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And also, we have done some researches on the Fresnel number of polygon slits, high efficient retroreflective film, the superluminal and/or subluminal velocities of beams in vacuum, the zero-field truncation technology, fractional Fourier transforms and so on.

同时,开展了多边形光阑菲涅耳数、高效逆向反光膜、真空中光束的超光速与亚光速现象、零场截取技术、分数付里叶变换等相关领域作了研究。

ZnO nanoparticles were surface-modified by surfactants such as span-60,oleic acid,sodium laurate,andx as surface-modifier,and were added at the concentration of 0.5% in lquid paraffin to perform sedimentate test.

以山梨糖醇酐三油酸酯(span-60)、油酸、月桂酸钠和氟碳(C—Fx为表面活性剂对纳米氧化锌进行表面修饰,将修饰过的纳米氧化锌添加到液体石蜡中,使其质量分数为0.5%,进行沉降实验。

Maybe you feel like your teacher's giving you lower grades than you deserve, or is more snippy to you than to the rest of the class. Or it might feel like your teacher just likes to pick on you.

或许你觉得老师不该给你这么低的分数,或者感觉老师对你比对其他学生更没有耐心,还可能感觉老师就喜欢跟你过不去。

A mixed solutizer (volume ratio of methanol: MTBE: DMC: isopropyl alcohol: cresols= 4:2:1:1:1) was selected and used with lithium isocaprylate in a mass ratio of 85:15 to form a complex antiknock additive ensuring the fully solution of lithium isocaprylate in gasoline.

当混合增溶剂 [V∶V∶V∶V∶V=4∶2∶1∶1∶1]和异辛酸锂的质量分数分别为85%和15%时异辛酸锂可以与汽油互溶。

A respiratory specialist, blind to the test results, classified all 238 subjects with respect to the presence of asthma. The classification was based on respiratory symptoms, spirometric results, atopy, and fraction of exhaled nitric oxide values and response to inhaled beta(2)-agonists.

根据其哮喘表现情况,即:呼吸道症状、肺活量测定结果、特应性和呼气中一氧化氮分数以及对吸入性β2受体激动剂的反应特点,呼吸科专家将该238例受试者进行分组。

On the basis of single-factor experiments, the effects of different temperature, time and ethanol weight percent on the extraction yield of total alkaloid from Radix Stemona were investigated with a three-factor Box-Behnken centerunited design. The extraction parameters were optimized with Response Surface Methodology.

在单因素试验的基础上,选取百部总生物碱提取温度、提取时间和乙醇质量分数3个因素进行Box-Benhnken中心组合设计,利用响应面分析法对其提取工艺参数进行优化。

The peak of stimulatory action was at 36 hours and 72 hours post-rhIL-7 treatment respectively.

将白血病细胞与100ng/ml浓度rhIL-7在37℃,体积分数为5%CO〓,饱和湿度条件下分别孵育18小时、36小时、72小时和120小时,结果显示白血病细胞在rhIL-7诱导后18小时B7-1和B7-2的表达开始增加,到36小时和72小时达高峰。

SAP was produced by administration of 5% sodium taurocholate into the pancreatic duct.

采用质量分数为5%的牛磺胆酸钠胰胆管逆行注射方法建立SAP模型。

By means of UV、IR and GC, we preliminarily analyzed the components, structures and content of the fatty acids in Trichosanthes kirilowii oil, and we also analyzed the structure of trichosanic acid .

并采用杂环化法衍生化瓜蒌仁油,应用气相色谱-质谱联用法对瓜蒌酸进行结构鉴定及含量测定,确定了瓜蒌酸的结构为C18:39c,11t,13c,采用峰面积归一化法计算出其相对质量分数为41.82%。

The optimum conditions were achieved and demonstrated as follows: ethanol solution (volume fraction as 60 %) as extraction solution, the ratio of materials to solution as 1:20, microwave power as 600 W and 2 mm extraction time. By the optimum conditions, the yield (83.7%) of flavone from Trollius chinensis Bunge was obtained at 83.7%.

实验结果表明:微波辅助提取金莲花黄酮的最佳工艺条件是体积分数60%乙醇为溶剂,每克料浸提剂体积为20mL,微波功率600W,温度60℃,提取时间2min。

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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

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