bluuebunny/crossref_metadata_2025 huggingface dataset:
Exploring clinical competency of nursing students and related factors
Authors: Tran Thi Hang , Ton Nu Minh Duc , Nguyen Thi Anh Phuong , Tran Thi Nguyet
Published: April 2023

Introduction: The clinical competence of nursing students is a core factor in relation to professional standards and patient safety. Objectives: This study aims to determine the clinical competence of nursing students and related factors. Methodology: A descriptive cross-sectional study, combining quantitative and qualitative methods, was conducted on 306 nursing students who participated in clinical practice at the hospital. The research content consists of 3 parts: (1) General characteristics of the research objects; (2) The clinical competence of nursing students is assessed by the Clinical Competency Measurement Tool questionnaire consisting of 34 questions divided into 5 domains: Nursing process, Nursing skills, Nursing Leadership, Communication, Professional development; and (3) The influencing factors and propose
solutions to improve clinical competence. Results: The clinical competence of nursing students reached the average level with 3.47 ± 0.34/5 points; the Professional development ability got the highest score with 3.60 ± 0.45 points and the Nursing skill got the lowest score with 3.29 ± 0.44 points. There was a statistically significant relationship between the clinical competence of nursing students and the level of satisfaction with clinical practice (p<0.001); clinical practice learning method (p=0.001) and grade level (p<0.001). The results of the qualitative analysis show a more comprehensive view of the factors affecting the clinical competence of nursing students, including factors from individual students, factors related to clinical lecturers and the clinical practice environment. Conclusion: The clinical competence of nursing students reached the average
level. It is necessary to improve the level of clinical practice satisfaction as well as to find out appropriate strategies and learning methods for nursing students to enhance their clinical competence.
Key words: clinical competence, clinical practice, nursing students.
Flexible Monitoring, Diagnosis, and Therapy by Microneedles with Versatile Materials and Devices toward Multifunction Scope
Authors: Wang Shuo , Zhao Mengmeng , Yan Yibo , Li Peng , Huang Wei
Published: April 2023

Microneedles (MNs) have drawn rising attention owing to their merits of convenience, noninvasiveness, flexible applicability, painless microchannels with boosted metabolism, and precisely tailored multifunction control. MNs can be modified to serve as novel transdermal drug delivery, which conventionally confront with the penetration barrier caused by skin stratum corneum. The micrometer-sized needles create channels through stratum corneum, enabling efficient drug delivery to the dermis for gratifying efficacy. Then, incorporating photosensitizer or photothermal agents into MNs can conduct photodynamic or photothermal therapy, respectively. Besides, health monitoring and medical detection by MN sensors can extract information from skin interstitial fluid and other biochemical/electronic signals. Here, this review discloses a novel monitoring, diagnostic, and therapeutic pattern by MNs, with elaborate discussion about the classified formation of MNs together with various applications and inherent mechanism. Hereby, multifunction development and outlook from biomedical/nanotechnology/photoelectric/devices/informatics to multidisciplinary applications are provided. Programmable intelligent MNs enable logic encoding of diverse monitoring and treatment pathways to extract signals, optimize the therapy efficacy, real-time monitoring, remote control, and drug screening, and take instant treatment.
Ultrafast Two-Electron Orbital Swap in Li Initiated by Attosecond Pulses
Authors: Jiang Hui , Zhang Zhao-Han , Li Yang , Ruiz Camilo , He Feng
Published: April 2023

A universal mechanism of ultrafast 2-electron orbital swap is discovered through 2-photon sequential double ionization of Li. After a
1s
electron in Li is ionized by absorbing an extreme ultraviolet photon, the other 2 bound electrons located on 2 different shells have either parallel or antiparallel spin orientations. In the latter case, these 2 electrons are in the superposition of the singlet and triplet states with different energies, forming a quantum beat and giving rise to the 2-electron orbital swap with a period of several hundred attoseconds. The orbital swap mechanism can be used to manipulate the spin polarization of photoelectron pairs by conceiving the attosecond-pump attosecond-probe strategy and thus serves as a knob to control spin-resolved multielectron ultrafast dynamics.
Observation of Refractive Index Line Shape in Ultrafast XUV Transient Absorption Spectroscopy
Authors: Sun Mingze , Jiang Zixiang , Fu Yong , Jiang Yanrong , Hu Hongtao , Bai Chunyuan , Yue Zhongyao , Jiang Jiaming , Xie Hongqiang , Jin Cheng , Li Ruxin , Corkum P. B. , Villeneuve D. M. , Peng Peng
Published: April 2023

Ultrafast extreme ultraviolet (XUV) transient absorption spectroscopy measures the time- and frequency-dependent light losses after light–matter interactions. In the linear region, the matter response to an XUV light field is usually determined by the complex refractive index

n
˜

. The absorption signal is directly related to the imaginary part of

n
˜

, namely, the absorption index. The real part of

n
˜

refers to the real refractive index, which describes the chromatic dispersion of an optical material. However, the real refractive index information is usually not available in conventional absorption experiments. Here, we investigate the refractive index line shape in ultrafast XUV transient absorption spectroscopy by using a scheme that the XUV pulse traverses the target gas jet off-center. The jet has a density gradient in the direction perpendicular to the gas injection direction, which induces deflection on the XUV radiation. Our experimental and theoretical results show that the shape of the frequency-dependent XUV deflection spectra reproduces the refractive index line profile. A typical dispersive refractive index line shape is measured for a single-peak absorption; an additional shoulder structure appears for a doublet absorption. Moreover, the refractive index line shape is controlled by introducing a later-arrived near-infrared pulse to modify the phase of the XUV free induction decay, resulting in different XUV deflection spectra. The results promote our understanding of matter-induced absorption and deflection in ultrafast XUV spectroscopy.
Assessment of oxidative proteins modification level in infertile males ejaculate secondary to toxocara invasion
Authors: Vorontsova L. L. , Keniyz S. O. , Kovalenko V. A. , Mikheev O. O.
Published: April 2023

Our research was aimed at revealing level of proteins oxidative proteins modification in ejaculate homogenate for patients with reproductive damages secondary to toxocara invasion.

Materials and methods. The article contains the data of researching proteins oxidative modification in ejaculate and values for congenital immunity cells factors in 89 men being divided into five groups depending on spermatozoa DNA values and presence or lack of toxocara invasion.

The results. According to the data obtained it has been established that increasing OPM values with different intensity in ejaculate depending on peculiarities of damaging factor were being observed. Incomplete phagocytosis of the neutrophil link was determined, but only in the 3rd and 4th groups was noted a simultaneous decrease in HSTsp and HSTst, which indicated a deep damage to the bactericidal system of phagocytes, which also, apparently, occurs due to inhibition of the metabolism of immunocompetent cells and their bioenergetic resources by toxic products of life activity of helminths. It was in the groups with the most pronounced oxidative stress that DNA fragmentation of spermatozoa was also observed, which, in turn, was combined with the more severe forms of pathozoospermia in the 4th and 5th groups we discovered earlier.

Conclusions. Thus, insignificant OPM increasing in patients of the third and fourth groups (with antibodies against toxocara) is connected with defense formed by helminths against damaging factors, such as OPM and phagocytosis, that is confirmed by incomplete phagocytosis secondary to functional and metabolic reserve deficiency. High OPM values in patients of second and fifth groups indicate only influence of environment (industrial pollutants in air), many of them can be themselves booster to develop and maintain OPM high values.
Characteristics of the antiulcerogenic activity of cryopreserved placenta extract in acute and chronic lesions of the stomach
Authors: Hladkykh F. V. , Koshurba I. V. , Chyzh M. O.
Published: April 2023

To date, Ukraine has registered about 5 million patients with ulcer disease, and the market of drugs with proven anti-ulcer activity exceeds 500 names, but the problem of effective therapy is far from being solved. Cryoextract of the placenta attracted our attention as a new domestic biotechnological anti-ulcer agent.

The purpose of the study. To characterize the antiulcer activity of cryoextract of human placenta in acute and chronic ulcerogenesis.

Materials and methods. Studies of antiulcer activity were carried out on 56 male rats weighing 200–220 g in two stages: on the model of acute serotonin ulcerogenesis (28 rats) under the therapeutic and prophylactic regimen of placenta cryoextract and on the model of chronic acetic acid damage to the stomach (28 rats) under the therapeutic regimen application of the specified cryoextract.

Results and discussion. The study showed that the therapeutic and prophylactic injection of the cryoextract of the placenta shows a pronounced antiulcer activity in the model of serotonin-induced gastric damage, which was indicated by a decrease in the ulcer index by 13.7 times compared to a similar indicator in the group of untreated animals and was 0.3 and 4, respectively. 1. Hemorrhagic lesions of the gastric mucosa occurred twice as often against the background of placenta cryoextract administration, respectively, against the background of esomeprazole administration – in 57.1% of rats, and against the background of placenta cryoextract administration – in 28.6% of rats. It was established that the investigated cryoextract has a cytoprotective effect on the mucous membrane of the stomach against the background of acetic acid damage. This was indicated by a statistically significant (p<0.05) decrease in the ulcer index by 30.0% compared to the indicators of untreated animals.

Conclusions. It was established that the cryoextract of the human placenta has pronounced antiulcer activity both in acute and chronic experimental ulcerogenesis, which was indicated by a statistically significant decrease in erosions and ulcers of the gastric mucosa.
THROMBECTOMY IN PATIENTS WITH THROMBOSIS OF ARTERIO-VENOUS FISTULA: CASE SERIES
Authors: Vildanov S. R. , Nykonenko A. O. , Gubka V. O. , Rusanov I. V. , Budagov R. I.
Published: April 2023

Introduction. Thanks to the use of renal replacement therapy at the current stage of medical development, complete medical and social rehabilitation of patients with end-stage chronic renal failure is possible. The key to effective programmed hemodialysis is the formation of adequate permanent vascular access. Ensuring the optimal use and functioning of permanent vascular access is a multidisciplinary challenge. Currently, none of the known options for permanent vascular access is ideal, but a native arteriovenous fistula meets the requirements to a greater extent. Complications from vascular access for hemodialysis remain relevant for their solution today. The most common complication of vascular access is thrombosis of an arteriovenous fistula. For patients with chronic renal failure who are on programmed hemodialysis, thrombosis of vascular access is a great danger, which ultimately can lead to the impossibility of further hemodialysis and is the main reason for hospitalization and high mortality of this contingent of patients and needs an urgent solution.

Clinical cases. 17 patients underwent thrombectomy from the subcutaneous "fistula". vein of the upper extremity. The age of the patients was 49.0 (44.0-61.0) years. By gender, the studied patients were distributed as follows: women - 9 (53%), men - 8 (47%). Among 17 (100%) operated patients, 12 (71%) had late thrombosis, 5 (29%) had early thrombosis of arteriovenous fistula,. Of 5 (100%) patients with early thrombosis of arteriovenous fistula, thrombectomy was effective in 2 (40%) patients (p=0.038). On the other hand, in 12 (100%) patients with late thrombosis of arteriovenous fistula, thrombectomy was successful in only 4 (33%) cases.

Discussion. The cause of thrombosis of any vascular anastomosis is primarily hyperplasia of the neointima due to the proliferation of smooth muscle cells of the vascular wall. This circumstance leads to the formation of stenosis of the anastomosis, and as soon as the stenosis values become hemodynamically significant (> 50% of the lumen of the vessel), the risk of developing thrombosis increases by more than 50%. Thrombectomy alone is insufficient to restore patency of the permanent vascular access in the long term, as flow-limiting stenosis is present in more than 85% of cases.

Conclusions. Neointimal hyperplasia is the main cause of progressive stenosis of arteriovenous fistula and subsequent thrombosis. Thrombectomy is indicated for thrombosis of arteriovenous fistula in the early postoperative period (up to 30 days after arteriovenous fistula formation). Thrombectomy alone is not enough to restore the patency of the permanent vascular access in the long term, and the final treatment requires its reconstruction at an early stage or the creation of a new arteriovenous fistula.
Peculiarities of the course of the wound process in the treatment of acute paraproctitis in patients with type 2 diabetes
Authors: Milica M. M. , Soldusova V. V. , Postolenko M. D. , Milica K. M. , Chobey S. M.
Published: April 2023

Objective. The purpose of the study is to reveal the features of the course of the wound process in patients with acute paraproctitis against the background of diabetes.

Methods. An analysis of the results of treatment of acute parаproctitis against the background of diabetes in 328 patients over the past 5 years was carried out.

Results. It was found that these patients are define by extensive tissue damage in area and the predominance of gram-negative bacteria in mixed aerobic flora, the addition of anaerobic flora is the cause of the spread of the purulent process and deep destruction of tissues. The synergism of the aerobic-anaerobic flora in combination with the pathogenetic factors of diabetes contribute to a severe and prolonged course of the inflammatory process, as evidenced by the preservation of a high index of intoxication until the 14th day.

Conclusions. The criteria for choosing the method of operation are based on the localization of the abscess and the main purulent course, its relationship to the elements of the external anal sphincter, the nature of the scarring process in the area of internal diversion and the function of the closing apparatus of the rectum.
Comparative analysis of surgical treatment of patients with locally advanced tumors right anatomical segment of pancreas
Authors: Kopchak V. M. , Shkarban V. P. , Pererva L. O. , Savitskiy A. O. , Kropelnitskiy V. O. , Bylik I. I. , Maslyuk Yu. I. , Mihalchevskiy V. P.
Published: April 2023

Radical resection of pancreas during pancreatic ductal adenocarcinoma has a favorable effect on the patient’s survival rate and disease prognosis. Performance of PV/SMV resection during pancreatoduodenectomy is a routine procedure in leading pancreatology centers, increasing the possibility of R0 resections.

Purpose of the study. Is to evaluate the criteria for the diagnosis of vascular invasion at the preoperative stage, to increase the proportion of R0 resections.The study included 73 patients with locally advanced tumors of the pancreatic head operated on in the pancreatic surgery department from 2019 to 2022. The range of operations included: Whipple pancreatoduodenectomy, pyloruspreserving pancreatoduodenectomy, and total pancreatoduodenectomy.The presence or suspicion of vascular invasion, the size, and the stage of the tumor at the preoperative stage were diagnosed according to the data of MSCT, MRI, ultrasonography, and endosonography. Histological examination was carried out according to the recommendations of the College of American Pathologist 2020.

The first group 44 of patients who were made pancreatoduodenectomy with resection of PV/SMV, and the second group 29 patients without vascular resection. In the second group, a positive venous (smv) resection margin, R1 resection, had all patients according to the planned histological examination.During the preoperative examination, vascular invasion was suspected in 68,2% of patients in the first group, and 58.6% in the second, 58,6%, (x2 = 0,696; p = 0,403). According to histological examination, damage to the vascular wall was confirmed in 81,8% of cases among the first group of patients.A comparative assessment of the indicators of the two groups indicates that there is no significant difference in tumor size (t = 1,38; p = 0,085), localization, intraoperative data (operation time) (t = 1,19; p = 0,117), the number of postoperative complications (x2 = 0,027; p = 0,869), and the histological type of the tumor. Only intraoperative blood loss had statistical significant.

Conclusions. The nowaday preoperative examination protocol allows diagnosing vascular or suspicion of it with sufficient probability and planning adequate surgical intervention.

Performing a resection of PV/SMV during pancreaticoduodenectomy with pre- or intraoperative suspicion of vascular invasion allows to increase the number of R0 resections and improve the prognosis of the disease.
Dermatoplasty for decompensated forms of varicose veins and post-thrombotic syndrome
Authors: Rusin V. I. , Pavuk F. M. , Kovalchuk I. I. , Nosenko O. A.
Published: April 2023

Objective(s). In order to improve the results of the treatment of the decompensated form of varicose veins and post-thrombotic syndrome, taking into account the angiosomal theory and using VAC and Magott therapy of the recipient woundof the trophic ulcer, evaluate different methods of dermatoplasty depending on the depth and area of the lesion.

Methods. In the surgical clinic of the regional hospital named after A. Novak, 174 patients with chronic venous insufficiency (CVI) in the stage of lecompensation were under our observation. According to the etiology of the disease, there were 76 patients with varicose desease (VD) (group I), 98 patients with PTS (group II), while 27 patients with PTS had trophic ulcers on both lower extremities. With a trophic ulcer (TU) diameter of up to 10 cm in the I group of patients, 42.1% had the depth of the lesion of the IIst, and in the patients of the IIa group, the depth of the lesion was the IIIrd. was observed in 51.4% of cases. In the 1st group (76) patients, TU was cleaned with the help of VAC therapy in 32 patients, Magott therapy was used in 18 patients. TcpO2 was measured in the angiosomes of the anterior tibial artery (APA), posterior tibial artery (PTA), and peroneal artery (PA), as the corresponding arteries participate in the perfusion of the corresponding skin-muscle flaps

Results. Rejection (lysis) of the graft was observed in 5 (6.6%) patients of the 1st group, and only in patients with dermatoplasty using the vintage method. Graft lysis was observed in 4 (5.6%) patients of the IIa group, in two with the vintage method and in two with split graft transplantation. In the IIb group (both limbs affected), partial lysis of the transplanted perforated split graft was observed in three limbs (6%). No complications were observed when the tissue complex was transplanted freely.

Conclusions. Free flaps are units of tissue that can be transplanted from the donor site to the recipient wound while maintaining its blood supply. Pieces can be classified by the type of blood supply, their tissue composition, the method of transplantation, or the orientation of the vessels. The concept of angiosomes and venosomes explains the blood supply to the recipient wound necessary for the viability of the flap. Various monitoring methods are used to monitor patients after surgery, including assessment of physiological parameters and auxiliary methods (dopplerography, transcutaneous and epidermal oximetry). Factors affecting the viability of transplants after surgery include: thorough surgical intervention, adequate immobilization after surgery, prevention of infection, and adequate vascularization of the recipient wound.
HUBUNGAN SELF EFFICACY DAN DUKUNGAN SUAMI DENGAN PERILAKU MENDAPATKAN LAYANAN KONTRASEPSI MASA PANDEMI DI SUKORAME KEDIRI
Authors: Kristianti Shinta , Yanuarini Triatmi Andri , Novitasari Ratih
Published: April 2023

Pandemi Coronavirus menyebabkan adanya dampak terhadap kelangsungan pelayanan Kesehatan masyarakat, termasuk pelayanan kontrasepsi. Penelitian yang telah dilakukan ini ditujukan untuk mengetahui faktor yang memiliki hubungan dengan suatu perilaku akseptor mendapatkan layanan kontrasepsi. Pendekatan secara cross sectional dipakai dalam riset ini, dengan jumlah sampel sebanyak 122 responden diambil dengan teknik simple random, data yang telah dikumpulkan dilakukan analisis secara univariat, bivariat dan multivariat. Hasil penelitian menunjukkan adanya hubungan yang signifikan pada self efficacy dan dukungan suami pada perilaku akseptor dalam mendapatkan layanan kontrasepsi selama pasa pandemi Covid-19. Self efficacy dan dukungan suami merupakan faktor pencetus perilaku untuk tetap menggunakan kontrasepsi dengan baik untuk mencegah kehamilan di masa pandemi.
EFEKTIVITAS KONSUMSI DAUN UBI JALAR UNGU TERHADAP PENINGKATAN KADAR HEMOGLOBIN DARAH IBU HAMIL TRIMESTER PERTAMA
Authors: Agustkawati Nurlaila , Yuliastuti Luh Putu , Setianingsih Fitri
Published: April 2023

Salah satu penyebab kematian ibu tertinggi di Indonesia adalah disebabkan karena perdarahan yang secara tidak langsung di sebabkan oleh kondisi anemia ibu hamil. Kebutuhan zat besi pada ibu hamil akan semakin meningkat, akan tetapi pemberian tablet Fe kadang menimbulkan efek samping mual muntah bagi ibu hamil sehingga mengakibatkan ketidakpatuhan ibu hamil dalam mengkonsumsinya. Penelitian ini bertujuan untuk mengetahui efektifitas peningkatan Hb ibu hamil trimester pertama dengan mengkonsumsi daun ubi jalar. Metode penelitian ini menggunakan pra eksperimen dengan one group only pretest-posttest. Berdasarkan hasil anlisis uji t diperoleh nilai –thitung < ttabel (-11.19 < -2.262) dengan  nilai signifikan (0.000) < 0.05 yang artinya ada perbedaan kadar hemoglobin darah ibu hamil trismester pertama sebelum dan setelah mengkonsumsi daun ubi jalar ungu. Hal ini dapat diartikan bahwa mengkonsumsi daun ubi jalar ungu efektif dapat meningkatkan kadar hemoglobin darah ibu hamil trimester pertama. Dilihat dari nilai rata-rata N-Gain adalah 1.056 > 0.7 dapat disimpulkan bahwa konsumsi daun ubi jalar ungu untuk meningkatkan kadar hemoglobin darah ibu hamil memiliki kategori efektivitas yang tinggi. Berdasarkan analisis tersebut daun ubi jalar bisa dikonsumsi sehari-hari sebagai pendamping tablet Fe pada ibu hamil.
PERAN AKUPRESUR TERHADAP KADAR HAEMOGLOBIN REMAJA PUTRI DENGAN ANEMIA
Authors: Nyna Puspita Ningrum  , Setiawandari Setiawandari , Marliandiani Yefi
Published: April 2023

Remaja adalah aset bangsa, remaja putri yang mengalami anemia beresiko menjadi ibu hamil dengan anemia. Tingginya prevalensi anemia zat besi pada remaja putri di Indonesia memerlukan intervensi yang dilakukan secara kolaborasi. Intervensi yang telah dicanangkan pemerintah adalah pemberian tablet tambah darah 1 kali seminggu dan 1 kali sehari pada wanita usia subur yang mengalami menstruasi. Metode akupresur merupakan alternatif dalam upaya meningkatkan kadar haemoglobin remaja putri yang mengalami anemia. Selain meningkatkan kadar haemoglobin, juga bermanfaat dalam menjaga daya tahan tubuh. Tujuan dari penelitian ini adalah untuk menganalisis peran akupresur terhadap kadar haemoglobin pada remaja putri dengan anemia. Penelitian ini adalah penelitian true eksperimental design dengan menggunakan rancangan pre post test control group yang dilakukan pada remaja putri. Subyek dibagi menjadi 2 kelompok. Kelompok A dengan akupresur 1 kali sehari selama 15 menit, Kelompok B mendapatkan TTD 1 kali seminggu, selama 2 bulan. Sebelum dan sesudah intervensi dilakukan pengukuran kadar haemoglobin menggunakan Portable hemoglobinometer. Derajat Anemia dibedakan menjadi anemia ringan (hB 8 g/dl – hB 9.9 g/dl), anemia sedang (hB 6 g/dl – Hb 7.9 g/dl) dan anemia berat (hB < 6 g/dl). Pada penelitian ini hampir semua populasi memiliki kadar hB normal (> 10 mmHg) (86,1%) dan hanya 5 orang (13,8%) dengan anemia ringan. Setelah data terkumpul diketahui ρ>0.05 (distribusi data homogen), kemudian dilanjutkan analisis data menggunakan Uji T. Hasil analisis Uji T didapatkan nilai Sig.(2-tailed) = 0.606, maka disimpulkan tidak adanya perbedaan yang signifikan kadar Hb antara kelompok akupresur dan kelompok TTD
FAKTOR YANG MEMPENGARUHI ANEMIA PADA REMAJA PUTRI DI SMP 2 KABPATEN ROKAN HULU
Authors: Yanti Rifa , Yulda Desri
Published: April 2023

Remaja putri memiliki resiko sepuluh kali lebih besar untuk menderita anemia dibandingkan dengan remaja putra. Kurangnya kadar Hb dalam darah akan memberikan dampak lelah dan stres pada organ tubuh. Kehilangan asupan zat besi serta tidak ada penyerapan dan pembentukan sel darah merah yang sering terjadi pada masa pubertas. Penelitian ini bertujuan untuk mengetahui faktor yang mempengaruhi anemia pada remaja putri di SMP 2 Kabun Kabupaten Rokan Hulu. Sampel dalam penelitian ini adalah siswi kelas 7 dan kelas 8 SMP 2 Kabun Kabupaten Rokan Hulu Kabupaten Rokan Hulu yaitu sebanyak 92 orang dengan teknik pengambilan sampel total sampling dan uji statistik uji chi square. Hasil penelitian menunjukkan bahwa ada pengaruh yang signifikan antara pengetahuan (p value = 0,001), pola menstruasi (p value = 0,000) dan pola makan (p value = 0,038) dengan kejadian anemia pada remaja putri di SMP 2 Kabun. Saran peneliti kepada remaja putri agar selalu mengkonsumsi tablet tambah darah (TTD) dan makanan yang kaya zat besi untuk mencegah terjadinya anemia gizi besi.
Design and validation of a control for a BLDC motor to be applied on a solar water pump
Authors: Herrera-Velázquez Rene , Rodriguez-Mejia Jeovany Rafael , López-Mártine Alfonso , Araiza-Esquivel Ma. Auxiliadora
Published: April 2023

This paper presents the design and implementation of a speed control for BLDC motors; This is considered a high-capacity actuator mainly because of its operation, power, and control characteristics. BLDC motors require digital tools for good practices in position and speed control; as well as the power electronics for optimal performance. In order to take better advantage of the characteristics in this type of motor, a control strategy is presented that allows integrating the internet of things, to monitor and satisfy the needs when applied to a BLDC motor, which will also allow driving a submersible pump. Based on these characteristics, it will be possible to have a greater range of operation of the same, consequently, a better regulation of the speed, so that the desired water flow can be provided in the application of solar pumping systems. The results obtained validate the control designed for speed regulation in the system.
Are schools becoming more unequal? Insights from exploratory data mining of international large-scale assessment, TIMSS 2003-2019
Authors: Ali Farhan , Ow-Yeong Yook Kit , Tilley Jacqueline L.
Published: April 2023

The aim of this study was to examine how achievement varied within and between schools at different grade levels, its long-term trends within and across multiple countries. We used science achievement data from five cycles of Trends in International Mathematics and Science Study (TIMSS) from 2003 to 2019 involving nine countries from Asia, Europe, and the United States. Employing exploratory data mining methods of variance decomposition, correlation analysis, and Gaussian mixture modeling of data distributions, we found the following: First, between-school variances generally remained consistent across two decades, suggesting that inequality between schools has not increased over time. Second, between-school variances were relatively small for elementary grade level but increased at secondary grade level, though marginally even for countries with early between-school tracking. Third, higher-achieving schools tended to have more equal student achievement levels than lower-achieving schools, lending within-country support for the “virtuous” efficiency-equality trade-off. We further found that reduced equality within lower-achieving schools was associated with bimodality in achievement distribution. Overall, there is little evidence of inequality across schools changing over time. However, there may be evidence of increased inequalities associated with student subpopulations, particularly in lower-achieving schools, with implications on classroom instruction and school cohesion.
The Syntax of Quantifier Float in Standard Arabic
Authors:   Mutah University, Alsarayreh Atef
Published: April 2023

Quantified nominal phrases in standard Arabic display three word-order patterns: Q-DP, short-distance Q-float, and long-distance Q-float. The study investigates whether these patterns are derivationally related or whether they represent different structures. For the Q-DP pattern, the study shows that Q is a head that contains the DP as its complement. For Q-float constructions, the study reviews three major analyses including the stranding analysis, the adjunct analysis, and the labelling analysis, which all share the assumption that Q-float is derived by movement of the associate DP form a position within QP or near QP to its surface position. These previous analyses are shown to be empirically inadequate. Instead, Q-float is argued to be derived by base-generation of the nominal associate in its surface position rather than by NP-movement. Q in Q-float structures is argued to be an NP adjunct, albeit for universal quantifiers. Floating generalized quantifiers are better analyzed as arguments that might include the associate DP as a specifier.
Pengembangan Ekonomi Lokal Home Industry Keripik Tempe yang Ramah Lingkungan di Kampung Tematik Keripik Sanan Malang
Authors: Syah Putra Rulliannor
Published: April 2023

Munculnya kampung-kampung kota tematik ditengah permasalahan permukiman yang kompleks memiliki daya tarik tersendiri, bukan hanya menarik bagi wisatawan dari Kota Malang namun sampai ke luar Kota Malang. Awal mula munculnya Kampung Tematik Keripik Sanan adalah sejak tahun 1970-an,  Kampung Tematik Keripik Sanan merupakan kampung yang dikenal sebagai kawasan home industry tempe yang terletak di Kelurahan Purwantoro Kota Malang meliputi 412 industri rumah tangga dengan masing-masing terdiri dari 275 industri rumah tangga pengrajin tempe, 118 industri rumah tangga keripik tempe dan 19 industri rumah tangga tempe dan keripik tempe Usaha masyarakat yang dominan dan menjadi mata pencaharian pokok sebagian besar warga di Kampung ini adalah  produksi keripik dan tempe. Kampung Tematik Keripik Sanan menghasilkan produk tempe hingga 1,8 ton per hari. Sehingga, muncul berbagai tantangan terutama berkaitan dengan pengelolaan limbah hasil produksi tempe. Limbah yang dihasilkan adalah limbah cair kedelai dan minyak jelantah yang berasal dari proses perebusan dan proses penggorengan keripik tempe. Rata-rata limbah yang dihasilkan dari 100 kg kedelai adalah 455 liter dan limbah minyak jelantah yang dihasilkan dari 100 kg tempe untuk keripik tempe adalah 3 liter minyak jelantah. Penelitian ini bertujuan untuk pengembangan ekonomi lokal home industry keripik tempe yang ramah lingkungan serta mendukung pengembangan kampung yang berkelanjutan di Kampung Tematik Keripik Sanan. Metode pengumpulan data dilakukan dengan cara survei primer yakni melakukan pengamatan langsung dan wawancara. Analisis yang digunakan adalah deskriptif, Force Field Analysis (FFA) serta penyusunan strategi dengan akar tujuan. Hasil penelitian adalah strategi untuk mengembangkan ekonomi lokal home industry keripik tempe yang ramah lingkungan di Kampung Tematik Keripik Sanan Kota Malang.
Tsarist Counterintelligence in Faces.
Investigators for Especially Important Cases (1908–1915)
Authors: Zverev Vadim , Ivanov Victor
Published: April 2023

The results of many years of archival search and research work in the federal archives of Russia made it possible to find specific documents that canshed light on the unpublished pages of the personalized history of Russian counterintelligence. The purpose of the article is to reveal new facets of professional competence and previously unheard characteristics of outstanding counterintelligence officers and investigators of the Russian Empire. To implement the author's intention, the following methods of historical knowledge were used: actualization, retrospective, descriptive, biographical analysis, generalization of

independent characteristics, deduction, content analysis.

The achieved conclusions and deductions helped to get closer to a complete picture of the historical and psychological profile of the «cloak and dagger knights», who functioned mainly in the territory of the Privislinsky region (and later in the Active Army) before and during the First World War. The results of

the research conducted in this article can be used in research and teaching activities on the history of domestic state security agencies.
Caesar on the Factors of Success in the War
Authors: Demina Svetlana
Published: April 2023

This article investigates Caesar’s thoughts about the factors of victory in the war on the basis of his remarks in the «Commentaries on the Gallic War» and the «Commentaries on the Civil War». The influence of the gods, the impact of natural

phenomena, the fortune are the factors of the military success that do not depend on people. The knowledge (scientia), an experience (usus), the valour (virtus) and the spirit (animus, voluntas) of soldiers, as well as a skilful influence of the commander on it and his correct decisions are the factors that depend on people. Caesar does not attribute the activity of the gods to the important factors of victory. In his opinion, the

natural phenomena influence only the military operations at sea and near the river.

According to Caesar, the fortune (fortuna) is important enough, however, the behavior of soldiers and commander is decisive for victory. He describes the influence of fortune, knowledge, experience, valour and spirit of warriors, the decisions and ac-

tions of commander as the universal factors of success that are effective both in battles against barbarians and in conditions of civil war.
Statistical Evaluation of Style Dynamics: Lyrical Poems by V. Nabokov in the Mirror of Parts of Speech
Authors: Andreev Vadim
Published: April 2023

The article utilizes quantitative methods of analysis to obtain objective indices which make it possible to evaluate a separate text and the style of the author. The author applies the techniques of textometry (analysis of PoS ratio, type of

description, cumulative sum) in order to establish the degree of text stability /dynamics and stability / variability of individual style in general.

The database includes verse texts of Vladimir Nabokov created during different periods of creative activity. Poetry was an essential and inseparable part of his writing (as the writer and poet stated himself) which proves the non-accidental character of parameters of his poetic texts and their high relevance for the

study of his style. Only texts not less than 30 lines are included in the database in order to avoid fluctuations in frequency of linguistic elements and ensure comparability of the research material.

The use of Busemann and variability coefficients made it possible to define the ratio of verbal / nominal description in the texts, while analysis of cumulative sum – the ratio of nouns / verbs in the texts in dynamics (from the beginning to its end). The calculated power function provides precise approximation of the data.

The obtained results support the conclusion about the existence of hidden tendencies in the distribution of words of different parts of speech in Nabokov's text, about the growth of variability of their frequencies in the second period of Nabokov’s creative activity, as well as about steady strengthening of the tendency

of text verbality growth over the lifespan of the poet.
Electrical Losses in Primary Distribution Networks: Case in Holguin Province
Authors: Pérez Alvaro Laurencio , Maliuk Igor R. Pérez , Maliuk Olga Pérez
Published: April 2023

The electrical losses constitute an indicator of the technical state of the electrical networks, which can reach up to 70% of the total losses that occur in an electrical circuit. In this work, the calculation of the technical losses in 140 electrical distribution networks was carried out in the school belonging to the Holguín province in Cuba. The statistical calculation is performed in order to understand the electrical losses in primary distribution networks of the Holguín province. The method used by Empresa Eléctrica Holguín was acquired for power losses, which considered the number of customers, the maximum demand, and the length belonging to the circuit under study. The Buller equation was used to calculate energy losses, which relates the load and loss factors utilizing a coefficient  obtained by statistical considerations. The most affected municipalities were Sagua de Tánamo, Calixto García, and Cacocún, whose losses represented 45% of the total losses. On the other hand, the characteristic coefficient for local primary distribution networks was 0.27.
JSON Web Token Leakage Avoidance Using Token Split and Concatenate in RSA256
Authors: Malvin Malvin , Safitri Cutifa
Published: April 2023

This research aims to protect users from JWT (JSON Web Token) leakage, which is listed plainly in the Response Header in the web browser console. The risk of malicious attackers stealing the JWT is highly dangerous since the API (Application Programming Interface) will be within the control of malicious attackers, leading to identity theft and data abuse due to the JWT leakage. As a solution, this paper proposed a method in which the JWT bearer token will be split, separately encrypted by RSA256, and concatenated into a new unique token to limit attacker accessibility towards the JWT token. The benefit of this proposed method is envisaged to achieve a more secure web application for user data protection and security optimization. The idea of this method is to modify the bearer token by splitting, encrypting, and concatenating it to be a unique token. The product of the encryption process is an unrecognizable token in the form of letters and punctuation which attackers cannot manipulate. The encrypted code will be returned to the initial location in Response Header. After testing, it is proven that modifying the bearer token by splitting and concatenating provides more security to a web application.
STUDY OF ECG PARAMETERS FOR THE DIAGNOSIS OF LEFT VENTRICULAR HYPERTROPHY IN GERIATRICS PATIENTS
Authors: Manasa Chaluvadi , Madhavi M. , O. Mahesh Babu V. , Bheemase nachari M.
Published: April 2023

AIMS AND OBJECTIVES: 1. To correlate the relationship of ECG and Echocardiography for the diagnosis of left
ventricular hypertrophy 2. To nd out sensitivity and specicity of various electrocardiographic criteria. MATERIALS
AND METHODS: A hospital based cross sectional study, conducted in Anantapur Government Hospital over a time period of November 2021 to
June 2022. A total of 100 cases were studied. Relevant history and blood pressure readings were taken . All patients underwent 12 lead
Electocardiogram and echocardiogram. Eight ECG criteria were compared with echocardiogram for diagnosis of left ventricular hypertrophy.
RESULTS: Out of 100 patients, 54 (54%) had LVH on Echocardiogram. Sokolow Lyon criteria showed sensitivity of 77.78%, specicity of
60.87%, PPV of 70%, NPV of 70% and accuracy of 70%. Comparison of Combined or either one of Sokolow Lyon and Romhilt Estes point score
system on ECG with Echo for LVH showed sensitivity of 100%, specicity 60.87%, PPV 75%, NPV 100% and diagnostic accuracy of
82%. Combination or either one of the Sokolow Lyon and Romhilt Estes point score system CONCLUSION: for ECG diagnosis of LVH has a
very high sensitivity. Absence of either any of these criteria can be very well used to rule out the diagnosis LVH in resource limited settings.
COMPARISON OF CT VIRTUAL BRONCHOSCOPY WITH FIBRE OPTIC BRONCHOSCOPY IN THE EVALUATION OF ENDO-BRONCHIAL LESIONS
Authors: Deka Nabanita , Mubarak Unais , Agarwal S. , Khan Affan
Published: April 2023

Background: Virtual bronchoscopy is a noninvasive tool for assessing the airway. It can be used along with multiplanar
CT scan for better assessment of endobronchial tree. A lot of researches has been conducted in various parts of the world
weather CT bronchoscopy can replace actual exible beroptic bronchoscopy. We aimed to explore the utility of virtual bronchoscopy (VB) for
evaluation of tracheobronchial lesions and weather this can be helpful for pulmonologist for better assessment of airway while using real time
exible bronchoscopy. Our age group comprised of patients from 21 years to a maximum a Results : ge of 80 years with a mean age of 52.6 years.
VB was better in detecting external compression with a Kappa value of 0.68. VB had a moderate agreement with FOB to detect endoluminal
lesions with kappa value of 0.70. None of the mucosal changes detected by FOB was detected by VB. In detecting obstructive lesions VB
substantially agreed with FOB with a kappa value of 0.8. Moderate agreement was seen by VB in detecting both malignant and non-malignant
lesions vompared to FOB. Virtual bronchoscopy when used in conjunction with axial CT Conclusion: images can enhance diagnostic accuracy
of bronchial pathologies. VB cannot replace conventional bronchoscopy due to associated disadvantages such as the inability to perform a
biopsy, the inability to detect mucosal inltration, the relatively low specicity rate when compared to high sensitivity rates, and the inability to
offer real-time evaluation.
AN EVALUATION OF CLINICAL OUTCOMES AFTER ABDOMINAL MESH RECTOPEXY & DELORME'S PROCEDURE FOR RECTAL PROLAPSE AT TERTIARY HEALTH CARE CENTER
Authors: Jyothi Sasikanth Chandana , Ramachandra R. , Siva ramkrishna Valluru
Published: April 2023

Background: Rectal prolapse is protrusion of rectum through anal canal, and proccidentia ~ complete prolapse is the term
used when full thickness rectal wall prolapse . 30 patients presenting with Materials and methods: mass per rectum were
evaluated & diagnosed clinically as having rectal prolapse were included in the study. The recurrence rate for the abdominal mesh Results:
rectopexy is considered to be lower than Perineal Delorme's procedure. There was no recurrence in the rectopexy group. There was 1 recurrence
(10%) in Delorme's group. .Better outcomes achieved when treatment individualized to Conclusion: each patient. Abdominal rectopexy for
patients who can tolerate laparotomy & signicant constipation. .Delorme's considered in young patients with short prolapse but with acceptable
recurrence rate.
COMPARATIVE STUDY OF AUTOMATED CELL COUNTER HISTOGRAM AND PERIPHERAL BLOOD SMEAR IN DIAGNOSIS OF ANEMIA
Authors: Agarwal Ambika , Goel Narendra , Goel Seema
Published: April 2023

Introduction: Over the past few years, complete blood count, RBC histogram and peripheral blood smear have become
the important diagnostic tools to diagnose various haematological conditions. Major public health burden worldwide is
anemia with high prevalence in developing countries like India1. Red blood cell and histogram are indispensable for diagnosis and management
of anemia2. The major diagnostic tool for work up of most commercial laboratories has been analysing the blood lm routinely. The aim AIM:
of the study is to compare between automated cell counter histogram and peripheral smear nding in diagnosis of anemia. Material and
method: A prospective comparative study of RBC histogram and peripheral blood smear in diagnosis of anemia was done on 100 patients of
HB<14gm%, over six month time span (June2022-Nov2022) in the central laboratory of Saraswathi Institute of Medical Sciences Hapur, (UP)
India. This study included all the age groups. All cases of anemia that have undergone blood transfusion is excluded from this study. In Result:
our study it was observed that on peripheral blood smear, the most common type of anemia was microcytic hypochromic anemia followed by
normocytic normochromic anemia, when we compared with automated cell counter generated histogram most common type of anemia was
normocytic normochromic followed by microcytic hypochromic anemia. In our study female population were more than males. The mean age
was(32.4yr). Automated cell counters generated CBC histograms and peripheral blood smears Conclusion: plays a major role in diagnosis and
management of red cell disorder. Our study observed that histogram patterns and their conrmation by peripheral blood smear along with clinical
history gives accurate and conrmed diagnosis of various haematogical conditions. There is much improvement in accuracy and precision
3
reducing the subjective errors .
MANAGEMENT OF BULBAR URETHRAL ISCHEMIC NECROSIS FOLLOWING PELVIC FRACTURE URETHRAL INJURY REPAIR-A SINGLE CENTER EXPERIENCE
Authors: Barupathi Laxman , Babu Vedala Suresh , Sumanth Thota Krishna , Chary KSN
Published: April 2023

Aims & Objectives:About 10% of pelvic fracture injuries are associated with urethral injury. Most of the urethral injuries
are successfully repaired by progressive perineal anastomotic urethroplasty. Bulbar urethral ischemic necrosis is a
devastating complication seen in 5-8% of failed PFUI repairs. The objective of this study is to present our experience in management of a bulbar
urethral ischemic necrosis developed following PFUI repair. Materials & methods:This is a retrospective study done at our institute, which
includes data from feb,2003 to feb,2021. This is a descriptive statical analysis. Total 18 patients were managed using various surgical approaches
and followed. Out of 18 patients seven patients underwent staged urethroplasty with Results & Observations: success rate of 85.71%,four
underwent pedicled preputial skin tube urethroplasty with success rate of 75%,one underwent non transecting augmented urethroplasty with
success rate of 100%,three underwent augmented perineal urethrostomy, two underwent continent diversion procedures, one underwent
augmented perineal skin tube perineal urethrostomy. Bulbar urethral ischemic necrosi Conclusions: s following PFUI repair although uncommon,
is a devastating complication which can be salvaged by various surgical techniques. Type of procedure chosen depends on individual patient and
outcomes vary for each type of procedure