查询词典 acid

The main volatile chemical components were n-hexadecanoic acid (24.03%), dodecanoic acid (6.20%) tetradecanoic acid (6.44%), 6, 10, 14-trimethyl-2-pentadecanone (4.03%), nonanal (4.54%), anthracene (4.26%), benzeneacetaldehyde (4.25%).

主要成分有：正十六酸(24.03)%、十四酸(6.44%)、6，10，14-三甲基－2-十五烷酮(4.30%)、壬醛(4.54%)、蒽(4.26%)、苯乙醛(4.25%)。

High-sulfur hot spring water in ancient description: hot spring water from 2500 meters underground granite, dolomitic limestone and gneiss crust between the ancient hot springs, hot spring water has been formed last million years, year-round water temperature of 50-60 ℃, a liter water the sulfur content of more than 2 mg in the rich oxygen, silicon, aluminum, iron, calcium a variety of ancient trace mineral elements, PH value of 7 are weak acid, such as lactic acid in yogurt not only offer intestinal alkaline substances in the change into a weak acid substances, but also have anti-bacterial material substances, inhibition of intestinal bacteria breeding corruption and activities, thereby reducing the intestinal harmful substances on human health has a very good role.

高硫磺远古温泉水质介绍：温泉水来自地下2500米花岗岩、白云质灰岩和片麻岩之间的地壳温泉，温泉水已经形成上亿年，又称&远古温泉&，常年水温50-60℃，每升水中的硫磺含量在2毫克以上，富含氧，硅，铝，铁，钙等多种远古微量矿物元素，PH值7属于弱酸性，如酸奶中的乳酸不但能使肠道里的弱碱性物质转变成弱酸性物质，而且还能产生抗菌物物质，抑制肠道中的腐败菌的繁殖和活动，从而减少肠道内的有害物质，对人体具有非常好的保健作用。

objectiveto determine the content of the tritepenoidic acid in dracocephalum moldavica l .methodswith oleanolic acid as the standard,5% vanillin-acetic acid and perchloric as the developer,colorimetric method was applied.

目的测定香青兰全草中总三萜酸成分含量。方法以齐墩果酸为指标，采用香草醛-冰醋酸及高氯酸显色后用分光光度法测其含量。

Elaeis GuileensisAcid Elaeis Guileensis Kernel Acid, Palm Fatty Acid and Palm Kernel Fatty Acid

棕榈脂肪酸。功能：提炼自棕榈果核，具柔软肌肤特性，亦可做为清洁剂。

Experiments show that water solution contained 0. 5 -1 % sodium sulfate and 1 - 2% acetic acid is treated by means of electrodialyzer of 200 × 400mm assembled with tri - membrances and 19% sodium sulfate and 20% acetic acid are recovered by concentrating and separating. The content of salt and acid in the purified water is less than 0. 01%, current efficiency greater than 85 %, flow length in 3 ~ 5m and power consumption about 40 ~ 50 kwh/t.

实验表明，含0.5～1％硫酸钠、1～2％乙酸的水溶液通过三对膜组装的200×400mm电渗析器，分别得到含19％硫酸钠、20％乙酸的浓缩液，外排水中盐和酸的含量小于0.01％，电流效率大于85％，流程长度3～5m，耗电量40～50kwh／t。

Complete acid hydrolysis of the peptide followed by amino acid analysis yielded equimolar amounts of Leu, Orn, Phe, Pro, and Val. Orn is ornithine, an amino acid not present in proteins but present in some peptides .

此肽完全水解，然后经氨基酸分析产生等摩尔的Leu，Orn，Phe，Pro和Val，Orn为鸟氨酸，是蛋白质中不存在而存在于某些肽中的一种氨基酸。

Rapeseed is one of the major oilseed crops over the world. High quality is the focus of rapeseed breeding in many countries, including decreasing the contents of erucic acid, glucosinolates, fiber and linolenic acid, and increasing the contents of oleic acid and protein.

油菜是世界上最主要的油料作物之一，目前各国都在大力发展优质油菜，主要表现在降低种子中的芥酸、硫苷、亚麻酸及纤维素含量，提高油酸和蛋白质含量。

Erucic acid was positively correlated with seed protein linolenic acid and arachidonic acid.

芥酸与种子蛋白质、亚麻酸、花生烯酸间均呈极显著正相关。

Copolyesters of sebacic/terephthalic acid series was synthesized by the condensation polymerization of sebacic acid and terephthalic acid with ethanediol and neopentyl glycol.

论文采用癸二酸、对苯二甲酸与乙二醇、新戊二醇进行缩聚反应，合成了癸二酸/对苯二甲酸系共聚酯。

It contains ethylic acid,organic acid,alcohol,sugar,mineral substances,vitamins and amino acid etc. And so it has a high nutritive value and a strong health function.

以柿子为原料，采用固液发酵法生产的柿子醋，含有醋酸、有机酸、醇、糖、矿物质、维生素和氨基酸等成分，营养价值高，保健作用强。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。