查询词典 acrylic acid

These components were oleic acid, methyl cis-9-octadecenoate, linoleic acid, methyl linoleate, stearic acid, methyl octadecanoate, methyl linolenate, palmitic acid, methyl hexadecanoate, erucic acid and myristic acid. The sample was dissolved in methanol after extraction from the products.

这11种常见的脂肪酸及脂肪酸甲酯为豆蔻酸、亚油酸、棕榈酸、油酸、亚麻酸甲酯、硬脂酸、亚油酸甲酯、棕榈酸甲酯、油酸甲酯、芥酸和硬脂酸甲酯。

As we known, fatty acid mainly composed of palmitic acid（6-8%）, stearic acid（1-2%）, oleic acid（7-10%）, linolic acid（60-70%） and -Linolenic acid（7-10%）.

脂肪酸主要是棕榈酸（6-8%）、硬脂酸（1-2%）、油酸（7-10%）、亚油酸（60-70%）和—亚麻酸7-10%组成。

The results shows that the young leaves and stems of the plant contained crude protein,crude fat,crude fibre,VB1,VB2,VB6,carotene,K,Na,Ca,Mg,Fe,Mn,Zn,Cu,palmic acid,stearic acid,oleic acid,linolic acid,linolenic acid,and and 17 kinds of amino acid.

结果表明，其嫩叶和嫩茎含有粗蛋白、粗脂肪、粗纤维、VB1、VB2、VB6、胡萝卜素、K、Na、Ca、Mg、Fe、Mn、Zn、Cu以及棕榈酸、硬脂酸、油酸、亚油酸、亚麻酸和17种氨基酸。

The experimental results showed that, monochloroacetic acid and dichloroacetic acid enhanced photocatalytic hydrogen generation activity, but trichloroacetic acid did not improve it. The amount of produced H_2 increases almost proportionally to the irradiation time within 5 h irradiation. The photocatalytic oxidation of monochloroacetic acid and dichloroacetic acid mainly produced CO_2, HC1 and CH_2O, the photocatalytic oxidation of trichloroacetic acid mainly produced CO_2 and HCl.

实验表明，一氯乙酸、二氯乙酸的存在明显地提高了制氢反应效率，而三氯乙酸的存在却不能起到促进作用；反应5h内，反应生成氢的量与反应时间成线性关系；一氯乙酸、二氯乙酸光降解产物主要是CO_2、HCl和CH_2O，三氯乙酸光降解产物主要是CO_2和HCl；研究了溶液pH值对放氢反应的影响；在实验浓度范围内，一氯乙酸、二氯乙酸浓度对放氢反应的影响，表观上符合Langmuir-Hinshelwood关系式；考察了一氯乙酸、二氯乙酸在光催化剂表面的吸附。

The results showed that myristic acid(14∶0) and linoleic acid (18∶2) were significantly increased,and positively correlated with the levels of TC, TG, LDL-C and apoB;while the levels of docosahexaenoic acid (DHA,22∶6),arachidonic acid (20∶4) and docosatetraenoic acid (22∶4) and stearic acid(18∶0) are significantly decreased, and inversely correlated with the levels of TC, TG, LDL-C and apoB in patients with hyperlipemia.

结果表明：患者肉豆蔻酸(14∶0)和亚油酸(18∶2)明显增高，与总胆固醇、甘油三酯、低密度脂蛋白-胆固醇和载脂蛋白B水平呈正相关；而二十二碳六烯酸(DHA，22∶6)、二十碳四烯酸(AA，20∶4)和二十二碳四烯酸(22∶4)以及硬脂酸(18∶0)明显降低，与TC、TG、LDL-C和apoB水平呈负相关。

The unsaturated fatty acid consists of linolenic acid 10.0-21.5 %, oleic acid 6.0-12.6%, C16 olefine acid 0-4.4%, C17 olefine acid 0-6.3%, C18 olefine acid 0-4.5 %, monoglyceride 0-6.0 % and beta sitosterin 0-5.1%.

其特征在于：采用分子蒸馏装置在确定的操作参数下进行分离提纯。

The six kinds of nanoparticles water dispersion were as follows:rotenone/carboxymethyl chitosan-grafted-ricinoleic acid(Rot/CMC-g-RA), azadirachtin/carboxymethyl chitosan-grafted-ricinoleic acid(Aza/CMC-g-RA),capsaicin/ carboxymethyl chitosan-grafted-ricinoleic acid(Cap/CMC-g-RA),rotenone/ricinoleic acid sodium,capsaicin/ricinoleic acid sodium,azadirachtin/ricinoleic acid sodium.

分别为：鱼藤酮/羧甲基壳聚糖接技蓖麻油酸共聚物(Rot/CMC-g-RA)、辣椒碱/羧甲基壳聚糖接技蓖麻油酸共聚物(Cap/CMC-g-RA)和印楝素/羧甲基壳聚糖接技蓖麻油酸共聚物(Aza/CMC-g-RA)纳米粒子水分散制剂，以及鱼藤酮/蓖麻油酸钠、辣椒碱/蓖麻油酸钠和印楝素/蓖麻油酸钠纳米粒子水分散微乳液。

The important role of hydroxycinnamic acids,i.e.,caffeic acid, chlorogenic acid,sinapic acid,ferulic acid,3-hydroxycinnamic acid (3-HCA) and 4-hydroxycinnamic acid(4-HCA) as the pBR322 plasmid DNA-Cleaving agents in the presence of Cu ions was investigated.

我们研究了羟基肉桂酸衍生物即咖啡酸、绿原酸、芥子酸、阿魏酸、3-羟基肉桂酸(3-HCA)和4-羟基肉桂酸(4-HCA)在Cu存在下诱导pBR322质粒DNA链断裂损伤情况，结果发现HCAs的促氧化活性与它们的分子结构有密切的关系，具有邻二羟基结构和邻二甲氧基羟基结构的化合物表现出了更高的促氧化活性，其中CaA的活性最高。

Their structures were characterized as usnic acid,evinic acid,perlatolic acid,olivetoric acid,2-hydroxyl-4-methoxyl-6-pentyl benzoic acid and 2,4-dihydroxyl benzoic acid,respectively.

结果从太白花的石油醚部分得到6个化合物，分别鉴定为：松萝酸、去甲环萝酸、珠光酸、漂红梅衣酸、2-羟基-4-甲氧基-6-正戊基苯甲酸和2，4-二羟基-6-正戊基苯甲酸。

The main intermediates were detected during decomposition,such as acetic acid,oxalic acid,malonic acid,phenol,3-hydroxyhypnone,naphthalene,benzene sulfonic acid,phthalic acid,β-naphthalene etc . by ultraviolet-visiblespectroscopy,ion chromatographand gas chromatograph coupled with mass spectrophotometertechniques.The possible degradation pathway of Acid Orange Ⅱ was also speculated,that was,hydroxyl radical reacted with the azo linkage-bearing carbon of naphthol-ring,and the C—N cleaved,the azo-dye decolored and mineralized.

运用紫外光谱、离子色谱、色谱-质谱联用等方法，测定出酸性橙Ⅱ的主要降解产物有乙酸、乙二酸、丙二酸、苯酚、3-羟基苯乙酮、萘、苯磺酸、邻苯二甲酸、β-萘酚等，并依此推测酸性橙Ⅱ的降解机理，即羟基自由基攻击酸性橙Ⅱ分子上与萘环相连的C—N键，导致C—N键的断裂，进而染料脱色矿化。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。