查询词典 determine the chemical composition of a substance

In summary, the additives improved the fermentation quality and the chemical composition of red clover silages.

通过利用添加剂可以改善红三叶青贮饲料的发酵品质和化学成分。

By comparing the composition of rare gas elements in the lunar regolith and in the solar wind, the authors analyze the physical, chemical and isotopic effect...

研究了月壤中氦- 3的含量与月壤颗粒大小、矿物组成、元素成分和结构特征的关系，并估算了氦- 3的资源量；探讨了月球表面的反射率；综合分析了月球区域性磁场的形成机制。

Renovation of the chemical composition is harmful to human well-known, it is not necessary for me to say.

装修的化学成份对人体有害是人人皆知的，就不用我说了。

Root and rhizome of Atractylodes, there was a significant difference in tissue characteristics, but no significant difference in the chemical composition.

关苍术根和根茎在组织特征上存在显著差异，但在化学成分上没有明显差别。

Since chemical composition and other characteristics are similar, it is quite diffictl to identify spinel from ruby and sapphires with unaided eye, which is the main reason that both gemstones have been confused long time.

尖晶石的呈色机理与红蓝宝石大体相同，化学成分和其他性质也很相似，靠肉眼来识别是不可能的，因此几世纪以来，二者一直混淆不清。不过，没有像黄色蓝宝石那样颜色的黄色尖晶石，因为使黄色蓝宝石至色的铁离子使尖晶石呈浅蓝或蓝绿色。

Research in safflower Flavonoids, the use of ethanol extract of saffron soaked in the chemical composition.

研究红花中的黄酮类物质，利用乙醇液浸泡提取红花中的化学成分。

The article is summarized as follows to its namely. 1 manage changes property Tekturna piece in advocate composition A Li Kelun exists with the form of acerbity salt of half rich horse, chemical name is (2S, 4S, 5S, acyl of 7S)-N-(2- amino armour base - 2- methylic propyl)- 5- amino - 4- hydroxyl - 2, 2 different of 7- propyl - 8-4- armour oxygen - 3-3- armour...

本文即对其概述如下。1理化性质Tekturna片中主成分阿利克仑以半富马酸盐的形式存在，化学名为(2S，4S，5S，7S)-N-(2-氨基甲酰基-2-甲基丙基)-5-氨基-4-羟基-2，7-二异丙基-8-4-甲氧-3-3-甲。。。

Chemical analysis showed that the fresh basalts and corestones slightly changed in composition except that variations in Fe(superscript 2+) to Fe(superscript 3+) are most noticeable. In the course of corestones changing to saprolite elements of Si, Ca, Na and Mg, the ratio of SiO2/Al2O3 decreased gradually, while the elements of Fe, Al and the values of LOI and CIA significantly increased.

化学全分析结果表明新鲜玄武岩与核心石在除Fe外，其它组分无明显的改变；核心石在转变为腐岩过程中Si、Ca、Na、Mg等元素逐渐流失，Fe、Al等逐渐富集，同时烧失量LOI和化学蚀变指数CIA显著增加，硅铝比逐渐减少。

Dung of cake, chicken, commodity date of organic fertilizer Ⅰ deserves to apply with chemical fertilizer respectively, the moderate of content of composition of tobacco leaf chemistry that production gives, candy / alkaline ratio, Potassium / chloric ratio is more harmonious, can improve tobacco leaf aroma to pledge apparently, increase tobacco leaf aroma to measure, scale of medium tobacco leaf rises on, increase tobacco leaf production value.

饼肥、鸡粪、商品有机肥Ⅰ号分别和化肥配施，生产出的烟叶化学成分含量适中，糖/碱比值、钾/氯比值比较协调，可明显改善烟叶香气质，增加烟叶香气量，上中等烟叶比例提高，增加烟叶产值。

The composition of soil animal community in Shanghai World Exposition Site was the typical semi-tropical one, which indicated that the whole soil health of this old industrial and residential area were good. But, exceptional vertical distributions were observed in a few sites, where need further analysis about their pollution and physical and chemical properties.

世博会会址区域是典型亚热带土壤动物群落的组成模式，反映出该处城市重工业区和老居民区内土壤的整体状况良好；但少数采样点中，群落结构垂直分布出现异常，需要加强对这些样点相关区域的土壤污染和土壤理化等质量状况的分析。2。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。