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The nucleotide and amino acid homology of the 5 isolates is higher than 94% and 96% respectively.

PRSV 5个分离物核苷酸序列的同源性在94%以上,氨基酸序列的同源性在96%以上。

In this study we mapped a grain length controlling gene named Lk-4 with SSR and CAPs markers by screening 800 recessive plants in a BC2F2 population derived from a cross of Shuhui527×Xiaoli and backcrossed with Xiaoli as the donor parent.

对F2和BC2F2 群体籽粒大小形状和千粒重的遗传分析表明,回交能将大部分对目的基因效应具有干扰修饰作用的微效基因多态性除去,从而有利于对目的基因型的准确鉴定;在F2和BC2F2群体中只发现两类籽粒长短表现型,即短粒和长粒,并且二者分离比例符合3:1的典型一对等位基因分离比例。

In one side, this model divides the user interface from the action, which improves the reusability of the code; in the other side, it divides the model from the action on it, which decouples the relation of each module.

将用户界面从动作控制器中分离出来,提高了代码的重用性;将数据模型从对其操作的动作控制器中分离出来,降低了各个模块间的耦合度。

The invention provides the technology used for identifying the bull X and Y sperm separation purity with low cost and simple, rapid, and accurate operation, and provides reliable technical support for the popularization and the application of the subsequent sexing semen and the optimization of a sperm separation method.

本发明提供了一种成本低廉,操作简便、快速、准确的鉴定牛X、Y精子分离纯度的技术,为后续性控精液的推广应用及精子分离方法的优化提供一个可靠的技术支持。

Methods:The factors including cyclodextrin,pH value,buffer concentration,voltage,and temperature,that influence separation of chiral isopmer were optimized.

通过探讨环糊精的种类、浓度,缓冲液的pH值、浓度、电压以及温度对分离的影响,选择手性分离的最佳条件。

A baseline separation of Sitafloxacin epimers was achieved with a background electrolyte of 10 mmol/L KH2PO4-K2HPO4 (pH 4.5), 10 mmol/L CuSO4, 20 mmol/L γ-CD and 10 mmol/L D-Phe. The linear range for Sitafloxacin was 32-400 mg/L (0.996). The relative standard deviations of migration time and peak area were less than 1.9% and 3.8% respectively.

实验结果表明,添加剂的种类和浓度是影响西他沙星手性分离的重要因素,只有当D-苯丙氨酸、铜离子和γ-环糊精同时存在并达到一定浓度时,西他沙星差向异构体在毛细管电泳中才具有良好的分离效果。

As endogenous jasmonates exist in enantiomers in nature and at level of nanogram/per gram fresh weight, it is very challenging work to develop rapid and accurate method for qualitative and quantitative analyses of JAs. This review paper summarizes the recent advances in the analysis of jasmonates including chromatography, capillary electrophoresis, chromatography-mass spectrometry and immunoassay.

内源茉莉酸类激素通常以多种手性异构体存在,且含量超微,因此,对内源性茉莉酸类激素进行准确的定性、定量分析具有很大的难度,研究高效分离富集、高灵敏度检测以及分离与检测联用等分析方法,对加速植物激素分子作用机理研究具有重大意义。

Self cleaning , durable , high speed dynamic separation device smoothers grinding media movement to provide better separation result .

动态间隙式的分离装置,使用超高硬度的碳化钨合金,耐磨性特佳,高速转动的动片使珠子不易滞留,并具有自动清洗作用,确保分离效果。

The three isolates have four specific replacements in 87 , 88 , 95 , and 119 in S1 hypervariable region, and a unique cleavage site R-X-R-T-G-R in 3' terminal region. These data may be valuable for investigation of molecular basis of the serotyping, tissue tropism and pathogenicity of these virus isolates.

本文的3个分离毒株Q1、J2和T3在S1高变区的87,88,95和119有4个特有的替换,在3'末端有独特的裂解位点R-X5-R-T-G-R,这些结果可能对这些分离毒株的血清型特异序列和组织趋向性和致病性的分子决定区方面的研究有重要的价值。

Firstly, synthetic racemates of β- amino acids were resolved into their enantiomers by ehiral ligand - exchange flash chromatography with L - hydroxyproline chemically bonded to irregular silica as the stationary phase and aqueous solution containing cupric ions as the mo

首先合成L-羟脯氨酸硅胶键合手性固定相,用于快速色谱中3-羟基-4-甲氧基-β-苯丙氨酸对映体的制备分离,考察了流动相中Cu^2+浓度、样品体积等因素对分离的影响。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

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