bluuebunny/crossref_metadata_2025 huggingface dataset:
Generic complexity of the membership problem for semigroups of integer matrices
Authors:   Sobolev Institute of Mathematics, SB RAS, Rybalov A. N.
Published: May 2022

The membership problem for finitely generated subgroups (subsemigroups) of groups (semigroups) is a classical algorithmic problem, actively studied for many decades. Already for sufficiently simple groups and semigroups, this problem becomes undecidable. For example, K. A. Mikhailova in 1966 proved the undecidability of the membership problem for finitely generated subgroups (hence and for subsemigroups) of a direct product F2×F2 of two free groups of rank 2. Since, by the well-known Sanov theorem, the group F2 has an exact representation by integer matrices of order 2, the group F2×F2 is a subgroup of the group GL4(ℤ) of integer matrices of order 4. It easily implies the undecidability of this problem for the group GLk(ℤ) for k ≥ 4. Undecidability of the membership problem for finitely generated subsemigroups of semigroups of integer matrices of order ≥ 3 follows from Paterson’s result proved in 1970. In this paper, we propose a strongly generic algorithm deciding the membership problem for semigroups of integer matrices of arbitrary order for inputs from a subset whose sequence of frequencies exponentially fast converges to 1 with increasing size.
Building parsers based on syntax diagrams with multiport components
Authors:   Belgorod State Technological University named after V. G. Shukhov, Ryazanov Yu. D. , Nazina S.V. ,   Belgorod State Technological University named after V. G. Shukhov
Published: May 2022

The problem of constructing parsers from syntax diagrams with multiport components (SD) is solved. An algorithm for constructing a parser based on the GLL algorithm is proposed, which results in the compact representation of the input chain parse forest. The proposed algorithm makes it possible to build parsers based on the SD of an arbitrary structure and does not require preliminary SD transformations. We introduce the concepts of “inference tree” and “parsing forest” for SD and describe the data structures used by the parser, such as a graph-structured stack, a parser descriptor, and a compact representation of the parsing forest. The algorithm for constructing parsers based on SD is described and an example of parser constructing is given.
Implementation of point-counting algorithms on genus 2 hyperelliptic curves based on the birthday paradox
Authors:   Immanuel Kant Baltic Federal University, Kolesnikov N.S.
Published: May 2022

Our main contribution is an efficient implementation of the Gaudry - Schost and Galbraith - Ruprai point-counting algorithms on Jacobians of hyperelliptic curves. Both of them are low memory variants of Matsuo - Chao - Tsujii (MCT) Baby-Step Giant-Step-like algorithm. We present an optimal memory restriction (a time-memory tradeoff) that minimizes the runtime of the algorithms. This tradeoff allows us to get closer in practical computations to theoretical bounds of expected runtime at 2.45√N and 2.38a√N for the Gaudry - Schost and Galbraith - Ruprai algorithms, respectively. Here N is the size of the 2-dimensional searching space, which is as large as the Jacobian group order, divided by small modulus m, precomputed by using other techniques. Our implementation profits from the multithreaded regime and we provide some performance statistics of operation on different size inputs. This is the first open-source parallel implementation of 2-dimensional Galbraith - Ruprai algorithm.
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Fahriye in Pseudonymous Couplets: The Example of the Fehim-i Kadim Divan
Authors: BAHAR BAHANUR OZKAN
Published: May 2022

In the tradition of divan poetry, fahriye, which can be defined as the poet's boasting of himself and his art, has been used in many forms, especially in eulogies. Fahriye is the mention of the poet's talent, his verse, his prose, the power of his pen in exaggerated expressions with one or more verses. Initially, the function of the fahriye sections, which poets used as a means to convey their wishes to the elders of the state with whom they presented their odes, changed over time and the number of verses increased. In addition to this, fahriye have started to be seen in other forms of verse. After the odes, fahriye examples are most commonly found in the pseudonym verses of ghazals. When these verses are analyzed, it is seen that poets praise their poetry and poetry with certain phrases.These similar expressions used by poets when they tefahür (reflect) also convey their views on poetry, poetry and art. In the study, the verses of the ghazals of Fehîm'i Kadim, one of the poets of the 17th century, will be discussed.The pseudonym couplets of Fehîm, who is the representative of the Sebk-i Hindi movement, are the last in terms of fahriye is extremely rich.The verses of the poet's tefahür (reflection) were taken into account and translated into modern Turkish.Based on these verses, it was determined how Fehîm evaluated his own poetry and poetry and what expressions he used when making these evaluations. These data were tried to be classified, exemplified and processed under certain headings.
Non-Invasive Electrophysiological Markers Associated With Long QT Syndrome
Authors: Ardashev Andrey V. , Snezhitskiy Victor A. , Kalatsei Liudmila V.
Published: May 2022

Long QT syndrome (LQTS) is a life-threatening channelopathy, characterized by permanent or transient QT interval prolongation on the 12-lead electrocardiogram and syncope associated with malignant ventricular rhythm disturbances, particularly polymorphic ventricular tachycardia also known as torsade de pointes. Corrected QT (QTc) interval measurement remains the initial source of LQTS diagnosis in any patient, but the borderline QTc interval prolongation should induce further investigation. Genetic testing has the greatest value to provide definitive diagnosis in such situations, but it cant be applied to each patient routinely, putting aside that it can often be incomprehensive, costly or unavailable. The present review discusses the most promising non-invasive electrophysiological markers associated with Long QT syndrome, particularly in absence of visible QT interval prolongation and clinical manifestations.
Access Site Complications by Intracardiac Interventions
Authors: Kimkov Alexander V.
Published: May 2022

In recent decades, the number of intracardiac procedures using percutaneous puncture access has increased manifold. Despite the acquisition by operators of expertise and standardization of methods, the problem of complications remains relevant.
AIM: to analyze the frequency and nature of complications of percutaneous access in intracardiac interventions. Suggest recommendations to reduce the incidence of complications.
MATERIALS AND METHODS: analysis of data published in international peer-reviewed journals on the topic, as well as the experience of the vascular surgery clinic of St. Katarina's Hospital.
CONCLUSIONS: the frequency and severity of complications depend on the experience of the operator, the size and frequency of changing the instrument, as well as compliance with the rules of preoperative diagnosis and postoperative management of the patient.
RECOMMENDATIONS: standardized preoperative preparation, careful planning of the intervention, analysis of the state of the access vessels, compliance with the rules of vessel puncture and competent performance of postoperative compression in combination with the use of suturing devices according to indications can reduce the frequency and severity of complications.
Disease-Modifying Therapy of Chronic Heart Failure on the Background of Heart Rhythm and Conductivity Disorders (Clinical Case)
Authors: Novikova Tatiana N. , Novikov Vladimir I. , Bitakova Fatima I. , Saiganov Sergey A. , Shcherbakova Vladislava A.
Published: May 2022

The article presents a clinical case of the development and progression of chronic heart failure (CHF) in a patient with postinfarction cardiosclerosis after implantation of a permanent pacemaker due to binodal dysfunction. The progression of CHF was exacerbated by the patient's transition to a permanent form of atrial fibrillation. Complex therapy for CHF, including cardiac resynchronization therapy, drug therapy with valsartan + sacubitril, empagliflozin, eplerenone, metoprolol succinate (quadrotherapy) led to a complete recovery of the ejection fraction (EF) of the left ventricle. After the patient stopped taking one of the components of quadrotherapy (valsartan + sacubitril), there was a tendency to decrease in EF. The clinical case emphasizes the importance of the timely transformation of traditional permanent pacing into cardiac resynchronization therapy and the appointment of complex modern drug therapy for CHF. When an improvement or restoration of EF is achieved, it is advisable to continue the therapy against which the improvement was obtained in order to avoid the negative consequences that are possible when the components of the quadrotherapy are cancelled.
Catheter ablation of sustained idiopathic right ventricular outflow tract tachycardia in a pregnant patient without fluoroscopy
Authors: Govorova Yulia O. , Pershina Ekaterina S. , Tyukov Pavel A. , Аlekhnovich Alexander V. , Lischuk Alexander N. , Gromyko Grigory A.
Published: May 2022

In 2020, our department has performed 739 operations on nonpregnant patients. Additionally, 545 highly successful nonfluoroscopic catheter ablation of cardiac arrhythmias were routinely performed using a three-dimensional navigation system, including 47 patients with idiopathic ventricular tachycardia (VT) from the right ventricular outflow tract (RVOT).
A 38-year-old female patient with a structurally normal heart was admitted to our hospital in 1011 weeks of her third pregnancy because she sustained recurrent 166 regular heartbeats per minute, wide QRS-complex tachycardia with left bundle branch morphology, and frequent premature ventricular contractions on Holter monitoring with complaints of presyncope and dyspnea. Standard antiarrhythmic drugs failed to control tachycardia. This case report presents our initial successful experience of the rescue zero-fluoroscopy catheter ablation of sustained poorly tolerated idiopathic RVOT tachycardia in a pregnant patient. Our result suggests that this technique may be considered in the few rare cases in which drug-resistant, sustained frequent VT is accompanied by hemodynamic compromise with fluoroscopy contraindication.
AIM: Diagnostic algorithm of idiopathic sustained drug-resistant, poorly tolerated VT and the possibility of radiofrequency catheter ablation in the most vulnerable first trimester of pregnancy without fluoroscopy were presented in our case report.
Factors of Cardiovascular Risk in Drivers of Locomotive Crews of Railway Transport with Ventricular Arrhythmias
Authors: Metso Kristina V. , Nikiforov Viktor S.
Published: May 2022

AIM: This study aimed to assess cardiovascular risk factors in drivers and assistant drivers of railway engine crews with ventricular rhythm disorders.
MATERIALS AND METHODS: The study included 120 patients aged 39 to 61 years (mean age M SD: 50.4 4 years), who were distributed into two groups with and without ventricular rhythm disorders. All participants underwent 12-lead daily ECG monitoring with assessment of noninvasive markers of myocardial electrical instability (circadian profile, QT interval, late ventricular potentials, T-wave alternation, rhythm variability). Traditional factors of cardiovascular risk, the employment period in the profession, and the level of personal and situational anxiety on Spielbergers state-trait anxiety inventory (STAI) were evaluated.
RESULTS: In Group 1, in comparison with Group 2, significant differences were revealed in the duration of the PQ interval (during the day and at night) and the indicators of late ventricular potentials (RMS 40 and TotQRSF). When analyzing risk factors, elevated indices of total blood cholesterol were registered in both groups, and the risk on the SCORE scale was at a moderate level. In the group of workers with ventricular rhythm disorders, higher indicators of total blood cholesterol and the frequency of smoking and alcohol consumption were established. In individuals with ventricular rhythm disorders, a significant relationship was detected between the number of registered single monomorphic ventricular extrasystoles and the age of the employee (r = 0.3, р 0.05), and blood pressure level (r = 0.3, р 0.05), and the relationship between the level of anxiety and the registration of single supraventricular extrasystoles was established (r = 0.3, р 0.05). In the Group 2, a significant correlation was revealed between the number of registered single supraventricular extrasystoles and age (r = 0.2, р 0.05), the employment period in the profession of a driver (r = 0.2, р 0.05), the blood pressure level (r = 0.2, р 0.05), and the level of anxiety on the STAI (r = 0.3, р 0.05).
CONCLUSIONS: Drivers of railway engine crews with ventricular rhythm disorders are characterized by a higher level of total blood cholesterol and a higher frequency of smoking and alcohol consumption. They have significant changes in the duration of the PQ interval (during the day and at night) and indicators of late ventricular potentials (RMS 40 and TotQRSF) according to Holter monitoring. The relationship of the number of ventricular rhythm disorders with age and the office values of systolic and diastolic blood pressure is noted in drivers of engine crews of railway transport.
Gambaran Ultrasonografi Corpus Luteum Sapi Aceh Penderita Endometritis setelah Terapi Lugol dan Prostaglandin F2 Alfa (PGF2α) secara Intra Uteri
Authors: Melia Juli , Masitah Novi , Syafruddin Syafruddin , Asmilia Nuzul , Panjaitan Budianto
Published: May 2022

ABSTRACT. Endometritis merupakan peradangan pada endometrium yang dapat mengakibatkan gangguan fungsi ovarium. Biasanya sapi yang mengalami endometritis memiliki Corpus luteum (CL) di ovarium. Pemberian terapi yang sesuai dan efektif sangat penting dalam penanganan kasus endometritis. Penelitian ini bertujuan untuk mengetahui perubahan diameter CL pada sapi Aceh penderita endometritis setelah terapi lugol 2% dan PGF2α secara intra uteri menggunakan teknik ultrasonografi. Enam ekor sapi Aceh betina (n=6) yang telah didiagnosa menderita endometritis dengan kisaran umur 5-10 tahun, dibagi dalam 2 kelompok perlakuan. Kelompok 1 (K1, n=3) diberi perlakuan dengan terapi larutan lugol 2% sebanyak 50 ml/ekor secara i.u. Kelompok 2 (K2, n=3) diberi perlakuan dengan terapi lugol 2% 50 ml ditambah PGF2α 12,5 mg/ekor secara i.u. Pemeriksaan dilakukan setelah terapi selama 24 hari. Hasil analisis statistik penurunan diameter CL tidak terdapat perbedaan nyata pada kedua kelompok perlakuan. Dapat disimpulkan bahwa terapi sapi-sapi Aceh endometritis menggunakan kombinasi lugol 2% dan PGF2α kurang efektif terhadap penyembuhan berdasarkan gambaran ultrasonografi CL pada ovarium sapi Aceh endometritis.  (Ultrasonography of corpus luteum endometritis Aceh cows after intra uterine therapy of lugol and PGF2α) ABSTRAK. Endometritis is an inflammation in the endometrium that can resulted from disturbance of normal ovarian function. Giving appropriate therapy and effective is very important in handling case endometritis. Usually cows that experience endometritis has Corpus luteum (CL) in the ovary. This research aim was to know the changes in diameter of CL at Aceh cows sufferer endometritis after therapy lugol 2% and PGF2α with intra-uterine infusion using ultrasound technique. Six Aceh cow females (n=6) who have been diagnosed suffer from endometritis with range age 5 to 10 years, divided in to 2 groups of treatment. Group 1 (K1, n=3) was given treatment with therapy solution lugol 2% as much as 50 ml/head in a manner i.u. Group 2 (K2, n=3) was given treatment with therapy lugol 2% 50 ml plus PGF2α 12,5 mg/head in a manner i.u. Examination done after therapy for 24 days. The results of the statistical analysis showed no significant differences in the two treatment groups. Could be concluded that treatment endometritis Aceh cows use combination lugol 2% and PGF2α is lacking effective to healing based on picture ultrasonography CL on ovary endometritis Aceh cows.
Kecepatan Pertumbuhan Spesifik Bakteri Asam Laktat dengan Ekstrak Kacang Merah (Phaseolus vulgaris L.) sebagai Studi Awal Produksi Flavored Yogurt
Authors: Wulandari Eka , Putranto Wendry Setiyadi , Gumilar Jajang , Suryaningsih Lilis , Pratama Andry , Anggaini Trianingtyas Kusuma
Published: May 2022

ABSTRACT. Bakteri asam laktat merupakan bakteri yang memfermentasi bahan pangan melalui fermentasi karbohidrat menghasilkan sejumlah besar asam laktat. Penelitian ini bertujuan untuk mengetahui kecepatan pertumbuhan spesifik dari bakteri asam laktat (Streptococcus thermophilus FNCC 0040 (ST), Lactobacillus bulgaricus FNCC 0041 (LB), Lactobacillus acidophilus FNCC 0051 (LA), Lactobacillus casei ALG.2.12 (LC ALG 2.12), Bifidobacterium ATCC 12746 (BF) sebagai studi awal pembuatan flavored yogurt. Dari hasil pengujian, diperoleh penambahan ekstrak kacang merah meningkatkan kecepatan pertumbuhan spesifik isolat bakteri asam laktat dan menurunkan pH medium sehingga, penggunaan ekstrak kacang merah dapat digunakan sebagai prebiotik yang dapat meningkatkan pertumbuhan bakteri asam laktat. Kecepatan pertumbuhan spesifik paling tinggi adalah isolat Bifidobacterium dalam medium MRS Broth dengan ekstrak kacang merah.  (Specific growth rate of lactic acid bacteria with red bean extract (Phaseolus vulgaris L.) as a preliminary study of flavored yogurt production) ABSTRAK. Lactic acid bacteria are group of bacteria which ferment food carbohydrates and produce lactic acid as the main product of fermentation. This study aimed to determine the specific growth rate of lactic acid bacteria (Streptococcus thermophilus FNCC 0040 (ST), Lactobacillus bulgaricus FNCC 0041 (LB), Lactobacillus acidophilus FNCC 0051 (LA), Lactobacillus casei ALG.2.12 (LC ALG 2.12), Bifidobacterium ATCC 12746 (BF) as a preliminary study for the production of flavored yogurt. In this study, lactic acid bacteria was culture in two different medium, deMan Rogosa Sharpe (MRS) Broth and deMan Rogosa Sharpe (MRS) Broth with red bean extract. Optical density, lactic acid biomass and pH was measured during fermentation processed. The results showed that the addition of red bean extract increased the specific growth rate of lactic acid bacterial isolates and lowering the pH of the medium so that the use of red bean extract can be used as a prebiotic which can increase the growth of lactic acid bacteria. The highest specific growth rate was Bifidobacterium in MRS Broth medium with red bean extract.
Efek Probio_FM dan Larutan Kunyit terhadap Performa dan Penurunan Jumlah Campylobacter pada Itik Lokal Kerinci
Authors: Nadhira Ivania Farrah , S Ella Hendalia , Manin Fahmida
Published: May 2022

ABSTRACT. Campylobacter merupakan salah satu bakteri yang terdapat dalam usus halus itik, yang dapat menurunkan performa dan menyebabkan penyakit yang bersifat zoonosis. Penularan kebanyakan terjadi melalui daging, tetapi belum ada yang memastikan bagaimana bakteri ini dapat berada pada daging, sehingga berbagai biokontrol diupayakan dalam menekan dan mencegah penularan Campylobacter. Tujuan penelitian ini untuk melihat efektivitas pemberian probiotik bakteri asam laktat, kunyit, dan gabungan keduanya dalam menekan keberadaan Campylobacter dalam usus halus, serta pengaruh pemberiannya terhadap performa itik lokal kerinci. Penelitian menggunakan Rancangan Acak Lengkap (RAL) dengan materi 100 ekor itik lokal kerinci jantan, yang mendapat perlakuan kontrol (P0); pemberian Probio_FM (P1); pemberian larutan kunyit (P2), dan gabungan Probio_FM dan larutan kunyit (P3) dalam pakan, dengan masing-masing 5 ulangan. Hasil penelitian ini menunjukkan bahwa perlakuan yang diberikan tidak berpengaruh nyata (P0,05) terhadap performa, pH, jumlah bakteri asam laktat, dan jumlah Campylobacter pada jejunum dan ileum itik kerinci. Berdasarkan hasil penelitian, dapat disimpulkan bahwa pemberian Probi_FM, larutan kunyit, dan gabungan keduanya belum mampu menekan keberadaan Campylobacter dalam usus halus itik kerinci.  (The effect of Probio FM and turmeric solution on performance and reducing Campylobacter in Kerinci local duck) ABSTRAK. Campylobacter is one of the bacteria found in the small intestine of ducks, which can reduce performance and cause zoonotic diseases. Transmission mostly occurs through meat, but no one has confirmed how this bacteria can be in the meat, so various biocontrols are treated to suppress and prevent Campylobacter transmission. This study intended to evaluate the effectiveness of lactic acid bacteria probiotics, turmeric, and their combination administrations in suppressing the presence of Campylobacter in the small intestine, as well as the effect of their administration on the performance of local kerinci ducks. The experiment used a completely randomized design (CRD) with 100 male local kerinci ducks, received control treatment (P0); administration of Probio_FM (P1); administration of turmeric solution (P2), and a combination of Probio_FM and turmeric solution (P3) in duck feed, with 5 replications respectively. The results showed that all treatments had no significant effect (P0.05) on the performance, pH, the number of lactic acid bacteria, and Campylobacter in the jejunum and ileum of kerinci ducks. It could be concluded that the administration of Probio_FM, turmeric solution, and their combination had not been able to suppress the presence of Campylobacter in the small intestine of kerinci ducks.
Pengaruh Pemberian Pelet Mengandung Tepung Daun Indigofera terhadap Produktivitas Kambing Boerka Periode Bunting dan Laktasi
Authors: Solehudin Solehudin , Mubarak Ade Syahrul , Tarigan Andi
Published: May 2022

ABSTRACT. Penelitian ini bertujuan untuk mengetahui pengaruh pemberian pelet mengandung tepung daun Indigofera terhadap produktivitas kambing Boerka periode bunting dan laktasi. Ternak yang digunakan adalah kambing Boerka bunting bulan keempat sebanyak 60 ekor dengan variasi paritas ke 2 dan 3 dan rataan bobot badan saat dikawinkan adalah 32,63±5,29 kg. Penelitian menggunakan Rancangan Acak Kelompok (RAK) dengan 3 perlakuan pakan dengan 20 kali ulangan: rumput lapang + Pelet komersil (R1); rumput lapang + pelet Indigofera 10% (R2); rumput lapang + pelet Indigofera 20% (R3). Parameter yang diukur adalah bobot badan anak lahir dan bobot badan anak prasapih (umur 3 bulan). Data dianalisis menggunakan Analysis of Variance (ANOVA ) satu arah dan dilanjutkan dengan Uji Jarak Berganda Duncan. Hasil analisis statistik menunjukkan bahwa pemberian tepung daun Indigofera 10% memberikan pengaruh nyata terhadap bobot lahir anak kambing betina dan tidak berbeda nyata terhadap parameter lainnya namun cenderung menurun pada pemberian tepung daun Indigofera 20%. Dapat disimpulkan bahwa penggunaan tepung daun Indigofera dalam pelet sampai 20% memberikan pengaruh yang tidak nyata terhadap produktivitas kambing Boerka periode bunting dan laktasi.  (Effect of dietary pellet containing indigofera leaf meal on productivity of Boerka goat at pregnancy and lactating period) ABSTRAK. The research was aimed to investigate effect of dietary pellet containing Indigofera leaf meal on productivity of Boerka goat at pregnancy and lactating period. A total of 60 heads of Boerka goat who were pregnant at 4th, parity of 2nd and 3rd and average of body weight when mated were 32,63±5,29 kg. Research used randomized block design with 3 feed treatments and 20 replicated: native grass + commercial pellet (R1); native grass + Indigofera’s pellet 10% (R2); native grass + Indigofera’s pellet 20%. The parameter measured were body weight of lamb born and body weight of lamb at pre-weaning (3 month aged). Data were analyzed used Analysis of Variance (ANOVA) one way dan continued with Multiple’s Range Test of Duncan. The result of statistical analysis showed that dietary Indigofera leaf meal 10% gave significant effect on birth weight of female lamb and non significant effect on other parameters but tends to decreased in dietary Indigofera leaf meal 20%. It could be conclude that utilization of Indigofera leaf meal until 20% in pellet gave not significant effect on productivity of Boerka goat at pregnancy and lactating period.
Penggunaan Tepung Kunyit (Curcuma domestica) dalam Ransum yang Mengandung Black Garlic terhadap Performa Ayam Broiler
Authors: Berliana Berliana , Nelwida Nelwida , Nurhayati Nurhayati
Published: May 2022

ABSTRACT. Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan tepung kunyit (Curcuma domestica) dalam ransum yang mengandung black garlic terhadap performa ayam broiler. Materi yang digunakan dalam penelitian ini adalah ayam broiler umur sehari (DOC) sebanyak 200 ekor dari strain New Lohman MB 202, tepung black garlic, tepung kunyit, ransum komersial nonantibiotic produksi Japfa Comfeed serta 20 unit kandang beserta perlengkapannya. Ayam broiler dibagi dalam 5 perlakuan dengan 4 ulangan, setiap ulangan terdiri dari 10 ekor. Perlakuan yang diberikan adalah P0= 100% ransum komersial tanpa antibiotik, P1= P0+3% black garlic, P2=P1+0.5% tepung kunyit, P3=P1+1.0 tepung kunyit dan P4= P1+1.5% tepung kunyit sedangkan untuk periode akhir semua ayam pada perlakuan P1, P2, P3 dan P4 hanya diberikan ransum komersil yang mengandung black garlic. Penelitian ini dirancang menggunakan Rancangan Acak Lengkap (RAL). Peubah yang diamati adalah konsumsi ransum, pertambahan bobot badan, konversi ransum, bobot karkas dan morfometrik usus halus. Pengaruh yang nyata perlakuan terhadap peubah yang diamati dilanjutkan dengan uji Jarak Berganda Duncan. Hasil analisis ragam menunjukkan bahwa penggunaan tepung kunyit dalam ransum yang mengandung black garlic berpengaruh tidak nyata (P0.05) terhadap semua peubah yang diamati. Disimpulkan bahwa penambahan tepung kunyit sampai 1.5% dalam ransum yang mengandung black garlic pada fase awal tidak dapat digunakan untuk meningkatkan performa ayam broiler.  (The use of turmeric flour (Curcuma domestica) in rations containing black garlic on broiler chicken performance) ABSTRAK. This study aims to determine the effect of using turmeric flour (Curcuma domestica) in rations containing black garlic on broiler performance. The material used was 200 DOC broilers, which were divided into 5 treatments with 4 replications where each replication consisted of 10 chickens. Treatment consisted of P0 = 100% commercial ration without antibiotics, P1=P0+3% black garlic, P2=P1+0.5% turmeric flour, P3=P1+1.0 turmeric flour, and P4= P1+1.5% turmeric flour. These treatments were offered during the starter phase. During the finishing period, all chickens groups P1, P2, P3 and P4 were fed rations containing 100% commercial feed and 3% of black garlic. This study was designed using a completely randomized design (CRD), if there is an effect on the treatment, it will be further tested with Duncan's test. The observed variables were ration consumption, body weight gain, ration conversion, carcass weight, and small intestine morphometrics. The results of the analysis of variance showed that the use of turmeric flour in rations containing black garlic had no significant effect (P0.05) on all observed variables. It is concluded that the addition of turmeric flour up to 1.5% in the ration containing black garlic during the starter phase had not been able to improve the performance of broiler chickens.
TÜRKİYE’DE İŞ TATMİNİ VE İŞ PERFORMANSI ARASINDAKİ İLİŞKİ: BİR META ANALİZ ÇALIŞMASI
Authors: AYDIN Okan Anıl
Published: May 2022

Çalışmanın amacı Türkiye’de gerçekleştirilen ve alanda fazlaca yapılmış olan iş tatmini ve iş performansı arasındaki ilişkinin bir meta analiz çalışmasıyla tek çatı altında toplanması ve genel bir sonuç elde edilmesidir. Ulusal yayınlar arasında iş tatmini ve iş performansı arasındaki ilişkiyi ölçmek için kullanılan benzer tekniklerden farklı olarak çalışmamızın metodolojisinde ilk kez meta analiz tekniği kullanılmıştır. Çalışmanın değerini arttıran bir unsurda metodolojisinin kapsamlı, kolay anlaşılır ve kılavuz mahiyetinde hazırlanmış olmasıdır. Bu amaç doğrultusunda alan yazın sistematik bir şekilde incelenmiş ve belirlenen kriterlere uygun 40 adet bireysel araştırma çalışmamıza dahil edilmiştir. Alınan bu araştırmaların ilk olarak Comprehensive Meta Analysis v3 programına yüklenmesi gerçekleştirilmiş ve analize uygun olarak kodlanmıştır. Araştırmaların analizlerine başlamadan önce etki değerinin hangi modelde yapılacağı belirlenmiş ve rastgele etkiler modeli tercih edilmiştir. Ardından da etki büyüklüğü, yayın yanlılık ve alt grup analizleri yapılmıştır. Çalışmanın öne çıkan bulgularına bakıldığında iş tatmini ve iş performansı arasında orta düzeyde pozitif bir etki bulunmuştur. Ayrıca çalışmaya alınan bireysel araştırmaların yayın yanlılığı bulunmamaktadır. Çalışmamızın bir diğer önemli çıktısı ise sektörler arasında iş tatmini ve iş performansındaki ilişki açısında istatistiksel olarak anlamlı farklılık bulunmuştur. Turizm ve sağlık sektörleri zayıf düzeyde sanayi, eğitim ve hizmet sektörleri ise orta düzeyde etki büyüklüklerine sahiplerdir.
SPİRİTÜEL LİDERLİĞİN KURUMSAL İTİBARA ETKİSİNİN İNCELENMESİ
Authors: ŞENGÜLLENDİ Muhammet Fatih , ŞEHİTOĞLU Yasin
Published: May 2022

Araştırmada beyaz yakalı çalışanların yöneticilerinden algıladıkları spiritüel liderlik davranışlarının kurumsal itibar algılarına etkisinin test edilmesi amaçlanmıştır. Nicel araştırma metodu kullanılarak 236 katılımcıdan elde edilen veriler SPSS 22.0 paket programında analiz edilmiştir. Bu bağlamda ilk olarak katılımcıların demografik özelliklerinin dağılımları incelenmiş, araştırma kapsamında kullanılan ölçeklerin geçerliliklerinin test edilmesi için açıklayıcı faktör analizi, güvenilirlerinin test edilmesi için ise güvenilirlik analizi yapılmıştır. Araştırma değişkenleri olan spiritüel liderlik ve kurumsal itibar arasındaki arasındaki ilişkinin istatistiksel olarak incelemek için pearson korelasyon analizi yapılmıştır. Son olarak ise araştırma hipotezinin test edilmesi adına araştırmanın bağımsız değişkeni olan spiritüel liderliğin bağımlı değişken olan kurumsal itibara etkisini test etmek adına doğrusal regresyon uygulanmıştır. Araştırma sonuçlarına göre beyaz yakalı çalışanların algıladıkları spiritüel liderlik davranışları ile çalıştıkları kurumları adına algıladıkları kurumsal itibar arasında istatistiksel olarak anlamlı ve pozitif yönlü bir ilişki bulunmaktadır. Ayrıca beyaz yakalı çalışanların algıladıkları spiritüel liderlik davranışları, kurumlarını daha itibarlı olarak algılamalarını sağlamaktadır. Araştırmanın sonuç kısmında, araştırma değişkenleri olan spiritüel liderlik ve kurumsal itibar kavramlarına yönelik gelecekte yapılabilecek çalışmalar hakkında öneriler sunulmuştur.
Hydrogenation of 1,3-pentadiene on modified Pd-containing catalysts
Authors: Kustov L. M. , Tarasov A. L. , Kustov A. L.
Published: May 2022

Activity and selectivity of alumina-supported palladium catalysts, particularly the sulfurized ones, in the hydrogenation of 1,3-pentadiene to pentenes were investigated. Preliminary sulfurizing of palladium catalysts considerably enhances the selectivity to olefins in a wide range of the H2 /diene molar ratio (from 2.5 to 10). Samples activated in H2 at elevated temperatures demonstrate a higher activity toward diene hydrogenation. Palladium catalysts are more active at low temperatures of the reaction; however, the earlier studied sulfurized Ni catalysts compare well with palladium ones in terms of their selectivity to olefins and productivity, and are more selective in an excess of hydrogen. Modification of palladium with chromium, silver or lithium increases the selectivity to olefins.
A Favorable Outcome With CPX-351 Liposome (Vyxeos) in the Management of A Sporadic Monosomy 7 Myelodysplastic Syndrome Related Acute Myeloid Leukemia
Authors: Mohamed Jiffry Mohamed Zakee , Vargas Jonathan , Ahmed-khan Mohammad , Thomas Teena , Sosa Jeltsina
Published: May 2022

Introduction: Although Acute Myeloid Leukemia (AML) has been associated with several environmental factors, in some patients the evolution to AML is preceded by myelodysplastic syndrome (MDS). We report a case of 63-year-old male who was diagnosed with sporadic monosomy 7 MDS/AML who achieved good response to treatment with CPX-351 (Vyxeos) induction chemotherapy.
Case information: A 63-year-old male initially presented to the ED for further evaluation of pancytopenia that was discovered incidentally during a routine office visit. Further evaluation revealed his blast count was elevated with presence of Auer rods, myelocytes and basophilia. He was admitted for further work-up of pancytopenia with suspicion being for MDS/AML and bone marrow biopsy for flow cytometric evaluation of the bone marrow was strongly suggestive of acute myeloid leukemia, with morphology suggesting a predisposing MDS. Subsequent molecular cytogenetic [FISH] report confirmed -7/7q abnormality in 80% of nuclei with loss of 1 copy of chromosome 7. The following week, patient was initiated on CPX–351 [Vyxeos; daunorubicin and cytarabine liposome for injection]. Bone marrow biopsy following induction chemotherapy showed 11 to 12% of CD34 positive myeloid blasts with abnormal myeloid maturation, representing notable improvement with greater than 50% reduction in his blast count.
Conclusion: Sporadic monosomy 7 MDS/AML that arises without evidence of germline genetic predisposition and in the absence of other predisposing medical conditions or treatments is an uncommon subset of AML. Vyxeos induction chemotherapy may be an excellent option in the management of sporadic monosomy 7 MDS/AML.
Developing a Code of Practice for Using Data in Wellbeing Support
Authors: Cormack Andrew Nicholas , Reeve David
Published: May 2022

With student and staff wellbeing a growing concern, several authors have asked whether existing data might help institutions provide better support. By analogy with the established field of Learning Analytics, this might involve identifying causes of stress, improving access to information for those who need it, suggesting options, providing rapid feedback, even early warning of problems. But just investigating the possibility of such uses can create significant risks for individuals: feelings of creepiness or surveillance making wellbeing worse, inappropriate data visibility destroying trust, assessments or interventions becoming self-fulfilling prophecies. To help institutions decide whether and how to explore this area, and to reassure individuals that this is being done safely, we propose a Wellbeing Analytics Code of Practice. This starts from an existing Learning Analytics Code, confirms that its concerns and mitigations remain relevant, and adds additional safeguards and tools for the wellbeing context. These are derived from a detailed analysis of European and UK data protection law, extracting all rules and safeguards mentioned in relation to health data. We also develop context-specific tools for managing risk and evaluating data sources. Early feedback suggests that these documents will indeed increase confidence that this important area can be safely explored.
“Somos o que comemos!”: Uma reflexão da política de cuidado ecofeminista plasmada na prática da agroecologia
Authors: Valle Luísa de Pinho
Published: May 2022

Objetivo compartilhar uma reflexão sobre a política de cuidado ecofeminista presente na produção alimentar agroecológica. Esta análise é desenvolvida a partir de uma hermenêutica ecofeminista. Parto da revisão de literatura, interdisciplinar e pluriepistemológica, que enfrenta os valores andro-antropocêntricos que constituem a base do capitalismo-financeiro global. Este sistema econômico, que perpetua lógicas de poder, sociopolítico e econômico, originadas no sistema patriarcal e na ideologia colonial, está a levar-nos à destruição irreversível na escala planetária. Conhecimentos e práticas ecofeministas abrem possibilidades para a sociedade humana reconectar sua natureza terrestre e, consequentemente, romper com a economia de morte presente no mundo em nossos dias. Escolho direcionar minha leitura para uma política de cuidado relacional com a comida. Isto porque verifico as interconexões existentes e as transformações possíveis que o alimento proporciona à realização de uma economia da vida, contrariando a fatalidade que ameaça a comunidade Terra.
Slovenska književnost v medkulturnem kontekstu
Authors: Borovnik Silvija
Published: May 2022

Prispevek obravnava mesto, vlogo in podobo izbranih del slovenske književnosti v medkulturnem prostoru. Slovensko književnost umešča v prostor Srednje Evrope, ki je bil vselej večkulturen in večjezičen, v njem pa so pisali številni ustvarjalci in ustvarjalke, ki so bili kozmopolitsko usmerjeni. V prispevku je prikazano, kako se identitete slovenskih literarnih del z medkulturnim pristopom na novo razlagajo, saj izražajo dialog s številnimi drugimi kulturami in tudi z jeziki. Prispevek dokazuje, da so razprave o popolni monokulturnosti in enojezičnosti nesmiselne in škodljive.
Slovenska literatura iz Italije v medkulturnem kontekstu: primer Gorice
Authors: Toroš Ana
Published: May 2022

Prispevek uvodoma poda zgoščeni prikaz slovenske literature na območju današnje dežele Furlanije Julijske krajine v Italiji. Osrednji del prispevka se osredotoča na literaturo goriških književnikov o Gorici kot literaturo v izrazito medkulturnem kontekstu. V ta namen vzame pod drobnogled nekatera literarna dela, ki se prostorsko umeščajo v mesto Gorica in ki so napisana v štirih različnih jezikih, slovenskem, italijanskem, furlanskem in nemškem, pri čemer išče njihova prostorska in idejna presečišča.
A sequential deposition of amyloid beta oligomers, plaques and phosphorylated tau occurs throughout life in the canine retina
Authors: Habiba Umma , Morley John , Krockenberger Mark , Summers Brian A. , Tayebi Mourad
Published: May 2022

Aims: Cerebral amyloid burdens may be found in otherwise cognitively intact adults, often not showing worsening deficits with passing years. Alzheimer’s transgenic rodents have been widely used to investigate this phenomenon, but a spontaneous disorder in other animals, such as dogs that cohabit with humans and thus may have some shared environmental risks, may contribute and offer opportunities not possible in the smaller laboratory animals. In animals, the spontaneous disorder most comparable to Alzheimer’s disease (AD) affects mature to aged dogs and is designated canine cognitive dysfunction. Motivated by AD, many studies have revealed that amyloid progressively accumulates in the canine central nervous system, including the retina. Here, we investigated whether deposits of amyloid and/or tau can be found in the canine retina of neurologically normal animals from the first year of life to the elderly. Suppose canine ocular amyloid and tau are present from early life. In that case, that raises the question of whether similar patterns of accumulation occur in man, whether as part of aging, AD, or other. Methods: This study used eye tissues from 30 dogs with a variety of ophthalmic or other orbital disorders, of which 7/30 were 1-2 years old. Tissues were subdivided into dogs of three different age groups: young (1-5 years old), middle (6-10 years old), and old (≥ 11 years old). Results: Following immunostaining of tissue sections with nanobodies against retinal Aβ1-40 and Aβ1-42 oligomers, and antibodies against Aβ plaques (Aβp) and hyperphosphorylated Tau (p-Tau), our investigations revealed that accumulation of Aβ1-40 and Aβ1-42 oligomers were widespread in the retina in all age groups. In contrast, Aβp were detected in the middle and old age groups but not in the young age group. Furthermore, p-Tau staining was observed in four old dogs only, while other dogs were p-Tau free. Interestingly, both Aβo and Aβp co-localized in the middle and old age groups of dogs. Moreover, diffuse granular p-Tau co-localized with intracellular Aβo in the old age group. Finally, we also observed co-localization of Aβo and Aβp in the retinal vasculature which might be similar to cerebral amyloid angiopathy associated with AD. Conclusion: As far as we know, the presence of amyloid and tau in the canine retina is hitherto unreported. If similar, early-in-life subclinical retinal deposits occur in a human cohort perhaps identified by AD genetic risk factors, following this group may offer the prospect of preclinical therapeutic intervention in imminent dementia, a strategy recognized as likely necessary to impact this burgeoning disorder.
The development of German business in Russia in 2021-2022: top-managers opinion
Authors: Gracheva M.
Published: May 2022

The article presents the results of the survey of the heads of structural divisions operating in Russia – on the outcome of their activity in 2021 and expectations for 2022. Top-managers indicate the improvement of business climate in 2021 and express the optimism in relation to the situation in 2022. Most of them define their current business position in Russia as satisfactory or bad. The majority of them do not plan to attract additional labor force and to implement new investment projects in 2022. Respondents highlight three most acute current problems of the Russian market (rouble’s exchange rate, anti-Russian sanctions, bureaucracy), hope for maintaining or increasing the level of German-Russian relations under the new German government. They consider it impossible to put the gas pipeline Nord Stream 2 into operation in principle or without the fulfillment of preconditions, expect Russia’s role as an energy partner of the EU to weaken or stagnate by 2050, indicate the most promising business sectors and regions of the country.
REB’s statistical series: surveys of industrial enterprises
Authors: Aukutsionek S. , Batyaeva A. , Dyomina N. , Egorov A. , Matveev A.
Published: May 2022

Industrial indexes of the Russian Economic Barometer cover a wide range of economic indicators of Russia’s industrial enterprises. The article presents the basic statistical data collected on a monthly, quarterly and semi-annual base by the Russian Economic Barometer through direct surveys of industrial enterprises’ managers. Regular extension of rows allows to consider the dynamics of more than 100 series of indicators, to conduct a comparative analysis of data collected since 1991.
Assessment of Economic Policy in 2021
Authors: Aukutsionek S.
Published: May 2022

The article describes how the managers of Russia’s industrial and agricultural enterprises (the Russian Economic Barometer’s respondents) assess the governmental economic policy through the end of 2021. The author presents the data on the proportion of managers who understand and approve of this policy and on the first-priority measures that they consider necessary to stimulate production.
REB’s statistical series: surveys of agricultural enterprises
Authors: Aukutsionek S. , Batyaeva A. , Dyomina N. , Egorov A. , Matveev A.
Published: May 2022

The article presents unique data on the Russian agricultural sector, which has been gathered by the Russian Economic Barometer for almost 30 years. There is published statistics reflecting the attitude of the heads of agricultural enterprises towards the economic policy of the government. There are presented data revealing the degree of importance for the agricultural producers of various factors limiting production and capital investments.
Comparison of land suitability class for endemic Coffea liberica Pinogu HP. acquired using different methods and recommendations for land management in Pinogu Plateau, Bone Bolango Regency, Indonesia
Authors: Nurdin Nurdin , Zakaria Fauzan , Azis Mohammad A , Rahim Yunnita , Rahman Rival , Kasim Mahmud
Published: May 2022

Coffee is a national strategic commodity that contributes to Indonesia’s foreign exchange, but its productivity remains low due to cultivation on low potential land. This study aimed to determine the land suitability of endemic liberica coffee using two different methods and formulate recommendations for land management in Pinogu Plateau. Thirteen land units were surveyed, and soil samples were collected and analyzed in the laboratory to identify the land characteristics. Land suitability classes (LSCs) were compared by limiting factor and parametric methods. Analysis using the limiting factor method showed that the actual LSCs for liberica coffee consisted of moderately suitable (S2) and marginally suitable (S3) classes. Efforts for improvement could increase the potential of LSC to became very suitable (S1) and S2 classes. Meanwhile, the assessment with the parametric method indicated that the LSC consisted of S1, S2, and S3 classes. These results revealed that the parametric method provides more realistic land characteristics than the limiting factor method. Land management II  or the land that had a little limiting factor turned out to be more dominant with the recommendation of adding P and organic fertilizer.
Investigation of the Missing Data Imputation Methods on Characteristic Curve Transformation Methods Used in Test Equating
Authors: ÖZDEMİR Gülden , ATAR Burcu
Published: May 2022

In this research, the aim was to evaluate the effect of zero imputation and multiple imputation missing data handling methods on item response theory (IRT) based test equating methods under different conditions. Data in this study was obtained from the administration of the TIMSS 2019 eighth-grade science test. Data sets were formed by randomly selecting a sample of 1000 students with full data from booklets 7 and 8. By deleting data under a completely random missing data mechanism within the scope of common-item nonequivalent groups (CINEG) design, four different data sets were obtained with the missing data rates of 10% or 20% in the new test or in both tests. The missing da ta problem was solved by using zero imputation and multiple imputation methods from these data sets. In this way, 8 different data sets were formed. Then, scaling transformation was performed by using characteristic curve transformation methods (Haebara, Stocking-Lord). Test equating results were reported in terms of observed scores. The root mean square error (RMSE) was used as the evaluation criterion to determine the error involved in test equating. As a result, it was determined that in the case of 10% missing data in both tests, generally lower RMSE values were obtained. It was observed that the multiple imputation method, one of the methods for handling missing data, was the method that produced RMSE values that were both the lowest and closer to the full data set as a reference value compared to the zero-imputation method. In addition, it was determined that, when compared to the Haebara method, Stocking-Lord method, one of the characteristic curve transformation methods, produced lower RMSE values and these values were closer to the full data set, which was taken as a reference value.