On the Representation Theory of Orthofermions and Orthosupersymmetric Realization of Parasupersymmetry and Fractional Supersymmetry

We construct a canonical irreducible representation for the orthofermion algebra of arbitrary order, and show that every representation decomposes into irreducible representations that are isomorphic to either the canonical representation or the trivial representation. We use these results to show that every orthosupersymmetric system of order $p$ has a parasupersymmetry of order $p$ and a fractional supersymmetry of order $p+1$.Comment: 13 pages, to appear in J. Phys. A: Math. Ge

Pengembangan Perangkat Pembelajaran Mesin Bubut Cnc Tu-2a Merk Emco Austria Berorientasi Pada Model Pembelajaran Langsung

Kompetensi dasar mesin bubut CNC TU-2A mahasiswa masih rendah dan 81.82% dari 44 mahasiswa menyatakan bahwa materi mesin CNC sulit dikarenakan belum adanya perangkat pembelajaran. Penelitian ini bertujuan:1) mendeskripsikan aktivitas mahasiswa selama proses pembelajaran. 2) mendeskripsikan respon mahasiswa setelah pembelajaran. 3) mendeskripsikan hasil belajar mahasiswa setelah pembelajaran. Pengembangan perangkat pembelajaran mengacu pada model Thiagarajan, yakni model 4-D. Model ini terdiri atas empat tahap pengembangan, yaitu tahap pendefinisian (define), tahap perancangan (design), tahap pengembangan (develop) dan tahap pendiseminasian (disseminate). Rancangan penelitian yang digunakan adalah One Group Pretest and Postest Design dengan subjek pada uji coba terbatas mahasiswa Prodi S1 Pendidikan Teknik Mesin sejumlah 78 mahasiswa. Subjek pada uji coba luas mahasiswa Prodi D3 Teknik Mesin Produksi angkatan 2010 Unesa sejumlah 24 mahasiswa. Data dianalisis secara deskriptif kualitatif. Hasil penelitian menunjukkan bahwa: 1) Aktivitas mahasiswa dalam kategori sangat baik, artinya mahasiswa sangat antusias dan tertarik dengan perangkat pembelajaran yang dikembangkan dengan prosentase sebesar 81.80% dan rata-rata skor 4.08. 2) Respon mahasiswa sangat positif, artinya mahasiswa sangat tertarik pada perangkat pembelajaran mesin CNC dengan prosentase sebesar 95.83%. 3) Ketuntasan belajar mahasiswa sebesar 76.33% dikatakan tuntas karena nilai mahasiswa diatas 61. Hasil instrumen Pre-test dan post-test memiliki validitas dikategorikan tinggi 0.60, nilai reliabilitas tinggi 0.83 dan sensitivitas 0.61 dikategorikan tinggi. Simpulan bahwa pengembangan perangkat mesin CNC efektif meningkatkan kompetensi dasar mahasiswa terbukti dengan meningkatnya proporsi jawaban dari 0.15 menjadi 0.81 mengalami peningkatan sebesar 66%

Effect of different dietary levels of plant protein on growth indexes of white Leg shrimp

The influence of different dietary levels of plant protein (30, 50 and 70%) on growth indices of White Leg Shrimp (Litopenaeus vannamei) fed with an original 38 percent protein was assessed and compared with that of the commercial shrimp diet. The average weight gain at the end of the culture period in treatment 1 (30% plant protein and 70% animal protein), was 5.89 plus or minus 0.06 grams, for treatment 2 (50% plant protein and 50% animal protein), was 6.22 plus or minus 0.25 grams, for treatment 3 (70% plant protein and 30% animal protein), was 6.19 plus or minus 0.24 grams and for the control treatment (20% plant protein and 80% animal protein), was 6.42 plus or minus 0.40 grams. Our study of the influence of experimental and control diets on growth indices including growth rate (GR), food conversion ratio (FCR), protein efficiency ratio (PER), specific growth rate (SGR), and average daily gain (ADG), demonstrated that the indices were better in the control compared to the treatments. No significant difference was found among the treatments and between the treatments and the control for the indices (P>0.05). The percent of net protein utilization (NPU) in treatment 1 was significantly more than other treatments (P<0.05). We also found that the application of diets containing 50% plant protein (with 20% soybean meal) and 70% plant protein (with 41.72% soybean meal) can decrease diet costs. Cost of one kilogram of pellet in treatments 1, 2, 3 were 83.3%, 68.3% and 53.3% lower than the control diet respectively. Decrease of cost in treatment 2 and 3, in comparison to control in terms of lowering shrimp production cost is very important

Effect of probiotic on the laying performance of Japanese quails (Coturnix japonica)

Abstract This study was conducted to investigate the effect of different levels of Protexin on feed efficiency and egg laying traits of Japanese quails. Forty eight Japanese quails (Coturnix japonica), having average age six weeks were equally allocated to four treatments each containing three replicates. In each replicate were included three female and one male bird. Birds received diets which were supplemented with 0, 0.250, 0.500, and 1.000 gm Protexin per kg diet as control, treatments 2, 3 and 4 respectively. Feed intake was measured daily and feed conversion ratio was calculated. After 63 days of experimental period, egg weight, albumen weight, yolk weight, and shell weight were measured. Feed intake decreased significantly in group 3, while FCR decreased significantly in all treatments. Egg weight, shell weight, albumin weight increased significantly in group 3. However, yolk weight decreased significantly in group 4. In conclusion, Protexin at the level of 0.500 gm/kg of feed improved the egg traits in Japanese quail. Keywords: Coturnix japonica; egg; probiotic protexin; quail To cite this article: Vali N, A Ghaderi-Samani and A Doosti, 2013. Effect of probiotic on laying performance of Japanese quails (Coturnix japonica). Res. Opin. Anim. Vet. Sci., 3(7), 218-220

Effects of light regimes on growth and survival of Penaeus semisuleatus

We investigated the possible effects of light regimes on growth and survival rate of juvenile shrimp Penaeus semisuicants cultured in Bushehr Province, southern Iran. Five light regimes each with three replications were applied for 30 days. The treatments were 24 1 0, 18 / 6, 12 1 12, 6 1 18 and 0 124 hours of light and darkness. We found that the treatment 12 7 12 hours of light and darkness was better than 18 1 6 and significantly superior to other treatments (P<0.05). The lowest growth rate was seen in the treatment 24 / 0 (P<0.001 ). We did not find a significant difference in the survival rate of the shrimps cultured in the light and darkness treatments (P<0.05)

Characterizing a heterogeneous aquifer by derivative analysis of pumping and recovery test data

Evaluation of aquifer yields with the conventional time- drawdown method is based on the assumption of Theisian or infinite radial flow (IRF) of ground water to a well. However, long-term aquifer yields are controlled by heterogeneities and boundary conditions, which lead to departures from the assumptions underlying the IRF. Accurate prediction of long-term aquifer yields therefore requires evaluation of aquifer heterogeneities. This study involves estimation of Shiraz aquifer parameters from aquifer tests in Fars province, Iran. Aquifer-test responses indicate internal heterogeneity at a scale below the resolution attainable with the available well control. Reliable estimates of aquifer parameters are obtained by applying a derivative technique to the analysis of time drawdown data. Derivative analysis allows us to identify test segments for which the assumption of IRF is valid. Conventional time-drawdown analyses and derivative curves are then integrated with geological information to identify the nature of heterogeneities and assess their impact on long-term aquifer response to pumping. Finally a conceptual model is proposed for the aquifer

Identification of valuable natural factors by the VPS Method from children’s points of view, in order to provide a framework for organizing the school yard space

Background and Objective: Addressing the issue of identifying elements of the nature are important to children and increase children's creativity. In such a way that these elements can be presented in a general framework so that designers and architects can rely on them, the most important concepts and items needed in the design, to consider these spaces and apply them. Of course, it should be noted that several environmental factors affect creativity. However, in this study, an attempt is made to identify the factors that have the most impact, so that the needs of children can be met in accordance with their activities and a general framework for designing children's spaces can be proposed. The main difference between this research and other researches is in prioritizing the effective factors in nature from the children's point of view and its effect on creativity and then presenting the results in the form of an overall design framework. Various research has been done on this subject, but in a one-dimensional way and in them only one factor is mentioned, such as the effect of creativity on learning, but none of them presents the effect of nature's role in increasing creativity. The purpose of this research is to determine which natural elements are important from children’s points of view and whether the use and presence of elements are possible in educational locations. This research seeks to find approaches to design school yards based on children’s points of view with regard to the role of nature in their education. Methods: The research method used in this qualitative study is content analysis. Based on the nature of the subject, a questionnaire and the image technique were used as the main method of data collection. The structure of the questionnaire is based on the measures and criteria derived from the subject literature and designed based on Likert scale. In the first stage, 120 questionnaires were provided to children of 7-12 age in the case study. Results of the questionnaires were obtained. To ensure that the results of the questionnaires are expanded, the researcher, in the second phase, provided some pictures relevant to questionnaires, so that the children could respond to questions based on their visual preferences. The researcher then obtained results based on visual content analysis. Findings: It was discovered that these two instruments of measurement are in line with each other and are appropriate to the environmental factors affecting children. Finally, a framework for organizing the school yard is presented. Conclusion: By creating an appropriate, responsive and purposeful framework in design, we can address the main goal of the research, which is to identify the effective factors in nature from the children's point of view by increasing their creativity, and finally, an appropriate framework by considering these factors to organize the space of the school yard. The necessity of presenting the framework can be expressed in such a way that the weakening of children's connection with outside the classroom is harmful for the child, on the other hand, an intellectual movement moves towards learning outdoors. The presence of natural elements or the same nature has a positive effect on children's creativity, discovers and flourishes the latent talent in children and creates a suitable environment for a bright future for children.   ===================================================================================== COPYRIGHTS  ©2019 The author(s). This is an open access article distributed under the terms of the Creative Commons Attribution (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, as long as the original authors and source are cited. No permission is required from the authors or the publishers.  ====================================================================================

ENSO forcing on climate change in Iran: Precipitation analysis

An investigation was conducted to detect the change-point years in the Southern Oscillation Index (SOI) and precipitation time series in Iran for the period 1951-1999 (49 years). Due to the unavailability of data, the record length of the precipitation time series was not consistent for all stations, varying from 34 to 49 years. The Pettitt- Mann-Whitney and Mann-Whitney-Wilcoxon tests were applied to determine the significance of the detected changes. The difference in SOI and precipitation amounts for the period before and after the change years was investigated. The coincidence of change-point years in the SOI time series and precipitation data was explored to evaluate the possible forcing effects of the El Niño-Southern Oscillation (ENSO) phenomenon on the suppression or enhancement of Iran's hydrological cycle. The results indicated that the mid 1970s are the most probable change- point years in the time series of Southern Oscillation Index (SOI) data. The frequency and intensity of El Niño events have increased since then. Consistent with this finding, precipitation data from both south-western and northern parts of Iran have also shown significant change years in or around the mid 1970s. Compared to the period before 1975, annual precipitation over most of the studied regions has increased. This increase was found to be more considerable in southern rather than northern districts. Seasonal precipitation amounts in southern regions have generally increased during autumn and winter and decreased in spring. On the other hand, for northern regions, precipitation has increased during summer and autumn and decreased throughout winter and spring. The most enhanced portions of the hydrological cycle in the southern and northern regions were centred on March and May, respectively

A survey on effects of shrimp aquaculture on the coastal waters of Bushehr (Helleh and Mond)

The effects of aquaculture industry on the environment were evaluated by studying the water quality of Bushehr costal water during culture season 2005 and 2006. The variations of selected parameters such as total phosphorus, ammonia, chlorophyll a, pH, salinity and... Were monitored in effluent canal, influent canal and open sea in Helleh and Mond regions as monthly. Following occurrence of White Spot Disease (W.S.D) in the shrimp ponds of Bushehr province, shrimp culture suspended and entrance of effluent waters completely were blocked since August 2005, despite the absence of aquaculture sewage evaluation of environment and sampling were continued. During releasing of sewage of shrimp ponds to the coastal waters of Bushehr in Jun 2005, the average amount of ammonia in Helleh and Mond were obtained to be 0.161 mg/l and 0.194 mg/l, however the average amount of total phosphorus in Helleh and Mond regions were 0.149 mg/l and 0.043 mg/l, respectively. Although effluent water suspension, amount of ammonia and total phosphorus were increased in both region especially in June 2006. Comparing present data in Jun 2005 and recorded data from culture period 1997-2003 with permitable range of municipal and aquaculture waste show that; aquaculture industry on both regions have not had any obvious negative effect on the coastal waters of Bushehr but it seems if other sources of pollutions in the region is not controlled, then the aquaculture industry can contribute to occurrence of environmental problems

Genome-wide association scan meta-analysis identifies three Loci influencing adiposity and fat distribution.

To identify genetic loci influencing central obesity and fat distribution, we performed a meta-analysis of 16 genome-wide association studies (GWAS, N = 38,580) informative for adult waist circumference (WC) and waist-hip ratio (WHR). We selected 26 SNPs for follow-up, for which the evidence of association with measures of central adiposity (WC and/or WHR) was strong and disproportionate to that for overall adiposity or height. Follow-up studies in a maximum of 70,689 individuals identified two loci strongly associated with measures of central adiposity; these map near TFAP2B (WC, P = 1.9x10(-11)) and MSRA (WC, P = 8.9x10(-9)). A third locus, near LYPLAL1, was associated with WHR in women only (P = 2.6x10(-8)). The variants near TFAP2B appear to influence central adiposity through an effect on overall obesity/fat-mass, whereas LYPLAL1 displays a strong female-only association with fat distribution. By focusing on anthropometric measures of central obesity and fat distribution, we have identified three loci implicated in the regulation of human adiposity