测定

This paper studied the dynamic pattern of nutrient components of cluster leaf rosinweed at different growth periods.

测定串叶松香草在叶丛期、抽苔期、开花期和成熟期的营养成分含量，同时选择装有永久性瘤胃瘘管的小尾寒羊与杜泊羊杂交一代羊6只，测定各生育期常规营养的瘤胃降解动态。

Ruggedness of an analytical method is the degree of tolerance that the determinating result is not affected when there is small change in the operational condition.

Ruggedness 耐用性指测定条件有小的变动时，测定结果不受影响的承受程度。典型的变动因素有：被测溶液的稳定性，样品提取次数、时间等。

A method is described for the determination of ruthenium in solidified radioactive waste by flame atomic absorption spectrometry.

研究了火焰原子吸收法测定放射性废物固化体浸出液中模拟核素钌的测定方法。

Objective To investigate neutral saccharide composition in a soluble tea polysaccharide and their influence on determination of the uronic acid content in order to determine it accurately.

目的研究一种水溶性茶多糖中的中性糖组成及其对糖醛酸含量测定的影响，为准确测定茶多糖中糖醛酸含量提供参考依据。

The present invention is method and standard for measuring safflower content in skin itch treating preparation.

本发明涉及一种测定治疗肤痒制剂中红花含量的方法及测定标准。

A new method based on the spectrophotometric system of nitrite N and safranin\|T has been developed for the determination of nitrite in this paper.

研究了在酸性条件下，亚硝酸盐氮与番红 T体系的分光光度测定，提出了一种测定亚硝酸盐氮的新方法。

In pH value 6.40 Clark-Lubs buffer solution, the fluorescence intensity of safranine T and sodium dodecyl benzene sulfonatewas determined. After adding organophosphorus pesticides, the fluorescence intensity was determined. Based on this, a new fast and simple method for determination of the organophosphorus pesticides total-residues was developed.

方法］在pH值6.40的Clark-Lubs缓冲溶液中，加入碱性藏花红与一定浓度的十二烷基苯磺酸钠，测定荧光强度，再加入有机磷农药，检测荧光强度变化，据此建立测定有机磷农药残留总量的新方法。

The chemical components of three kinds of wild animal, Saiga tatarica,Gazella subgutturosa and ovis ammon, were preliminarily studied.

本文对赛加羚羊角、鹅喉羚羊角、盘羊角等三种野生动物角的化学成份进行了初步研究，主要内容包括17种氨基酸含量的测定，9种无机元素含量的测定及氮、磷含量的对照分析。

By using high performance liquid chromatographycombined withthin-layer chromatography,three PG:salicin,salicortin and deltoidin weredetected in the bark of P.deltioides,Five kinds of PG were detected in the leaves,which included trmuloidin and tremulacin besides the three PG.

采用薄层色谱与高效液相色谱法相结合的方法，在实验材料的树皮中测定到三种主要的酚甙类物质：水杨甙、柳皮甙和美洲黑杨甙，在叶片中测定到5种酚甙类物质，除上述3种物质外，还包括2′-苯甲酰水杨甙和颤杨甙，对于后两者在前人的研究中未见报道。研究还对5种化学物质进行了分离。

The charomatographic conditions of separation and direct dermination of benzophenone-4(MS40), salizyle acid sodium, salol, benzophenone-3(M40), octyl dimethyl PABA(6007), butyl methoxy dibenzoyl methane(1789), octyl methoxyl cinnamate and octyl salicylate(587) from u-Bondapak C18 Column were studied with methanol-water-THF as elution. A HPLC method for these compounds was founded.

研究了用甲醇-四氢呋喃-水作为流动相，从C18柱上分离和测定羟苯甲酮-5-磺酸(MS40)、水杨酸钠、水杨酸苯酯、羟苯甲酮(M40)、对-二甲酸氨基苯甲酸-2-乙基己酯(6007)、4-叔丁基-4-甲氧基二苯甲酸甲烷(1789)、对-甲氧基肉桂酸-2-乙基己酯、水氧酸-2-乙基己酯(587)等8种紫外线吸收剂的色谱条件，建立了用HPLC测定上述物质的方法。

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。