查询词典 quantitative determination

The utility of the limited backcross method for improvement of quantitative traits was discussed.

对采用不饱和回交方法改良数量性状进行了讨论。

The variance component of cross and backcross generations of quantitative character controlled by multigenes is studied on condition of chromosome translocation .

研究了染色体易位情况下，多基因控制的数量性状杂交及回交世代的方差组成。

In this essay, we summarized the characteristics of molecular marker-assisted selection, focused on improving qualitative and quantitative characters, backcross breeding and gene polymerization. At the same time, the problems and potential prospects of molecular marker-assisted selection have also been discussed.

综述了分子标记辅助选择的特点，重点介绍了分子标记辅助选择在水稻育种上的利用现状，主要包括质量性状改良、数量性状改良、回交育种、基因聚合等方面的应用进展，同时讨论了该技术存在的问题以及发展前景和展望。

Peripheral blood taken from 58 cases of patients with autoimmune diseases and 20 healthy controls were collected, and the expression levels of APRIL as well as BAFF mRNA in these peripheral blood and the coresponding proteins expressed in the blood plasma were determined by real-time quantitative assay and ELISA respectively.

收集58名自身免疫病患者以及20名健康对照的外周血，用实时定量RT-PCR方法检测PBMC中APRIL和BAFF mRNA的表达，用ELISA方法检测血浆中APRIL和BAFF蛋白水平。

Methods:180 HCV patients and 40 healthy controls were selected for the research, and their serum BAFF levels were detected by ELISA. The level of serum HCV-RNA in HCV patients was detected through fluorescent quantitative polymerase chain reaction and analyzed along with the clinical data of HCV patients.

选取180名HCV感染者及40名健康对照，应用酶联免疫吸附法测定血清中BAFF含量，荧光定量聚合酶链反应检测HCV感染者血清中HCV-RNA的水平，并结合HCV感染者临床情况分析。

According to the principles of economics and marketing ,this paper takes a qualitative and quantitative analysis to the major factors that affected market demand and supply of bamboo shoot products in Linan,Zhejiang Province.

以浙江省临安市为例，运用西方经济学、市场学的原理和方法，对影响竹笋产品市场供求的主要因素进行了深入的定性和定量分析。

CLIVE BANNISTER: Yes, it overturns it, in effect by doing quantitative analysis in twenty one countries, we show that people over the age of sixty and seventy are net givers not takers. How do we measure that?

克莱夫。班尼斯特：是的，确实推翻了这种说法，实际上，我们在21个国家所做的定量分析表明，60至70岁间的老龄人口是纯贡献者而非索取者，我们是如何评测的呢？

Quantitative structure-activity relationship studies showed that when the test grass was rape, their herbicidal activity was mainly related with substituent molar refractivity; when the test grass was barnyard grass, their herbicidal activity was mainly related with the electronic parameters of the substituents at the para-position of benzene ring.

定量的结构与活性关系研究表明，当作用对象为油菜时，化合物的活性可能主要与取代基R的摩尔分子折射常数有关；当作用对象为稗草时，化合物的活性可能主要与取代基R的电性参数有关。1-位为氢时，有利于对油菜生长的抑制；1-位为甲基时，有利于对稗草生长的抑制。

After semi-quantitative analysis, we know that BaSan Jade is translucene-opaque, its main wavelength is 485 nm or so, and stimulatory purity is about 0.38. The color of Basan Jade is mainly reflective spectrum, and then transmitting spectrum and absorbed spectrum.

半定量计算分析认为：八三玉为不透明-半透明的玉石；主波长约485 nm，刺激纯度0.38左右；颜色主要以反射光谱为主，兼以吸收光谱和透射光谱。

Establish a quantitative detection method in micro level of blood on the base of reagent box for detecting the TC, TG, and HDL-C in ordinary amount of blood .

为能够用小鼠做实验材料进行降血脂保健食品的动物实验研究，建立了用微量血测定血液中TC、TG和HDL-C的方法。

It's not quite as simple as that.

并没有那么容易。

It debuted in 1992 in Japan and the United Kingdom, and 1993 in the United States.

它首次亮相于1992年在日本和英国，在美国1993年。