查询词典 formaldehyde

Grinding the coal powder mixed with a few linotype phenol - formaldehyde resins, the surface of the coal powder was modified by the meehanoehemical effect during ball milling.

在神府煤粉中加入少量线型酚醛树脂后在行星球磨上进行混合球磨，利用球磨过程中的力化学作用对煤粉进行表面改性，用傅立叶变换红外光谱、热重分析仪和激光粒度分布仪等对改性后煤粉进行了表征。

Quickly remove the harmful chemical gas such as ammonia, formaldehyde, benzene and toluene; Leach away various smokes, and lustrate other harmful gas that create by organism and mineral, make the air fresh.

快速去除氨、甲醛、苯、甲苯等有害化学气体、滤除各种烟味和驱除其它有机或无机物产生的对人体有害的气体，清新空气。

Potassium mercuric tetrachloride absorption accuracy and precision is better than formaldehyde absorption.

四氯汞钾吸收法的准确度以及精密度优于甲醛吸收法。

The alkali-hydrolytic extract of goat's hoofnail Inhibited inflammatory swell in foot metatarsus of rat induced by mixture of agar and kaolin, egg white, and formaldehyde and reduced the amount of proliferative granulation of rat caused by papermatrix method.

山羊蹄角碱水解提取物对由琼脂、白陶土混合致炎剂和组织胺、蛋清、甲醛所致大白鼠足跖炎性肿胀有抑制作用，并能减少大白鼠纸片法肉芽组织增生。

Or methanal Formaldehyde (37%) in water solution, called formalin, is used as a preservative, an embalming agent, and a disinfectant .

通常以福尔马林(含甲醛37%的水溶液)形式出售，用于防腐剂、尸体保存以及消毒剂。

Topical treatment for new premises means a lot of toxic gases, but the current market sales of synthetic chemical sprays are generally used method is the elimination of formaldehyde and other poisonous gases and produce secondary pollution.

时下对新房有毒气体的治理手段不少，但目前市场上销售的气雾剂一般都是采用化学合成的方法，难免在消除甲醛等有毒有害气体的同时产生二次污染。

The experiment gains reaction parameters of methylal from formaldehyde and methanol,it also found a mathematical model for continuous production process.

通过实验取得了甲醛和甲醇合成甲缩醛的反应参数；建立了其连续生产工艺的数学模型，利用ASPEN PLUS软件对甲醛和甲醇缩合生成甲缩醛进行了模拟，结果表明反应精馏连续生产甲缩醛的工艺是可行的，转化率高达99%，并得到含甲缩醛99%的产物，同时确定了进料板和反应区。

Is located in the National Health City, National Garden City,"China's first long" hometown - Puyang, located in Puyang City, South County, Technology and Industry for the region is a professional Health and formaldehyde, methylal new series of products, one of the major manufacturers.

濮阳市南乐县森威化工有限公司位于国家卫生城、国家园林城、"中华第一龙"的故乡—濮阳，坐落在濮阳市南乐县技术工业区内，是国内专业生甲醛、新型甲缩醛等系列产品的主要生产厂家之一。

The influences of preparation method, the calcined temperature and auxiliary forming reagent on the activity of the Fe Mo Co O catalyst for oxidation of methylal to formaldehyde were studied.

考察了制备方法、焙烧温度和成型助剂对甲缩醛氧化制甲醛铁钼钴三元催化剂活性的影响。

The possibility of preparation of methylal from methanol and formaldehyde through slurry catalytic distillation catalyzed by acidic cation exchange resin with large size pores is discussed.

研究了以甲醇和甲醛为原料，以大孔径强酸性阳离子交换树脂为催化剂，通过浆料催化精馏工艺制备甲缩醛的可行性。

But GST= 0.156, Nm=1. 588. As a result, the foundation of Youyongchi Avicennia marina population was the result of the migration of hypocotyles and human factors.

这项工作可以为海岸防护林中新引进种类的判定以及为研究种群建立者效应方法的确定提供科学依据。

The two-dimensional CDRC-ADI-FDTD update equations for collision unmagnetized plasma are induced. The unconditional stability of the CDRC-ADI-FDTD formulation for collision unmagnetized plasma is obtained by the examples.

推导了碰撞非磁化等离子体中的二维CDRC-ADI-FDTD迭代公式，并用算例验证了碰撞非磁化等离子体CDRC-ADI-FDTD算法也是无条件稳定的。