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Intricate and reproducible patterning of root tissues is critical for root function and plant survival.In particular,pat......
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The aim of the current study was to assess the efficacy of probiotic and protein supplementation on some biomarkers of h......
双目立体视觉标定模型具有非线性,难以建立完备的数学模型来描述不同的镜头畸变和噪声,而BP神经网络可以解决复杂非线性问题。采用......
Simple and double layers first appeared in electrostatics and later found various applications in mathematical physics. ......
<div style=“text-align:justify;”> The effects of the main parameters of argon flux, oxygen flux and beam voltage on th......
Optimizing the electromagnetic wave absorption performance of designed hollow CoFe_(2)O_(4)/CoFe@C m
Whereas hollow composites present some superiorities like abundant micro interfaces,outstanding impedance matching as th......
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Effects of compound traditional Chinese medicine ultrafine powder on lipid metabolism and related ge
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Studies on Models,Patterns and Require-ments of Digestible Amino Acids for Layers by Nitrogen Metabo
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Performance and Nutrient Utilization of Layers Fed Diet Supplemented with Microbial Phytase and Cell
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Protection of silver mirror stacks from environmental degradation before launching is crucial for space applications.Her......
Comparative Study on Nitrogen Metabolism and the Nitrogen Maintenance Requirement in Lohmann Brown R
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
With the rapid development of the city, it is necessar</span><span style="font-family:Verdana;">y to obtain geological i......
试验选用56周龄新扬州鸡产蛋鸡150只,随机分为3个处理,每个处理5个重复,各重复10只.研究经腿肌注射0、200和400μg鸡甲状旁腺素基......
对进口X祖代鸡B系和D系共143羽异性公鸡的K座位羽速型作了K座位隐性测交，杂合子占41.96%，慢羽纯合子占35.66%，另有9羽和2羽公鸡分别因......
Objectives of the research to present a modern theory of water purification for multiple purposes entitled “a novelties......
在蛋鸡养殖过程中会产生很多有害气体,其中氨气是最为常见且对环境危害较大的气体之一。文章对辽南地区部分蛋鸡舍内氨气含量进行......
介绍法国阿尔斯通出口/考菲瓦公司(ALSTHOM ExPORT/COFIVA)在设计制图上的思想及方法，并和国内所沿用的方法进行比较分析......
选经常规免疫ND，IBD的28周龄尼克红蛋鸡200只，按随机去法等分为5组，放置于人工气候室内，5组日粮Se水平分别为0．1（对照组），0.15,0.20,0.25,0......
选取48周龄的尼克红商品蛋鸡720只，随机分为5组（A～E），每组4次重复，每重复36只鸡，A组饲喂玉米-豆粕型日粮，不加复合酶制剂；另外4组（B～E）饲喂玉米......
以法兰盘零件图为例,描述了图层、图块的功能,同时描述了图层设置方法,图块设置方法。探讨了绘制零件图时图层、图块应用方法与技......
为了能够在可编辑逻辑器件上设计更高速度的功能单元，提出了一种面向单元内加速的可重构算法。通过该算法能够对目标逻辑功能单元进......
用360只24周龄伊莎褐商品蛋鸡,进行L_9(3~4)正交试验,随机分组设计,探讨在轻度热应激(29.56±1.07℃)下,饲粮代谢能(11.09、11......
选用18周龄海赛克蛋鸡192只，研究了玉米－豆粕型日粮中添加植酸酶和纤维素酶对蛋鸡生产性能和营养物质利用的影响。采用2×2×......
试验选用56周龄新扬州鸡产蛋鸡150只，随机分为3个处理，每个处理5个重复，各重复10只。研究经腿肌注射0、200和400μg鸡甲状旁腺素基因......
选经常规免疫ND、IBD的30周龄健康罗曼蛋鸡96只，按随机法等分为两组，分别置于2个人工气候室内，对照组环境温度保持22℃不变，试验组环境......
畜禽粪便产生的有害气体严重污染了养殖环境,容易引发疫情疾病,从而造成畜禽产品产量的损失,畜禽养殖环节必须对畜禽粪便进行处置......
In research of YBCO coated conductors, the development of a oxide template for epitaxial growth of YBCO is very importan......
植酸酶作为一种新型酶制剂，添加于食品和饲料中，能消除植酸引起的抗营养作用，提高蛋白质和矿物质的生物利用率。本文综述有关植酸酶的......
Multilayered FeSi/Si amorphous films with fixed FeSi layer thickness and different Si layer thicknesses have been studie......
Microstructure of shale formation is the key to understanding its petrophysical and chemical properties.Optical microsco......
An enhanced differential evolution-based inverse radiation transport model for identification of unk
Identifying the geometric information of an object by analyzing the detected radiation fields is an important problem fo......
研究利用发酵罐生产生物可乐后,供给2万只蛋鸡自由饮用,并设定同批次同数量蛋鸡作为对照,进行蛋鸡生产效果研究。结果表明,试验期......
Hg<sub>1-x</sub>Cd<sub>x</sub>Te（CMT）epilayers with corresponding wavelength of 10.6μm（x=0.2）were reproduciblygrown on GaAs......
Rock mass classification systems are the very important part for underground projects and rock mass rating (RMR) is one ......
Application of two-dimensional MXene materials in photovoltaics has attracted increasing attention since the first repor......
为研究发酵杜仲叶粉对蛋鸡蛋、肉品质和风味及盲肠微生物的影响,试验选取1800只、18周龄、健康、体重相近的京红蛋鸡,随机分为对照......
Current advancements on charge selective contact interfacial layers and electrodes in flexible hybri
Perovskite-based photovoltaic materials have been attracting attention for their strikingly improved performance at conv......
使用不同层数膜裹包玉米秸秆与鲜薯渣饲草,发酵贮藏6个月对饲草营养成分和发酵品质进行对比分析。得出4层、6层膜层数易出现破损现......
介绍了地理信息系统软件发展的组件化趋势,并阐述了MapX的主要功能与模型结构。通过一个应用实例,详细讨论了图层控制、信息查询及......
Using thermochemical treatments,boronized layers were successfully prepared on Al0.25CoCrFeNi high-entropy alloys(HEAs).......
We report the picosecond laser ablation of aluminum targets immersed in a polar organic liquid(chloroform,CHCl3)with~2 p......
对杉木纯林、杉木与木荷不同混交比例林分(3∶1和1∶1)的地上部分各层次(含树皮)水源涵养量进行调查分析,结果表明:树皮水源涵养量......
在本试验中，采用单因子试验设计方案，在基础日粮中添加60克／吨的地衣芽孢杆菌制剂喂养，研究在日粮中添加地衣芽孢杆菌制剂对蛋鸡产蛋率......
选用58周龄新扬州鸡产蛋母鸡300只，随机设计分为2组（对照组、低钙组）。每组5个重复，分别饲喂钙水平为3．5％、2．5％的玉米-豆粕型日粮．研究轻度......
从蛋鸡临床表现为产蛋下降、卵泡萎缩、卵泡膜出血为主要特征的发病蛋鸡的卵巢、输卵管、肝、脾等组织中分离到3株病毒。分离毒能......
840只150日龄柳州麻花种鸡,随机分为大蒜、松针、辣椒、茶叶、蒜辣、蒜辣茶、对照7个组,每组6个重复,每个重复20只鸡,比较它们对蛋......
