bluuebunny/crossref_metadata_2025 huggingface dataset:
Romanian Registry of Hypertrophic Cardiomyopathy – overview of general characteristics and therapeutic choices at a national level
Authors: Ionilă Paula , Jurcuţ Ruxandra , Ferariu Nicoleta , Roşca Monica , Chivulescu Monica , Mursă Adriana , Militaru Sebastian , Ionescu Alin A. , Căldăraru Cristina , Fruntelată Ana G. , Goanţă Silvia F. , Crişan Simina , Ionac Adina , Avram Ana-Maria , Frigy Attila , Sascău Radu , Arsenescu-Georgescu Cătălina , Coman Ioan M. , Popescu Bogdan A. , Ginghină Carmen , Apetrei Eduard
Published: May 2018

Introduction. Hypertrophic cardiomyopathy (HCM) is a disease with increased left ventricular (LV) wall thickness not solely explained by abnormal loading conditions, with great heterogeneity regarding clinical expression and prognosis. The aim of the present study was to collect data on HCM patients from different centres across the country, in order to assess the general characteristics and therapeutic choices in this population.

Methods. Between December 2014 and April 2017, 210 patients from 11 Romanian Cardiology centres were enrolled in the National Registry of HCM. All patients had to fulfil the diagnosis criteria for HCM according to the European Society of Cardiology guidelines. Clinical, electrocardiographic, imaging and therapeutic characteristics were included in a predesigned online file.

Results. Median age at enrolment was 55 ± 15 years with male predominance (60%). 43.6% of the patients had obstructive HCM, 50% non-obstructive HCM, while 6.4% had an apical pattern. Maximal wall thickness was 20.3 ± 4.8 mm (limits 15-37 mm) while LV ejection fraction was 60 ± 8%. Heart failure symptoms dominated the clinical picture, mainly NYHA functional class II (51.4%). Most frequent arrhythmias were atrial fibrillation (28.1%) and non-sustained ventricular tachycardia (19.9%). Mean sudden cardiac death risk score (SCD-RS) was 3.0 ± 2.3%, with 10.4% of the patients with high risk of SCD. However, only 5.7% received an ICD. Patients were mainly treated with beta-blockers (72.9%), diuretics (28.1%) and oral anticoagulants (28.6%). Invasive treatment of LVOT obstruction was performed in a small number of patients: 22 received myomectomy and 13 septal ablation. Cardiac magnetic resonance was reported in only 14 patients (6.6%).

Conclusions. The Romanian registry of HCM illustrates patient characteristics at a national level as well as the gaps in management which need improvement – accessibility to high-end diagnostic tests and invasive methods of treatment.
Out of Borders for Radical Gynecologic Surgery
Authors: Brătilă P. , Brătilă E.
Published: May 2018

Advances in several medical disciplines have resulted in greatly improved outcome and reduced morbidity and mortality in the management of complex gynecologic tumors. Early reports of central pelvic exenteration were discouraging and associated with high mortality (28%) and major complications (100%). Preoperative medical assessment, expert anesthesia, and postoperative intensive care have reduced perioperative mortality to less than 5%. For patients with recurrent cervical and endometrial cancer, who already had surgery, and for a minority of primary or recurrent sarcomas without distance metastases, the contemporaneous surgery offers a chance by bone extended resections.
Congenital Fibrosarcoma – Case Presentation
Authors: Dobre L. , Vreme C. , Chirițoiu A. , Dorobanțu G.I. , Ionescu N.S. , Vlad C.
Published: May 2018

Introduction. Congenital fibrosarcoma is a rare soft tissue neoplasm, distal extremities being more commonly involved. This tumor has a rapid growth and extensive local invasion, but metastasis is rare. It is usually observed in children younger than two years old and is present at birth in up to 30% of the cases. Purpose. Evaluation of the methods of diagnosis and treatment in a case of a newborn known from intrauterine life, with a large tumor of the right arm. Materials and methods. We present the case of a 1-day-old patient, who was transferred from maternity in our clinics with the following diagnostics: large tumor of the right thoracic member, cardiac insufficiency, prematurity, severe respiratory distress. The tumor was visible at ultrasonography from intrauterine life, and the evolution was the increase in volume with necrosis areas and hair presence on its surface. After imagistic investigation, taking into account the tumoral extension with neurovascular involvement, without the possibility of a tumoral resection, but also the imminent danger of spontaneous rupture, we decided to perform a shoulder disarticulation without a biopsy in advance. Results. Postoperative evolution and the treatment of the cardiac insufficiency were good under antibiotics. The histopathological results advocate for the diagnosis of congenital fibrosarcoma, also confirmed by immunohistochemical tests. Conclusions. Soft tissue tumors are very rare and they need a multidisciplinary evaluation for the establishment of the right treatment. Imagistic and laboratory investigations can guide the diagnosis and the therapeutical conduct. The certainty diagnosis is established only after the histopathological results.
Reconstruction in Malignant Tumors of the Calf After Tumoral Resection in Children
Authors: Vlad C. , Dobre L. , Hamei Ș.A. , Gavriliu Ş.
Published: May 2018

Purpose. Evaluation of reconstructive procedures after oncologic resection of malignant bone tumors of the calf in children. Materials and methods. The study contains 4 patients with ages between 5 and 18 years, 2 of the cases being diagnosed with osteosarcoma, respectively 2 with Ewing sarcoma of the tibia. In 3 of the cases, the surgical treatment consisted of en bloc tumoral resection and reconstruction with metal acrylic spacer and, in the 4th case, the tumoral resection was followed by endoprosthetic replacement. In all cases, the surgical treatment was preceded by biopsy and chemotherapy. Results. In 3 of the patients we used a gastrocnemius flap and one patient needed a negative pressure dressing for 11 days after surgery. The follow-up varied between 8 and 17 months after surgery. The patient who underwent endoprosthetic replacement was immobilized in a mobile orthosis and partial weight bearing at 2 weeks PO. The patient who underwent endoprosthetic replacement needed a surgical revision at 10 months PO consisting in the reinsertion of a locking screw of the patellar tendon fixation device. 2 of the presented cases are waiting for replacement of the metal acrylic spacer with a definitive reconstruction procedure, 1 case is proposed for amputation. Conclusions. Malignant bone tumors of the calf in children represent a pathology with high complexity giving the possible complications that can occur, a redoubtable risk being implant loss due to lack of coverage. The discussion remains open regarding the right time for definitive surgical procedure with modular endoprosthesis in children, and other reconstructive techniques available in these cases.
The Role of Imagistics in the Diagnosis of Chondrosarcomas
Authors: Marinescu A.N. , Nicula A.I. , Bratu M.A. , Iana G.
Published: May 2018

Chondrosarcomas are malignant cartilaginous tumors, with many histological subtypes and three grades based on cellularity. They are the second most common primary malignant tumors of the bone. From the histopathologically proved clinical cases, we are reviewing the imaging semiology - size, type of calcifications, cortical breach, endosteal scalloping, permeative or moth eaten bone appearance, and revealing other differentiation elements like location, age, and pain. A special point is the frequent difficulty in distinguishing between enchondromas and low grade conventional chondrosarcomas - as the lesions are very similar both histologically and radiographically. The radiologist should point the area to aim on the biopsy - at areas that may harbor foci of high-grade tumor, such as the ones of endosteal scalloping, soft-tissue components, or diffusely enhancing areas with minimal mineralization. It is known that with cartilaginous tumors, histopathologic examination of the biopsy specimen alone does not permit an accurate classification of the tumor. We emphasized the role of imaging in positive and differential diagnosis, management, and therapy of these bone tumors.
Limb Salvage and Major Reconstruction Surgery for Patients with Malignant Bone Tumors
Authors: Dragosloveanu Ș. , Dragosloveanu C. , Cotor D. , Creţu B. , Stoica C. I.
Published: May 2018

Introduction. Osteosarcoma and chondrosarcoma are the most common bone neoplasms. The most frequent localization of the osteosarcomas is the lower extremity around the knee and the pelvis and proximal femur for chondrosarcomas. In such cases, the amputation is a common procedure but the limb salvage surgery has become more popular due to the development of chemotherapy and improved diagnostic techniques. Methods. In the present study, the authors performed a retrospective study of patients diagnosed with osteosarcoma and chondrosarcoma around the knee and hip joint, treated with resection and reconstruction surgery. We evaluated the patients preoperative and postoperative using MRI and scintigraphy. The preoperative planning was made using Cedara I-View. Follow-up was between 1 and 4 years. Patients. We included 2 patients with chondrosarcoma and 4 patients with other types of sarcomas. All tumors were localized in the lower limb area except for one case, which presented a fast growing fibroblastic sarcoma in the supraspinatus fossa. Using MRI, the tumors were staged Enneking IIa and IIb. Patients with tumor infiltration of nerves or vessels, massive soft tissue infiltration, or pathologic bone fractures were excluded from our study. All the cases included were diagnosed based on incisional biopsy. Results. We recorded difficulties encountered in resection of the tumor, matching the preoperative planning with the intraoperative findings, rate of recurrence and soft tissue management. Our paper followed our results using GMRS type implants or straight reconstruction in the upper limb. Only one patient presented with lumbar metastatic disease after osteosarcoma after 2 years. Conclusion. Reconstructive surgery seems a good choice for careful selected patients. This type of surgery is demanding and experience is needed. We believe that a longer follow-up is needed for young patients to better evaluate the implant stability for mid-to long term.
Radiotherapy in Osteosarcomas
Authors: Mitrică R. , Şerbănescu L. , Trifănescu O.
Published: May 2018

Osteosarcoma represents a rare primary tumor of the bone, but it ranks 5th among children and adolescents. When diagnosed, many patients already have a disseminated disease at subclinical level. Current treatment includes surgery and chemotherapy. Radiotherapy is not commonly indicated, especially given the radioresistant characteristic of this type of cancer and it is usually administered for residual disease after surgery, inoperable tumors or in palliation, such as whole lung irradiation. The purpose of this paper was to identify the real contribution of radiotherapy in osteosarcomas, with solutions to improve local control and survival. We reviewed clinical studies, starting with the period before chemotherapy, in order to identify treatment techniques related criteria that may influence local control, survival, and secondary toxicity. Modern radiotherapy techniques are outlined with their dosimetric advantages. Following the 1990s, the combination between proper surgery and chemotherapy has eliminated the need for pre-operative radiotherapy. Most clinical studies have used adjuvant radiotherapy for patients with positive resection margins, with good results but hard to dissociate from those of the concurrently administered chemotherapy. Proton therapy is frequently indicated for these patients, due to the healthy tissue sparing characteristics. Studies have pointed out the correlation between radiotherapy response and tumor size, total administered dose, chemo sensitivity. Whole lung irradiation for patients with lung metastases is inferior to chemotherapy. Radiotherapy associated complications include joint fibrosis with reduced functional capabilities, bone fracture, allograft loss and carcinogenic risk. Currently, radiotherapy is not the first choice when treating osteosarcomas, but new evidence is emerging for combining modern techniques, such as proton therapy with surgery and chemotherapy for patients with incomplete resections or inoperable tumors.
Comparison In The Oral Status Among 123 Smoking And Non-Smoking Premenopausal And Menopausal Patients
Authors: Lescai I. , Lescai D. , Cîrstoiu M.
Published: May 2018

A cohort of 123 patients was split into two main categories, premenopausal and menopausal. Each of the two was also split in smoking and non-smoking. The objective of the study was to find whether there is a difference between smoking and non-smoking, menopausal, and premenopausal patients. Each patient had the oral status stated on the radiological findings for missing teeth, root canal treatments and bone resorption greater than 5 mm. In total, there were 59 premenopausal patients (35 non-smoking and 24 smoking) and 63 menopausal patients (39 non-smoking and 24 smoking). Non-smoking menopausal patients had 273 missing teeth, 212 root canal treatments and 163 bone resorptions greater than 5 mm. In contrast, the smoking menopausal patients had 258 missing teeth, 70 root canal treatments, and 187 bone resorptions greater than 5 mm. The premenopausal non-smoking patients had 128 missing teeth, 139 root canal treatments and 82 bone resorptions greater than 5 mm. In contrast, premenopausal smoking patients had 111 missing teeth, 100 root canal treatments and 144 bone resorptions greater than 5 mm. As a general conclusion, premenopausal patients lost 3.65 teeth, had 3.97 root canal patients and 2.34 bone resorptions in the non-smoking group compared to 4.62 missing teeth, 4.16 root canal treatments and 6 bone resorptions for each one in the smoking group. The menopausal nonsmoking group had 7 missing teeth, 5.43 root canal treatments and 4.17 bone resorptions for every patient compared to 10.75 missing teeth, 2.91 root canal treatments and 7.79 bone resorptions for every patient in the menopausal smoking group.
Post-Operative Complications in Tram Flap Breast Reconstruction after Mastectomy
Authors: Parasca S.V. , Iosif B.F. , Costeschi A. , Popescu O. , Roznovanu M.
Published: May 2018

Introduction. Breast cancer is the main cause of mortality for neoplastic diseases in women worldwide. Since the incidence is increasing every year, the need for reconstructive techniques increases and autologous tissue reconstruction procedures are also gaining ground over the more popular expander/ implant techniques. A hypertensive and obese patient is admitted by SCUCPRA’s Chronic Diseases Service, with a postmastectomy scar on the left breast, with normal aspect. A TRAM Flap is performed through an oblique tunnel for transposing the tissue over the defect. The abdominal defect was covered with polypropylene mesh. Three days post-operatory, the patient presented an umbilical necrotic scar of 6/ 3 cm and a 4/ 3 cm necrotic scar in the medial zone of the TRAM Flap. Materials and method. Four days post-operatory, the patient presented a 10/ 5 cm brown-black colored dehiscent umbilical scar and 2 dehiscent areas of 4/ 1 cm and 5/ 1 cm inferior and superior, on the TRAM Flap. Excisional debridement of the ulceration was performed, and the abdominal defect was covered with a split-thickness skin graft. The TRAM Flap was also debrided and immediate suture was performed. Conclusions and results. Necrosis is an important complication that can occur both at the abdominal level, as well as on the TRAM Flap, after a breast reconstruction, affecting both the general state of the patient and the long-term results of the reconstructive method.
Outcomes and Treatment of Malignant Tumors of Long Bones
Authors: Stan G. , Orban H. , Gheorghiu N. , Drăguşanu M.
Published: May 2018

Introduction. With the advances in chemotherapy, the life expectancy of patients with malignant tumors of bones begins to rise and creates the opportunity for a more conservative treatment of such cases. The main complications after using reconstruction with bone graft are represented by mechanical failure, due to the lack of strong fixation, or biological failure of graft integration. Infection is another complication, patients being usually immunosuppressed. The aim of this study was to investigate a retrospective single center experience of surgically treated malignant bone tumors of long bones, respectively oncological, surgical, and functional outcome differences after biological reconstruction. Materials and methods. Between 2007 and 2017, we conducted a retrospective study, with patients from Elias Orthopaedic Department. 70 patients with malignant tumors were treated. Only in 20 cases, resection-reconstruction was possible. Results. Survival rate at 8-year follow up was 35%. Mechanical failure rate was 20%, graft resorption rate was 25%, and infection rate was 15%. Discussion. Primary malignant tumors of bones are very rare, less than 1% of cancer cases, and yet there is no strict rule for treating these patients in specialized centers. Because of the small sample of patients, the heterogeneity of reconstruction methods and multiple types of grafts, this study also had some limitations. The mechanical or biological complication rate is higher in resectionreconstruction cases. Non-unions, fractures and infections are the most common complications.
The Aneurysmal Bone Cyst - A Case Report
Authors: Petrescu I. , Oproiu A.M. , Tudorache C. , Mitcan A.
Published: May 2018

Introduction. The aneurysmal bone cyst is a benign bone tumor with a low incidence. Its presence within the bone of the hand is quite unusual. When it comes to its evolution, it is known to be an aggressive tumor with a progressive weakening of the bone structure. Objective. This case report aimed to present the importance of keeping the hand function intact for patients who are usually in their first decades of life. As a reconstruction method, a radical surgical approach and grafting are both mandatory for the unit to have the mobility unaltered. Material and methods. It is a case of a 15-year-old male with a giant aneurysmal bone cyst of the fifth metacarpal bone of the left hand. This tumor was surgically removed and the entire bone was rebuilt with an autologous bone graft from the iliac crest. The articular surface was preserved for the distal joint (the head of the metacarpal bone was spared). Results. The surgical procedure concluding the resection and immediate grafting reestablished the function of the hand with no infirmity, and the results for the past 7 years after surgery kept being negative for relapse and the patient had great mobility within the segment. Conclusions: The proper and correct surgical treatment of giant aneurysmal bone cyst located on the fifth metacarpal bone is the mandatory resection of the entire tumor for the high risk of pathological bone fracture with a severe impact on the mobility of the hand.
The Therapeutic Approach of Soft – Tissue Sarcomas. A 12 Cases Analysis
Authors: Georgeanu V. , Atasiei T. , Gartonea D. , Shazam B. , Goleşteanu G. , Cristea Şt.
Published: May 2018

Introduction. Soft Tissue Sarcomas (STS) is a group of rare malignant tumors with mesenchymal tissue origin. At present, over 50 histopathological types with typical chromosome changes are described. Treatment is multidisciplinary, centered on the surgical approach. Method. Between 2014 and 2016, 12 STS cases were treated in our clinic: 3 liposarcomas, 2 synovial sarcomas, 1 angiosarcoma, 2 rhabdomyosarcomas, 2 myxofibrosarcomas, 1 fibroblast sarcoma and 1 clear cell sarcoma. With the exception of angiosarcoma that benefited only from chemotherapy, the other cases were surgically approached, followed by radiotherapy in 7 cases, and chemotherapy in one case. Results. Patient follow-up was for a minimum of 2 years. In 3 cases (fibroblast sarcoma, clear-cell sarcoma, synovial sarcoma), a local recurrence occurred between 3 and 9 months. In 2 cases (fibroblastic sarcoma, synovial sarcoma), pulmonary metastases occurred between 6 and 18 months and the patients died at 8 months and 2 years respectively. The rest of the cases were clinically and imagistically assessed (local MRI, lung CT) at 6 months for at least 2 years and showed no signs of local recurrence or metastasis. Conclusions. The evolution of STS depends on the histological type and to the stage of diagnosis (local extension, degree of differentiation and presence of metastases). Therapeutic approach should be centered on an accurate resection, within the limits of oncological safety even with re-resection. Postoperative radiotherapy is used in most of the cases, and chemotherapy is reserved for special cases with unfavorable local evolution or metastasis.
Optimization of Welding Process using a Genetic Algorithm
Authors: Élesztős Pavel , Jančo Roland , Voštiar Vladimír
Published: May 2018

Welding is a complex technological process in which local heating takes place up to the melting point of the connecting and the additional material. Phase and crystallization processes are a strong non-linear function of the cooling rate. This non-linear function multiplies the complexity of the numerical simulation and optimization of the welding process. Lately, optimization with genetic algorithm has become the trend to optimize systems that behave in a non-linear manner and contain a number of local extremes. Genetic algorithm is therefore a method by which we seek an absolute extreme. It is a method which seeks a solution to near absolute extreme. In this paper the use of the genetic algorithm for welding process optimization is described.
Simulation of Worm-Like Machine
Authors: Kelemen Michal , Gmiterko Alexander , Hroncová Darina
Published: May 2018

The paper deals with bristled in-pipe machine simulation. Simulation model is developed and experimentally identified properties are added into the model to achieve high coincidence of the model with real machine. Simulation gives the answers to some selected problems.
The Use of Optical Methods in the Analysis of the Areas with Stress Concentration
Authors: Pástor Miroslav , Frankovský Peter , Hagara Martin , Lengvarský Pavol
Published: May 2018

Anchoring parts of technical systems are often damaged due to the heavy forces acting on these systems during their operation. For that reason, various modifications are suggested and created on the anchoring screws, which should help to reduce the mechanical stress values in a place of the first load-bearing thread of a female screw. For the determination of stress fields on the surface of a plane model of a threaded joint, two non-contact optical methods were used – conventional transmission photoelasticimetry and modern digital image correlation.
Enhanced Audio Steganografi dengan Algoritma Advanced Encryption Standard untuk Pengamanan Data pada File Audio
Authors: Peling Ida Bagus Adisimakrisna , Sastra Nyoman Putra
Published: May 2018

Ease of accessing and delivering information makes the Internet more and more needed. But the ease also provides greater opportunities for leaking of information that is confidential. To handle the security of information exchange that is confidential then developed the method of data security on audio using AES (Advanced Encryption Standard) and EAS (Enhanced Audio Steganography) algorithm.
From the research results can be concluded by using AES method as cryptography and EAS as steganography, audio file quality can be said good because of the overall test scenario conducted the lowest SNR value obtained is 49.33dB while the highest SNR value is 51.10dB.
Rancang Bangun Sensor Jarak sebagai Alat Bantu Memarkir Mobil berbasis Mikrokontroler Arduino Uno
Authors: Henriques Pedro Paulo De J. Costa , Agung I. G. A. P Raka , Jasa Lie
Published: May 2018

Abstract — Cars are a transportation mode that is widely used in society. Every year in Indonesia and other countries experience a continuous increase in the number of cars. The intensity of cars especially in parking areas often become a challenge for drivers to park cars and increases the risk of a crash. This research aims to design and build a distance sensor device that helps to park cars based on Arduino Uno microcontroller which is hoped to help decrease the risk of cars crashing to another car or object. This device will will produce three types of input that will inform the driver on the distance detected, between the car and another object. The first output is in text form displayed on an LCD screen, then the second output is a buzz produced by a buzzer and the third output is produced by a speaker which produces sound of audio recordings voicing the distance detected by the sensor.
STUDI ANALISIS GOVERNOR SEBAGAI LOAD FREQUENCY CONTROL PADA PLTG MENGGUNAKAN FUZZY LOGIC CONTROLLER
Authors: Aryanata Gusti Made Ngurah Christy , Suweden I Nengah , Mataram I Made
Published: May 2018

A good electrical power system is a system that can serve the load in a sustainable and stable voltage and frequency. Changes in frequency occur due to the demand of loads that change from time to time. The frequency setting of the PLTG power system depends on the active power charge in the system. This active power setting is done by adjusting the magnitude of the generator drive coupling. The frequency setting is done by increasing and decreasing the amount of primary energy (fuel) and carried on the governor. Simulation in governor analysis study as load frequency control at PLTG using fuzzy logic controller is done by giving four types of cultivation that is 0,1 pu, 0,2pu, 0,3 pu and 0,4 pu. The simulation is done to compare the dynamic frequency response output and the resulting stability time using fuzzy logic controller with PI controller. Based on the results of comparative analysis conducted to prove that governor as load frequency control using fuzzy logic control is better than using PI controller. This can be seen from the output response frequency and time stability.
ANALISIS ALIRAN DARAH DALAM PEMBULUH ARTERI MENGGUNAKAN PERSAMAAN NAVIER-STOKES DAN METODE LATTICE-BOLTZMANN
Authors: HUDOARMA FATHURAHMAN MA’RUF , GUNAWAN P. H. , ROHMAWATI ANIQ A.
Published: May 2018

This simulation was performed to analyze arterial blood flow using Navier-Stokes equations and LatticeBoltzmann method with Bhatnagar-Gross-Krook approach to obtain an explicit form of the LatticeBoltzmann Bhatnagar-Gross-Krook equations. Then by adding some cases of plaque on simulation domain, changes in arterial blood flow pressure can be analyzed. The area and shape of the plaque cause narrowing the artery vessels that affect the pressure and rate of blood flow dynamically. The pressure of blood flow without plaque is stable ranged from 17 to 19 Pa. While in the vessels with plaque, blood flow pressure increased significantly up to 35.145 Pa.
PENERAPAN KONSEP TEORI PERMAINAN (GAME THEORY) DALAM PEMILIHAN STRATEGI KAMPANYE POLITIK (Studi Kasus : Strategi Pemenangan Pemilukada DKI Jakarta Tahun 201
Authors: SAIFUDDIN AHMAD , TASTRAWATI NI KETUT TARI , SARI KARTIKA
Published: May 2018

In Game Theory, generally discusses the zero sum games and non-zero sum games. Both of these studies applied in solving problems predicting the chosen decision based capabilities (pay off). In a case study of the preparation and delivery of the election in Jakarta through the application of the concept of the non-zero sum game obtained by the conclutions that AHY – SM and AB – SU has five same optimum strategies: capture East Jakarta voters, women voters, 20 -29 years old voters, graduated from high school voters, and the Javaness community. While BTP – DSH only different in maximizing strategy of capturing men voters and West Jakarta voters.
Densidade de plantio no crescimento e produção de plátano cv. D’Angola na Chapada do Apodi
Authors: Prata Rômulo Costa , Silva Jaeveson Da , Lima Yuri Bezerra de , Anchieta Otacílio Filho Alves , Dantas Renata De Paiva , Lima Marcelo Bezerra
Published: May 2018

O trabalho foi realizado no município de Limoeiro do Norte, Ceará, região de Chapada do Apodi, com o objetivo de avaliar diferentes densidades populacionais de bananeira Plátano na produção e características comerciais dos frutos. No delineamento experimental em blocos casualizados com quatro repetições comparou-se as densidades populacionais de 4.166, 3.125, 2.777 e 2.500 plantas por hectare, em que se manteve distância entre fileiras de 2,0 m e variou as distâncias entre plantas dentro das fileiras, respectivamente, em 1,2 m, 1,4 m, 1,6 m, 1,8 m e 2,0 m, e a densidade testemunha, no espaçamento de 3,0 m x 3,0 m, com 1.111 plantas por hectare. As parcelas tiveram seis plantas úteis, com a cultivar D’Angola (AAB). Avaliou-se, na colheita, a altura da planta, o diâmetro do pseudocaule, o número de folhas vivas, a massa fresca do cacho, o número de pencas e o número de frutos e, na segunda penca, a massa e o número de frutos e, nos frutos, a massa unitária, o comprimento e o perímetro. A maior densidade populacional de plantas propiciou a maior produtividade, com incremento de 263%, sem alterar características comerciais dos frutos.
Pengaruh Tepung Azolla microphylla Terfermentasi dalam Pakan terhadap Penggunaan Protein pada Ayam Kampung Persilangan
Authors: Melita S. N. , Muryani R. , Mangisah I.
Published: May 2018

Penelitian bertujuan untuk mengkaji pengaruh fermentasi tepung Azolla microphylla dalam pakan terhadap penggunaan protein ayam kampung persilangan. Materi  penelitian adalah 80 ekor anak ayam kampung persilangan (ayam kampung dan ayam ras tipe petelur) umur 5 minggu dengan bobot rata-rata 469,80 ± 38 g (CV = 3,33%). Penelitian menggunakan Rancangan Acak Lengkap (RAL) yang terdiri dari 4 perlakuan dengan 4 ulangan dan  tiap ulangan terdiri dari 5 ekor. Perlakuan yang diuji sebagai berikut: T0 (Pakan tanpa tepung Azolla microphylla terfermentasi), T1 (Pakan dengan 10% tepung Azolla microphylla terfermentsi), T2 (Pakan dengan 15% tepung Azolla microphylla terfermentasi), T3 (Pakan dengan 20% tepung Azolla microphylla terfermentasi). Parameter yang diukur adalah konsumsi protein, kecernaan protein kasar, retensi nitrogen dan bobot badan. Data yang diperoleh diolah dengan ANOVA dan dilanjutkan dengan Uji Duncan taraf 5%. Hasil penelitian menunjukan penggunaan tepung Azolla microphylla terfermentasi berpengaruh nyata (P<0,05) terhadap konsumsi protein dan bobot badan, namun tidak diperoleh pengaruh nyata (P>0,05) terhadap kecernaan protein kasar dan retensi nitrogen. Kesimpulan dari penelitian ini adalah tepung Azolla microphylla hingga level 20% dapat menurunkan konsumsi protein dan bobot badan akan tetapi dapat memberikan kecernaan protein dan retensi nitrogen yang sama.
Hayat ve hayat dışı sigortalar için karar verme problemi
Authors: KARACA Fatma , TAŞ Nihal
Published: May 2018

Karar verme problemlerinde esnek küme ve bulanık esnek küme kavramları son zamanlarda oldukça popüler hale gelmiştir. Sigortacılık sektöründe kişinin özelliklerine göre sigorta türünün belirlenmesi de günümüzde bir problem olarak karşımıza çıkmaktadır. Bu çalışmada esnek küme ve bulanık esnek küme kavramları kullanılarak hayat ve hayat dışı sigortaların seçimi problemi ele alınmıştır. Bu problemde sigorta seçimine karar verebilmek için esnek küme ve bulanık esnek küme kavramları kullanılarak iki farklı matematiksel modelleme elde edilmiştir. İlaveten elde edilen bu matematiksel modellemeler dikkate alınarak sigorta seçimine yardımcı olacak bir yapay sinir ağı modeli önerilmiştir. Önerilen matematiksel modellemeler için çeşitli örnekler elde edilmiştir. Sigorta şirketleri kendi gerçek hayat verileri üzerinde bu modellemeleri kullandığında daha kesin sonuçların ortaya çıkacağı öngörülmektedir.
Rehabilitation Practice Patterns Following Anterior Cruciate Ligament Reconstruction: A Survey of Physical Therapists
Authors: Greenberg Elliot M. , Greenberg Eric T. , Albaugh Jeffrey , Storey Eileen , Ganley Theodore J.
Published: May 2018

Background

Recovery from anterior cruciate ligament reconstruction (ACLR) requires an intensive course of postoperative rehabilitation. Although guidelines outlining evidence-based rehabilitation recommendations have been published, actual practice patterns of physical therapists are unknown.

Objectives

To analyze the current landscape of clinical practice as it pertains to rehabilitation progression and the use of time and objective criteria in rehabilitation following ACLR.

Methods

In this cross-sectional study, an online survey was distributed to members of the Academy of Orthopaedic Physical Therapy, the American Academy of Sports Physical Therapy, and the Private Practice Section of the American Physical Therapy Association between January and March 2017.

Results

The study analyzed a sample of 1074 responses. Supervised physical therapy was reported to last 5 months or less by 56% of survey respondents. The most frequent time frames for activity progression were 3 to 4 months (58%) for jogging, 4 to 5 months (50%) for modified sports activity, and 9 to 12 months (40%) for unrestricted sports participation. More than 80% of respondents reported using strength and functional measures during rehabilitation. Of those physical therapists who assessed strength, 56% used manual muscle testing as their only means of strength testing. Single-limb hop testing (89%) was the most frequently reported measure used to allow patients to begin modified sports activity following ACLR. Performance criteria for strength and functional tests varied significantly across all phases of rehabilitation. The 45% of respondents who reported using patient-reported outcome measures indicated that just under 10% of those measures involved fear or athletic confidence scales.

Conclusion

Considerable variation in practice exists among American Physical Therapy Association members regarding rehabilitation following ACLR. This variability in practice may contribute to suboptimal outcomes and confusion among practitioners and patients. J Orthop Sports Phys Ther 2018;48(10):801–811. Epub 22 May 2018. doi:10.2519/jospt.2018.8264
Surface Immobilization and Shielding of a Transaminase Enzyme for the Stereoselective Synthesis of Pharmaceutically Relevant Building Blocks
Authors: Alami Ayoub Talbi , Richina Federica , Correro M. Rita , Dudal Yves , Shahgaldian Patrick
Published: May 2018

Transaminases are enzymes capable of stereoselective reductive amination; they are of great interest in the production of chiral building blocks. However, the use of this class of enzymes in industrial processes is often hindered by their limited stability under operational conditions.
Herein, we demonstrate that a transaminase enzyme from Aspergillus terreus can be immobilized at the surface of silica nanoparticles and protected in an organosilica shell of controlled thickness. The so-protected enzyme displays a high biocatalytic activity, and additionally provides the possibility to be retained in a reactor system for continuous operation and to be recycled.
New Earth-abundant Materials for Large-scale Solar Fuels Generation
Authors: Prabhakar Rajiv Ramanujam , Cui Wei , Tilley S. David
Published: May 2018

The solar resource is immense, but the power density of light striking the Earth's surface is relatively dilute, necessitating large area solar conversion devices in order to harvest substantial amounts of power for renewable energy applications. In addition, energy storage is a key
challenge for intermittent renewable resources such as solar and wind, which adds significant cost to these energies. As the majority of humanity's present-day energy consumption is based on fuels, an ideal solution is to generate renewable fuels from abundant resources such as sunlight and
water. In this account, we detail our recent work towards generating highly efficient and stable Earth-abundant semiconducting materials for solar water splitting to generate renewable hydrogen fuel.
SimplyNano-Experimentierkoffer und die Plattform Swiss Nano-Cube
Authors: Flüeler Thomas
Published: May 2018

Die Experimentierkoffer SimplyNano 1 und 2 wurden von der Innovationsgesellschaft mbH entwickelt und von der SimplyScience Stiftung herausgegeben. Sie enthalten Unterrichtsunterlagen für die Erklärung und Vorstellung einfacher Phänomene der Nanotechnologie. Es stehen
Schüleranleitungen, Kommentare für Lehrpersonen und Vortragsfolien zur Verfügung. Weiterführende Unterlagen und Ideen zu Nanotechnologie im Unterricht bietet die Plattform Swiss Nano-Cube.
Two Faces of Hydrogen in Yttrium Hydroxyhydride: Y2H3O(OH) – a New Inorganic Chiral System with Hydridic and Protonic Hydrogens
Authors: Pishtshev Aleksandr , Strugovshchikov Evgenii , Karazhanov Smagul
Published: May 2018

Design of inorganic compounds containing different anions attracts a lot of attention because it affords a great opportunity to develop new functionality across the whole range of material properties. Based on the results of structure-modeling studies of a mixed-anion system, we predicted novel derivatives of oxyhydrides – chiral hydroxyhydrides M2H3O(OH) (M = Y, Sc, La, and Gd) that are characterized by the coexistence of three anionic species, H–, O2 –, and OH– inside the crystal lattice. The materials demonstrate a speciﬁc charge ordering, which is connected with the chiral organization of atoms where both the metal cations and the anions are standing in positions that form helical curves spreading along the tetragonal axis. Moreover, the twisting of the H– and H+ sites gives rise to their linking via strong dihydrogen bonds. Unusual structural, electron and optical features caused by the P41 crystal structure have been investigated in the Y2H3O(OH) comprehensive case study.
DAO ĐỘNG MỰC NƯỚC BIỂN TRONG KỶ ĐỆ TỨ VỚI SỰ HIỆU CHỈNH ẢNH HƯỞNG SỤT LÚN KIẾN TẠO HIỆN ĐẠI TẠI ĐỒNG BẰNG VEN BIỂN TỈNH QUẢNG NAM
Authors: Tự Do Hoàng Ngô
Published: May 2018

Bài báo đã xác định 5 giai đoạn thay đổi của mực nước biển trong kỷ Đệ tứ từ 1,806 triệu năm trước đến ngày nay trên cơ sở các đường mực nước biển tại khu vực lân cận, có kiểm chứng với tuổi đồng vị Cacbon 14 của trầm tích được lấy theo các độ sâu khác nhau. Ngoài ra, chúng tôi đã hiệu chỉnh lại đường biến đổi mực nước biển từ 21.000 năm trước đến ngày nay tại khu vực đồng bằng Quảng Nam do ảnh hưởng của hoạt động sụt lún kiến tạo hiện đại, kết quả như sau: - Từ 21.000 năm đến 11.700 năm so với hiện nay mực nước biển tăng từ 4,39mm/năm đến 6,76mm/năm.- Từ 11,7 ngàn năm trước đến 4,7 ngàn năm trước đây, có 2 giai đoạn biển tiến mạnh từ 16,0mm/năm đến 22,0mm/năm và 1 giai đoạn biện tiến chậm với tốc độ 2,5mm/năm.- Mực nước biển đạt cực đại cao nhất là +6m tại 4.700 năm trước đây, sau đó hạ thấp đến -2m ở thời điểm 2.700 năm trước. Từ mức nước -2m, biển tiến mạnh đến mực nước +2m trong khoảng 500 năm, sau đó hạ thấp đến mức -1,5m tại thời điểm cách đây 700 năm.Các kết quả này cũng có thể sử dụng cho các tỉnh ở khu vực từ Đà Nẵng đến Bình Thuận, giúp cho việc xác định đặc điểm của trầm tích Đệ tứ tại khu vực cũng như khôi phục lịch sử dâng – hạ mực nước biển trong vùng.
PENGEMBANGAN MODEL PEMBELAJARAN IPS TERPADU BERBASIS LINGKUNGAN SEKITAR
Authors: Purnamasari Iin
Published: May 2018

SARI?é?áIt must be recognized that the subjects belonging to the education of Social Sciences (IPS) in Indonesia have not recognice from the public. There are some indications to justify this statement. First, the national exam originally did not include exams that must be tested. Second, parents are more proud if his son has high score in mathematic, despite he has low score of sosial studies.. Third, social study learning did less seriously or carelessly. Less respect for social studies in schools is determined by several factors. First, the myth that believe only those who pursue science lesson was the one who will be successful in life. Although in fact they are not. Second, the sosial studies material that is too big has less relevance to the real world of students. Third, unprofessional social studies teacher also determines the student disinterest. ?é?áApart from that problem, social studies education has a strategic significance to increase student?óÔé¼Ôäós personality so that they can become a good members of the public. It must be received that social studies is needed to give the students a balance of thinking, so that the right brain and left brain can function optimally so that it can succeed in the midst of modern society that has full of change. The question is whether today's social studies education has been able to those function? If it?óÔé¼Ôäós not, so how the strategy to restore the function of learning social studies in order to have benefits for students, especially elementary school and the community? Keywords: sosial sudies Integrated Learning, Environment
CARACTERÍSTICAS AGRONÔMICAS DE CAPIM-CORRENTE (Urochloa mosambicensis) ADUBADO COM ESTERCO SUÍNO E SUBMETIDO A DUAS ALTURAS DE CORTE
Authors: Sá Júnior Eduardo Henrique , Cruz Manoela Gomes da , Leite Maurício Luiz de Mello Vieira , Lucena Leandro Ricardo Rodrigues de
Published: May 2018

O capim-corrente (Urochloa mosambicensis Hack. Dandy) apresenta-se como uma espécie promissora para as regiões semiáridas devido as suas características de tolerância ao déficit hídrico e adaptação ao clima quente. Objetivou-se avaliar as características estruturais, índice de folhosidade, constituintes morfológicos e taxa de acúmulo de fitomassa do capim-corrente, adubado com esterco suíno e submetido a duas alturas de corte. Foram utilizadas quatro doses de adubação orgânica (0, 5, 10, 15 t.ha-1) e duas alturas de corte (10 e 20 cm) com três repetições, sendo avaliados a taxa de acúmulo de fitomassa em três ciclos produtivos consecutivos, características estruturais e índice de folhosidade no final do primeiro ciclo e constituintes morfológicos no terceiro ciclo produtivo do capim-corrente. O acúmulo de fitomassa apresentou resposta linear crescente com relação ao aumento das doses de esterco suíno, sendo a altura de corte de 10 cm responsável por maior produtividade de matéria seca, assim como, a taxa de acúmulo de fitomassa foi crescente para o aumento das doses de esterco suíno, com altura de corte de 10 cm apresentando maiores valores. As características estruturais, índice de folhosidade e componentes morfológicos não apresentaram diferenças significativas para as condições testadas neste trabalho. Assim, constata-se a importância da adubação orgânica nas pastagens de regiões semiáridas, constituindo-se um meio de aumentar a produtividade de gramíneas adaptadas ao clima, fortalecendo a pecuária e reduzindo custos.
Potencial forrageiro de genótipos de milho com e sem espiga primária em diferentes sistemas de cultivo
Authors: Carvalho Artur Pereira Vasconcelos de , Carvalho Islan Diego Espindula de , Ferreira Paulo Vanderlei , Ferreira Douglas dos Santos , Pereira Mariângela Gomes
Published: May 2018

O presente trabalho teve como objetivo avaliar o potencial forrageiro de quatro genótipos de milho (Alagoano, Viçosense, Nordestino e Cruzeta), em duas características estruturais da planta (com e sem espiga primária) e em dois sistemas de cultivo (monocultivo e consorciado com feijão, variedade IAC Alvorada). O trabalho foi desenvolvido no Centro de Ciências Agrárias da Universidade Federal de Alagoas e foi dividido em dois experimentos, onde no experimento 1 foi realizada a avaliação das plantas de milho utilizando o delineamento experimental em blocos casualizados no esquema fatorial (4x2), com três repetições. Foram avaliadas as variáveis: Produtividade de Matéria Verde da Planta Com a Espiga Primária (PMVPCEP), Produtividade de Matéria Verde da Planta Sem Espiga Primária (PMVPSEP), Percentual de Matéria Seca da Planta Com Espiga Primária (%MSPCEP), Percentual de Matéria Seca da Planta Sem Espiga Primária (%MSPSEP), Produtividade de Matéria Seca da Planta Com Espiga Primária (PMSPCEP) e Produtividade de Matéria Seca da Planta Sem Espiga Primária (PMSPSEP). No experimento 2 foi realizada a avaliação da silagem utilizando o delineamento inteiramente casualizado no esquema fatorial (4x2x2), com quatro genótipos de milho, dois sistemas de cultivo e duas características estruturais da planta. Cada parcela experimental foi representada por um silo experimental, constituído de PVC de 0,50 m de comprimento por 0,15 m de diâmetro e volume de 0,00884 m³. As variáveis avaliadas foram: Rendimento de Silagem (RS); Percentual de Matéria Seca da Silagem (%MSS) e Produtividade de Matéria Seca da Silagem (PMSS). No experimento 1 os genótipos Alagoano, Viçosense e Nordestino apresentaram maiores produtividades de Matéria Verde e Matéria Seca, com médias de 62,60 t.ha-1, 47,56 t.ha-1, 25,88 t.ha-1 e 16,37 t.ha-1 para PMVPCEP, PMVPSEP, PMSPCEP e PMSPSEP, respectivamente. No experimento 2 os genótipos Alagoano, Viçosense e Nordestino apresentaram maiores RS e PMSS, com médias de 25,05 t.ha-1 e 8,71 t.ha-1, respetivamente. Os sistemas de cultivo não apresentaram diferença significativa pelo teste de Tukey a 5% de probabilidade e a estrutura da planta com espiga primária se mostrou superior quando comparada sem espiga primária.
Construction of Students’ Comprehensive Quality Evaluation Model based on Improved AHP
Authors: Yao Cheng , Feng Qin , Xiao Zheng
Published: May 2018

Generally, the assessment of students in colleges is mostly based on academic performance ranking, and it is not conducive to the cultivation of all-round outstanding university students. In order to change the evaluation way of “the only achievement theory”, this paper constructed the comprehensive quality evaluation model (CQE) for college students based on the analytic hierarchy process(AHP). Focusing on the limitations of subjective arbitrariness in AHP, we improved the AHP based on the stakeholder perspective(IAHP_SP). Through the experimental verification of the students' data in a university in Anhui, it shows that the comprehensive quality evaluation model of the students proposed by this study is feasible.
Research on the grinding performance of high pressure sintering SiCp/Al matrix composites
Authors: Chen Zhiru , Hu Yukun
Published: May 2018

The two-dimensional vertical grinding test equipment was used to grind
SiCp/Al composites which were prepared by high pressure sintering
method. The SEM observation of grinding morphology showed that grinding
damage can be prevented by SiC particles reinforcement, 60% volume
fraction of SiC particles of SiCp/Al composite can hinder grinding depth
and grinding performance was improved with the sintering pressure and
temperature increasing. In addition, some scratches and exfoliated pits
of SiC particles were observed on the surface of 60% volume SiCp/Al
composite as the increase of grinding grain, while the depth of these
scratches was shallower, there was no large area exfoliated pits of SiC
reinforcements.