查询词典 radix

The density changes of Radix Puerariae and Flos Puerariae were determined in different concentration and time and enzyme dosage by the alcoholometer.

方法］利用酒精比重计测定葛根与葛花在不同用量、不同时间及不同酶用量的条件下与酒精作用的密度。

Methods Water-soluble component of Radix Morindae Officinalis was prepared and screened for the inhibitory effect on lens aldose reductase.

提取了中药巴戟天水溶性成分，以比色法检测其对大鼠和猪的晶状体醛糖还原酶的抑制作用。

Objective To study the effects of different solvents extraction to the alkaloid content of Radix Tinosporae.

目的 研究不同提取方法对金果榄提取物中盐酸药根碱与盐酸巴马汀含量的影响。

Results For gypsum fibrosum, the difference of amygdalin was significant(P.05), for Herba Ephedrae and Radix Clycyrrhizae, the influences were insignificant, and the interactions between two of three are insignificant too.

结果 石膏对方中苦杏仁普含量的影响差异存在显著性(P.05)，甘草、麻黄对苦杏仁普含量影响不显著，麻黄与甘草、麻黄与石膏、甘草与石膏对苦杏仁奋的含量影响交互作用不显著。

OBJECTIVE To determine the content of anthraquinone in Radix Polygoni multiflori from four different regions.

目的 考察4个不同产地何首乌中蒽醌类化合物的含量。

Objective To evaluate the effect of radix astragali in antiaging.

目的 研究黄芪的抗衰老作用及作用机制。

In design of floating-point division, we can use functional iteration arithmetic or very high radix division arithmetic. In the beginning, we use a look-up table to obtain an accurate initial reciprocal approximation, and reduce the time of delay.

在浮点除法器的设计中，若用函数迭代或高基数算法进行除法运算，计算开始时，通过浮点倒数查找表获得一个较精确的初始除数倒数近似值，可以减少除法的迭代次数，缩短运算的延迟。

Firstly it describes the development ,basic principle and application and propagation characteristic of mobile channel , then investigates the system structure of DAB transmitter and receiver separately and the key technology of realization of the digital audio broadcast system.And then discusses the system component of FFT －the demodulation module of OFDM .The 409- points FFT module employs a radix-4 decimation-in-frequency algorithm, includes arithmetic element , read and write address element ,twiddle factor element and control element , is realized by FPGA. In the end , the result is verified in the matlab .

首先概述了OFDM的发展、基本原理和应用以及移动信道的传播特性，接着分别研究了数字音频广播接收机和发射机的系统结构，以及数字音频广播系统实现的关键技术，然后详细论述了OFDM解调模块FFT的系统结构，主要研究了4096点FFT采用基－4按频率抽取实现的算法，整个FFT模块包括了运算单元、读写地址单元、旋转因子单元以及控制单元，并且在FPGA中进行了硬件实现，并在matlab环境下对结果进行了验证。

Objective: To survey the influence and mechanism of the coumarins from Radix Angelicae Dahuricae on the hypnotic effects of pentobarbital sodium and barbital sodium in mice.

目的：通过观察杭自芷香豆素对戊巴比妥钠和巴比妥钠催眠作用的影响，初步探讨其中枢作用及其发生机制。

The tests of heavy metals and residual pesticides in Radix Curcumae show that Cu,Cd,Hg,Pb and As as well as dichlorodiphenyl trichloroethane, benzene hexachloride, pentachloronitro benzene etc.

通过对2002年、2003年郁金GAP基地所产药材的重金属及砷盐和农药残留量的检测，确定采用适合药材检测、GAP认可的《药用植物及制剂进出口绿色行业标准》为检测依据和限量标准。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。