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standard differential
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  标准差
     The p-phenylenediamine in samples is extracted with ethyl acetate. The method has some advantages,such as high sensitivity and stability. The relative standard differential was 2% and the recovery was 96.7% to 102.1%.
     该文介绍了一种用毛细管柱气相色谱法快速测定染发剂中的对笨二胺的方法 ,采用乙酸乙酯提取 ,加标回收率在 96 .7%~ 10 2 .9% ,相对标准差为 2 % ,测定结果令人满意
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     The flavone in peanut hulls is extracted with actone. The method has some advantages,such as high sensitivity and stability. The reiative standard differential was1.8%and the average recovery was100.7%.
     介绍了用分光光度测定法测定花生壳中总黄酮含量,采用丙酮提取,加权平均回收率在100.7%,相对标准差为1.8%,测定结果令人满意。
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  标准差速器
     Design analysis of standard differential in a scraper
     铲运机标准差速器的设计分析
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  “standard differential”译为未确定词的双语例句
     Compensation of All Parameters Concerned for the Standard Differential Pressure Device in Start up and Part Load
     标准节流装置在启动和低负荷工况的全补偿
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     According to clinical observation for 14 years,they summaries the diagnosis standard,differential diagnosis standard and assessment method(MPQ and VAS) of CP in SCI. They also proposed that synthetic therapy may be more suitable for it's treatment.
     根据14年的临床观察,归纳出其诊断标准和鉴别诊断标准,其评测应采用莫克吉尔疼痛答卷和视觉模拟评分法进行,治疗宜采用综合疗法。
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     First We introduce the H. 264 coding standard, differential encoding, Cake marry movement Predicted method, normalisation norm, Variable dimensions,motion compensation, Much assumption motion compensation.
     264标准中的差分编码、块匹配运动预测法、归一化准则、可变尺寸块运动补偿、多假设运动补偿。
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  相似匹配句对
     Which is the standard?
     采用什么标准评价?
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     Standard
     标准
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     Differential Characters of the Advanced Encryption Standard
     高级加密标准的差分特征
短句来源
     Design analysis of standard differential in a scraper
     铲运机标准差速器的设计分析
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     Differential phase
     微分相位的测量
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  standard differential
Both approaches are thought to be necessary for cross-verification of the standard differential form of continuity equation.
      
To further explore this from experimental surface EMG signals, we compare the recordings from a selective multiple concentric ring electrode against those derived from a standard differential EMG electrode situated over the same muscle.
      
The sine(hyperbolic)-Gordon hierarchy is shown to be the extension of the modified Korteweg-de Vries (MKdV) hierarchy in the integrodifferential algebra extending the standard differential algebra by means of one antiderivative.
      
The sine(hyperbolic)-Gordon hierarchy is shown to be the extension of the modified Korteweg-de Vries (MKdV) hierarchy in the integrodifferential algebra extending the standard differential algebra by means of one antiderivative.
      
The physical ageing characteristics of glucose, fructose, and their mixtures were studied using standard differential scanning calorimetry (DSC).
      
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Abstract Using a set of standard differentials of Golden et al. (1970), we determined the race type uf soybean cyst nematode population collected from Changping experimental base of CAAS in suburban Beijing. The results identified in clay pots and in plastic bags (20 ×4.5 cm) indicated the reactions on every differential were significantly (+). According to the classfication scheme by R. D. Riggs and D. P. Schmitt (1988) this population is race 4 of soybean cyst nematode. Which strongly verified...

Abstract Using a set of standard differentials of Golden et al. (1970), we determined the race type uf soybean cyst nematode population collected from Changping experimental base of CAAS in suburban Beijing. The results identified in clay pots and in plastic bags (20 ×4.5 cm) indicated the reactions on every differential were significantly (+). According to the classfication scheme by R. D. Riggs and D. P. Schmitt (1988) this population is race 4 of soybean cyst nematode. Which strongly verified that there is race 4 of soybean cyst nematode distributed in suburban Beijing.

利用国际上通用的一套标准鉴别品种,对采自中国农科院昌平基地大豆试验田的大豆孢囊线虫群体进行了生理小种鉴定。温室盆栽鉴定和塑料钵柱鉴定结果表现一致,各个鉴别品种根部都着生较多的孢囊,孢囊指数最低为49.8%,对孢囊线虫的反应极明显地全部表现为(+)。按Riggs和Schmitt(1988)的划分标准,该线虫群体为4号生理小种。这一结果极有力地证实北京地区有4号生理小种分布。

In this paper, we discuss the system of linear differential equation x = A(t)x. where A(t) is almost periodic.The system has an exponential dichotomy and some other properties. We can prove that the system is topologically equivalent to the system of standard differential equation xi= eixi(i = 1,2, …,n). Where ei = 1 or -1.We can take the topological equivalence to be almost periodic.

ONTHETOPOLOGICALEQUIVALENCEOFALMOSTPERIODICSYSTEMSOFLINEARDIFFERENTIALEQUATIONWangHongxi(汪宏喜)(AnhuiAgriculturalUniversity,安徽农...

The experiment showed that the recirculation length in plane step flow strongly dependson the upstream boundary conditions of turbulence, (i.e. the turbulent shear stress), butthe standard differential Reynolds stress model DSM can not reflect this experimental fact,since it is not sensitive to the upstream boundary condition of turbulent stress. It wasfound in the present paper that the main cause is due to the rapid isotropy model of Φij,2,which would severely hinder the transmission of messages of nonisotropic...

The experiment showed that the recirculation length in plane step flow strongly dependson the upstream boundary conditions of turbulence, (i.e. the turbulent shear stress), butthe standard differential Reynolds stress model DSM can not reflect this experimental fact,since it is not sensitive to the upstream boundary condition of turbulent stress. It wasfound in the present paper that the main cause is due to the rapid isotropy model of Φij,2,which would severely hinder the transmission of messages of nonisotropic turbulent structureat boundaries. A new differential Reynolds stress model K- ξ LADSM sensitive to theBoundary Conditio11 of Turbulent Structure was suggested in the paper. The new modelwas tested using two calculation cases of step flow, and the comparisons with the experimentdata were favorable.

文献中有实验证明内部流动对其上游来流湍流量的边界条件有很强的依赖性,但标准的微分应力模型DSM对湍流应力的边界条件不敏感,因而无法反映这个实验事实,本文发现其主要原因在于Φij,2的快速各向同性化模型.为此本文提出了一个对湍流结构的非各向同性的边界条件敏感的微分应力模型K-ξLADSM.计算了(平面的和轴对称的)突扩通道流动,与实验作了多方面的比较,发现DSM确实比ASM和EVM有所优越处,LADSM又比DSM有明显改进

 
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