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We designed primers according to the sequence of Genbank from Bifidobacterium breve and have cloned the putative isomerasekey gene and several fragments from the genome DNA of Lactobacillus acidophilus .

根据Genbank中短小双歧杆菌中可能的共轭化酶的序列资料,设计引物,克隆了可能的基因及几个片段并测序,其基因功能有待进一步验证

This method has the briefer computing and higher calculating precision, and its parameter is inputted easily.

该方法具有计算简捷、精度高和参数输入方便的特点,并用实际案例进行了验证

This paper analyzes the development of lithium bromide aqueous falling film absorption process seriously.

本文认真分析了溴化锂降膜吸收过程研究的发展现状,针对上述问题,对最简单的竖板降膜吸收过程发展了现有的理论计算模型,并做了实验验证

After mainenervations being drawn out and being dried for 4 hours at 60℃,1156 samples of tobacco leaves from different tobacco producing-area were made into powder (≤0.13 mm). Reducing sugar, total sugar, nicotine, nitrogen, potassium and chlorine of more than 1000 samples from different tobacco producing-area were determined with classical chemical or instrumental methods. By scanning these samples with Fourier transform Near Infrared spectrometer (MARIXT-I produced by Bucker) we obtained their spectrograms, pretreated the spectrograms with a chemometrics software (OPUS 5.5) to debase the noises influence on spectrum information, and built a chemometrics model by means of Partial Least2Squares. The chemometric model was optimized some times and validated with some other samples.

选取全国不同烟草生产地区的1156余烟叶样品,采用相同的预处理条件(去处主脉,60℃烘干4小时),处理成40目待测粉末样品,采用行业经典的化学分析方法或准确可靠仪器方法测定其常规成分含量,在条件一致(20℃~24℃,环境湿度≤40 RH%)的实验室环境中,使用市场上主流的傅立叶变换红外光谱仪(德国BRUKER公司生产的MARIXT-I)上进行图谱扫描,采用OPUS5.5化学计量学软件,对光谱进行适当的预处理,减弱以至于消除各种噪声对光谱信息的影响,用偏最小二乘回归法建立常规成分预测模型,并进行了反复优化和未知样品模型外验证

The working process , the principle and the parameter calculation method of the Undeland buffer circuit .

分析了Undeland 缓冲电路的工作过程及原理,并介绍了缓冲电路参数计算方法,最后用仿真的方法验证了电路的缓冲效果。

The paper analyses the working process and the principle of undeland buffer circuit ,introduces the calculating method of parameter of buffer circuit ,and proves the effect of the circuit buffer by simulation.

分析了Undeland 缓冲电路的工作过程及原理,介绍了缓冲电路参数计算方法,最后用仿真的方法验证了电路的缓冲效果。

The analysis method of component evenly proved the aboveresults. So exploring the software of the Hyperchem to design the molecular struture for humic and fulvicacid have reliability. As the result, the Felbeck\'s model of the humic modle and Buffle\'s model of the fulvicacids had more reasonable molecular structure than other molecular structure models.

疏水性与折射性、极性、近似表面积、栅格表面、体积、质量在HA和FA与金属离子结合物模型上表现出的不同,应用主成分分析的结果正好验证了上述现象,说明此软件对于腐殖质结构设计具有一定的可信度。

ToPHAN and ToSTM seemed to co-opt into bulbil development. Their role thus remains to be explored by promoter analysis and functional analysis in the future.

相较於模式植物阿拉伯芥中,KNOX 基因与ARP 基因拮抗的关系,并没有在俄氏草中发现,它们似乎共同调控了珠芽的形成,需要进一步的功能性分析实验来验证

The results indicate that the bulge height and the plastic strain of the workpiece increase with the increase of temperature.

试验验证了模拟的可靠性和有效性,为确定合理的工艺参数提供理论依据。

First FDS code is verified by simulating the external burning experiments of Bullen and Thomas.

首先对Bullen和Thomas的实验进行数值模拟,用以验证FDS对外部燃烧现象的模拟效果。

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推荐网络例句

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国,慢性酒精中毒,肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题,你可以随时联系我。

Very pretty, but the airport looks more fascinating The other party wisecracked.

很漂亮,不过停机坪更迷人。那人俏皮地答道。