甲醛

N,N-Dimethyl dodecylamine was synthesized with dodecyl amine, formic acid and formaldehyde as raw material in this article.

以十二胺、甲酸和甲醛为原料，合成了N，N-二甲基十二烷基叔胺。

"You may find two kinds of toxic chemicals including formaldehyde and resolvable toxic aromatic amine dyes."

"你可能会在新衣服上发现两中有毒的化学物质–甲醛和有毒的可溶性芳香胺染料。"

Ammonium hydroxide solution, and can glucose, such as formaldehyde reduction effect produced by the reaction,"Silver Mirror." Industrial applications of inorganic.

氢氧化铵溶液中，能和葡萄糖、甲醛等起还原反应生成"银镜"。

Water, Cellulose Gum, Sodium Dodecylbenzenesulfonate, Rubber Latex, Fragrance, Formaldehyde, Ammonium Hydroxide.

水 ，纤维素胶，十二烷基苯磺酸钠，胶乳，香料，甲醛，氢氧化铵。

By means of adjusting the pH value of solution,we eliminated the effect of phosphate on ammonium which is determined by formaldehyde method.

文章通过调节溶液的pH值，消除磷酸盐对甲醛法测定铵根的影响，针对溶液中磷酸盐存在的不同形态，建立了含磷酸盐体系中铵根的快速测定方法。

At present, production and processing of amygdalin in China domestic market is limited to a single product, and discarded other products. In particular, amygdalin is discarded as toxic substances. This is not only wasted the resources but also caused environmental pollution.

目前，我国市场对苦杏仁产品的生产加工仅限于单一产品的开发，而丢弃了其他副产品，尤其是将苯甲醛的前体物质苦杏仁甙作为有毒物质丢弃，不仅造成了资源的大量浪费也使环境受到污染。

Bitter almond contains amygdalin and almond oil, amygdalin can be decomposed to benzaldehyde under acidic condition, benzaldehyde is one of the most widely used flavor in fragrance industry. Almond oil contains high contents of unsaturated fatty acids and VE, it is an advanced edible oil, also can be used in cosmetics materials.

苦杏仁含有2-4%的苦杏仁甙，苦杏仁甙在酶或酸的作用下水解后产生具有强烈的杏仁香气的苯甲醛—即苦杏仁精油的主要成分；另外，苦杏仁含有约50%左右的脂肪油，苦杏仁脂肪油含有大量不饱和脂肪酸以及VE，可直接作为高级食用油或高级化妆品的原料。

Methods This title compound was prepared using the O-phenylene diamine and the anisaldehyde as the raw material,methanol as the solvent,and the phosphoric acid makes the oxidant.

方法本课题以邻苯二胺和对甲氧基苯甲醛为原料，在甲醇为溶剂，磷酸为催化剂的酸性条件下，一步反应制得2-(4-甲氧基苯基)苯并咪唑。

The yield of the 3, 4-dihydropyrimidine-2(1H)-one was up to 95.4% under mole ratio of anisaldehyde, methyl acetoactate and urea is 1:2:5, ion-exchange membrane is 3 g, ethyl alcohol as solvent and refluxing for 2 h.

当对羟基苯甲醛、乙酰乙酸甲酯与脲的摩尔比为1：2：5，乙醇作溶剂，3 g离子交换膜，回流2 h，产物收率达95.4%。

Anisaldehyde was synthesized from p-hydroxybenzaldehyde with dimethyl carbonate by microwave irradiation under phase transfer catalyst tetrabutylammonium bromide, The effect of power, time, solvent and catalyst of reaction on yield were researched.

以四丁基溴化铵为相转移催化剂，采用对羟基苯甲醛和碳酸二甲酯为原料，微波辐射下合成大茴香醛。考察了反应溶剂、功率、时间和催化剂对反应产率的影响。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。