甲醛

OBJECTIVE TO study the quality of phthaladehyde and to design scientific system of phthalaldehyde formulation .the results demonstrate the phalaldehyde solution is stable and high germicide activity.

目的 通过对邻苯二甲醛特性的研究，科学地设计邻苯二甲醛的制剂体系，结果产生了稳定高效的杀菌活性。

Formalin A mixture of about 40% formaldehyde, 8% methyl alcohol, and 52% water (the methyl alcohol is present to prevent polymerization of the formaldehyde). It is a powerful reducing agent and is used as a disinfectant, germicide, and fungicide and also as a general preserving solution.

福尔马林：40﹪的甲醛、8﹪的甲醇以及52﹪的水的混合物（加甲醇目的是避免甲醛聚合），它是很强的还原物质，通常用作消毒、杀菌剂、杀真菌剂或作为常规储存液。

The method to determine the content of free formaldehyde in Glycerol formal is established.

介绍了一种利用高效液相色谱法测定甘油缩甲醛中游离甲醛含量的方法。

The electrochemical property of PDT and PDT metal complexes were characterized by CV, from the result of CV, it can be found that PDT and PDT metal complexes possesses electrochemical activity, which arised from the heteroatom of molecules.

我们用循环伏安表征了对二苯甲醛缩氨基硫脲及其金属络合物的电化学性质，从循环伏安的结果来看，对二苯甲醛缩氨基硫脲及其金属络合物具有一定的电化学活性，并且这些电化学活性主要来自于分子中的杂原子。

With the addition of hexamethylenetetramine, an ambient pressure drying technique was developed for the fabrication of resorcinol-formaldehyde-based carbon aerogels.

以间苯二酚和甲醛为反应物、六次甲基四胺HMTA为催化剂、去离子水为溶剂，所合成的间苯二酚－甲醛凝胶能够在常压条件下直接进行干燥得到有机气凝胶；并经炭化，得到炭气凝胶。

The two—step sulfomethy lation and the reaction with HOCH〓SO〓Na in sulfite cooking were illustrated in this paper. The optimum technological conditions were determined on the basis of suitable amount of HCHO in sulfite pulping. The differences of delignification and paper properties of wheat straw were also studied in SFP—AQ and alkaline sulfite and AQ cooking .

对麦草粉的两步法磺甲基化反应以及与羟甲基磺酸钠的反应进行了研究，解释了甲醛在亚硫酸盐蒸煮中脱木素作用机理，从理论上确定了甲醛在SFP—AQ蒸煮中的适宜用量，并据此提出了合理的蒸煮工艺和最佳工艺条件。

According to the theoretic significance and the applications of the complexes, this paper mainly concluded the following work: The ligand, 2-carboxybenzaldehyde-2,4-dinitrophen hydrazone, was synthesized by 2-carboxybenzaldehyde and 2,4-dinitrophenyl hydrazine in absolute alcohol.

中文摘要本文基于芳香腙类化合物的抑菌活性、稀土元素的生物活性以及二者配位后可能的协同效应，主要进行了以下几个方面的工作：在无水乙醇中，利用2-羧基苯甲醛和2，4-二硝基苯肼缩合反应得到了配体2-羧基苯甲醛-2，4-二硝基苯腙(C14H10N4O6)。

The long-term inhalation lf harmful gas such as formaldehyde,benzene,xylene given off from the coatings may harm the immune system and cause leucocythemia,They are especially sensitive to women and children,Pregnant women inhaling benzene may cause malformed baby or abortion .

涂料中的甲醛、苯、二甲醛等释放出的有毒气体，长期吸入人体会损害人体免疫功能，导致白血病，尤其妇女、儿童最为敏感，而孕妇吸入苯会导致胎儿畸形或流产。

In this paper, the structure, quantitative analysis of polynaphthalenesulphonate and the property of different metamorphism coal were studied systematically.

本文系统地研究了萘磺酸缩甲醛的结构、定量方法、不同煤阶程度煤性质以及萘磺酸缩甲醛在煤表面的吸附。

Dissolve in organic reagent like water, alcohol etc.It gives off methanal upon heating.so it is a good

性状：无色至微黄色粘稠液体或白色蜡状固体，能溶于水和一般有机溶剂，加热能释放出甲醛，是一种良好甲醛给予体，与RS、RH、RE配合使用，能起到良好的粘合效果。

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。