标准测定

The content of 1,8-cineole in eucalyptus oil was determined using cyclohexanone or acetophenone as internal standard.

通过用环己酮和苯乙酮作内标物，对含量 80 %桉叶油中 1，8-桉叶油素含量的测定进行比较，结果表明，用苯乙酮作内标测定，标准偏差为 0 。2 7，变异系数为 0 。33%，而且毒性较小，是较理想的内标物。

Some morphological and physiological parameters of Li-1 and TM-1 weremeasured in this experiment. It showed that the contents of chlorophyll in Li-1 washigher than that in TM-1, but leaves areas and photosynthetic rate of Li-1 were lowerthan that of TM-1. The results indicated that lower photosynthetic efficiency and lackof assimilates would decrease the biomass of Li-1, and exhibited other abnormalphenotype such as curled leaves and fiber hypogenesis.

通过对突变体与标准系形态指标和生理指标的测定比较发现，虽然突变体的叶绿素含量高于标准系，但叶面积和光合速率低于标准系，说明生成同化产物的效率较低，这是造成突变体植株生物量较小的直接原因。

A sandwich ELISA was established taking the antiserum as the primary antibody. The sensitivity of the ELISA was 0.412 ng GH/ml of sample. Inter-assay and intro-assay coefficients of variation were 2. 58％(n=6) and 5. 69％(n=6) respectively. Serial dilutions of serum and pituitary homogenate from orange-spotted grouper yielded dose response curves that were parallel to the standard curve. And the GH of Acanthopagrus butcheri was also parallel to the standard curve. Prolactin of goldfish and recombinant growth hormone of common carp showed no cross-reactivity with the antiserum of orange-spotted grouper GH. It showed that the established RIA was specific and sensitive.

以斜带石斑鱼重组GH抗血清为第一抗体，羊抗兔抗体为第二抗体建立了双抗体夹心酶联免疫测定法，该系统的灵敏度为0.412ng GH／ml(n=6)，组内变异系数为2.58％(n=6)，组间变异系数为5.69％(n=6)，斜带石斑鱼血清和脑垂体稀释液曲线与斜带石斑鱼重组GH蛋白的标准曲线相平行、黑棘鲷GH的系列稀释曲线与标准曲线相平行，金鱼催乳素、重组鲤鱼GH的系列稀释曲线与标准曲线不平行，表明建立的斜带石斑鱼GH ELISA具有良好的特异性和重复性，灵敏度达到了测试血清样品中GH的水平。

The parameters of X-ray sensitometry ,such as sensitivity,gradation,gamma,fog,and resolving power,granularity,silver contents of emulsion layers of films and total thickness of coating layers of films produced in Russia and by foreign companies and the quality classification of these films by using recommended Russian standard of quality classifi.

介绍了无损伤检测用射线技术胶片的质量分类国际标准和俄国标准的要点，做了俄国国产和国外射线技术胶片的 X射线感光测定和解相力、颗粒度、含银量以及乳剂层厚度的检测，将这些胶片按推荐用于俄国的分类标准做了分类。

The national standard on the geotextiles and geotextiles -related products-determination of water flow capacity in their plane to establish the circumstancing was introduced in this paper,and describes the main evidence of the standard on the contents-the standard′s contents,index,etc.

介绍了土工布及其相关产品平面水流量测定的国标制定情况，叙述了该标准内容、指标等的主要确定依据，并对标准的应用情况进行了说明，以期标准的使用者能正确理解。

The results manifest that the concentration of glycocholic acid has satisfactory linear correlation whith peak area, regression equation: Y= 39579X + 57823,R2=0.9984;The lowest detected concentration is 0.02μg/mL with S/N=3 ; Average recovery rate is 98.49%; RSD为0.52%～2.00%in day, RSD为0.74%～4.98%between days;The average recovery rate is 99.35%, RSD is 2.24% in the first team, and it is 100.87%, RSD is 4.73% in the second team at the stability test. When the concentration of glycocholic acid was detected in the liver, kidney and brain tissue, corresponding tissue concentration was calculated by preparing the standard curve with the glycocholic acid standard preparation in vitro, but the result can only reflect the relative chang law of the concentration of glycocholic acid in tissue but not in real tissue. The result of tissue stability experiment is consistent with that of the serum experiment.

结果表明，在0.15625～10.0μg/ml范围内血清中甘氨胆酸浓度与峰面积呈良好的线性关系，回归方程Y= 39579X + 57823，R2=0.9984；以信噪比S/N=3为标准，最低检测浓度为0.02μg/ml；平均回收率为98.49%；日内RSD为0.52%～2.00%，日间RSD为0.74%～4.98%；稳定性试验第一组的平均含量为99.35%，RSD为2.24%，第二组的平均含量为100.87%，RSD为4.73%；测定了肝、肾、脑组织中甘氨胆酸含量，采用体外甘氨胆酸标准品制备标准曲线的方法计算了相应的组织浓度，其结果仅反映组织中甘氨胆酸浓度的相对变化规律，不能体现真正的组织浓度值，但对组织样品的稳定性进行了较细致的考察，其结果和血样结果基本一致。

The chemical indicators (BOD5, NH3-N and S) in the water body were determined and they overrun the fishery, water quality standard. Sulphuret approached the maximum limit in the fishponct water body.

测定稚鳖养殖池水体的化学指标其中BOD5，NH3-N，大大超过渔业水质标准及参考标准。S2-指标虽未超标但也接近标准的上限值。

Solubility of barium chloride and barium oxide in hydrochloric acid, ethanol,acetone,ether and hydrochloric acid- ethanol,hydrochloric acid- acetone,hydrochlo- ric acid- ether has beeen studied and the separation of Ba O from Ba Cl\- 2 with hydrochloric acidethanol as the solvent has been proposed.

研究了氯化钡和氧化钡在盐酸、乙醇、丙酮、乙醚及盐酸-乙醇、盐酸-丙酮、盐酸-乙醚中的溶解性，提出以盐酸-乙醇为溶剂进行两者的分离。以 DBC- CPA为显色剂分光光度法测定氧化钡的含量，加料回收率为 98%～ 10 2 %，氧化钡含量为 0 。32 %时，平行测定 7次，相对标准偏差为 1。 58%。该法适于快速测定热处理盐浴中氧化钡的含量，对监控盐浴品质有指导意义

The determination of industrial zinc sulphide content by redox titration method was introduced.

利用氧化还原滴定法测定工业硫化锌的含量，分析了影响硫化锌含量测定的因素，样品测定实验结果表明，该法样本合并标准偏差s_q=0。

Methods:Unconfident Pk deficiency subjects from associate hospitals of Kunming Medical College.PK activity,thermostability, PEP kinetics, ATP inhibition and optimum pH were measured by ICSH recommended methods to confirm deficient in PK.The contents of Na~,K~,Ca~(2+),Mg~(2+) in erythrocyte PK deficiency were quatitated by inductively coupled plasma atomic emission spectrometry.

以昆医附院提供的PK缺陷可疑患者为研究对象，按照国际血液学标准委员会推荐的方法，对PK缺陷一个家系进行活性测定、热稳定性测试、PEP亲和力试验、ATP抑制试验及最适pH值测定，应用电感耦合等离子体原子发射光谱法测定红细胞钠、钾、钙、镁离子浓度。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。