测定

After the studies on the fruit of Viburnum sargentii Koehne, it is showed that it has the effect to the cough and it has no toxicity; The active part is the acidity part. Through the GC-MS, we obtain 23 compounds from the volatile oil. By HPLC analytical method, the content of chlorogenic acid is 0.82%.

本文通过对小鼠氨水引咳实验和急性毒性实验，证明了本品的止咳作用，并且没有毒性；在有效部位的筛选中，确定其有效部位为NaOH洗脱部分；在挥发油的成分测定中，共分离出32个峰，鉴定出23个化合物，占挥发油总量的95％以上；在绿原酸的含量测定中，测出其绿原酸含量为0.82％。

And the molecular weight of two siloxane samples was determinated by 29 Si\|NMR and viscometry and compared as well.

对化纤油剂 PU中两组硅油的结构进行了分析，分别采用核磁共振和粘度法测定了硅油的相对分子质量，并比较了两者的测定结果。

A Novel Method for Intrinsic Viscosity Determination of Polymer SolutionThere are many methods for molecular weight determination of polymers, among which viscometry is used most, it has been broad applied both in production and scientific research.

高分子溶液特性粘度测定的新方法高分子化合物分子量的测定方法有多种，最常用的是粘度法，该法在生产和科研中已得到广泛的应用。

The viscometry is used to determine average number molecular weights of polyhydroxyalkanoates taking chloroform as solvent.

以氯仿作溶剂，用黏度法测定了多聚羟基烷酸的分子量，摸索了检测的最佳温度与溶液浓度，比较了黏度外推法与黏度单点法测验结果，建立了黏度法测定多聚羟基烷酸平均分子量的操作方法。

Procedure was qualitatively studied by the way of light scattering , electron microscopic projection , gravity test and viscometry .

通过光散射，电镜投射，比重测定和粘度测定等手段对聚合过程做了定性分析和研究。

A Novel Method for Intrinsic Viscosity Determination of Polymer SolutionThere are many methods for molecular weight determination of polymers, among which viscometry is used most, it has been broad applied both in production and scientific research. This method is easy to operate with simple instruments and is applicable for broad-range molecular weight, additionally, it has high precision.

在许多情况下，常需要对同种类聚合物的特性粘度进行大量重复测定，如果都按此法操作，每个样品至少要测定3个以上不同浓度溶液的相对粘度，这是非常繁琐的，而且需时较长，尤其在所得样品量极少的情况下，就难以用此法求得高聚物溶液的，为此，人们找到了更快速的近似方法，即"一点法"。

The effects of particle sedimentation,solvent swelling,shear rate and measurement time on oil-coal slurry apparent viscosity measurement was studied and a rotary viscosimeter measurement method for oil-coal slurry viscosity was presented in this work,which provide a reference for measuring the oil-coal slurry viscosity in laboratory and factory.

考察了沉降速率、溶胀时间、剪切率、测定时间等因素对油煤浆表观黏度的影响，给出了采用旋转黏度计测量油煤浆表观黏度的方法，为实验室和工厂中油煤浆黏度的测定提供参考。

It was more appropriate to define the posterior commissure as the posterior margin of HF volumetry, the determination of volume range of HF was helpful in lateralization of temporal lobe epilepsy. 3D MPRAGE was superior to SE in the volumetry of HF.

后连合作为HF体积测定后界较合适，HF正常值的制订有利于颞叶癫痫的定侧。3D MPRAGE序列较SE序列用于HF体积测定更为优越。

After decomposition of Mn-Ag concentrates and raw Ag powder samples with HCl-HNO_(3)-H_(2)SO_(4), Ag in the sample solutions was determined by KSCN- volumetry .

对某地锰银精矿及冶炼半成品———粗银粉，采用湿法溶样后，直接采用硫氰酸钾容量法测定Ag，对w为0.22%～70.96%的样品，测定结果与原子吸收法以及火试金容量法结果相符。

With a model of reversible middle cerebral artery occlusion in rats, the effects of Losartan on the water content of the brain, the contents of Evens blue and the expression of MMP9 were investigated after 24 hours of reperfusion following two hours of cerebral ischemia.

采用血管内栓线阻断法制备大鼠局灶性脑缺血再灌注损伤模型，于脑缺血2？h、再灌注24？h后测定脑组织含水量、伊文斯蓝含量，免疫组织化学方法测定MMP9表达。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。