查询词典 formaldehyde solution

In this paper the synthetic technology for producing low toxic environmental protection type urea-formaldehyde resin adhesive was studied.

通过对低毒环保型脲醛树脂胶粘剂的合成工艺进行研究，得出的结论为按工艺条件，一次性加入甲醛后，用NaOH或NH_4Cl调节pH值、用聚乙烯醇作改性剂，在适当的温度下分批加入尿素，进行阶段反应，从而获得一种乳白色的胶粘剂。

We killed some mice at the day 6th , the others were continue to expose to formaldehyde and observe their estrous cycle. HE staining was used to study the pathological changes happened in ovarian tissue. Uranium acetate and lead acetate double staining was used to study the ultrastructure of oocyte. E2 and LH level in blood serum was measured by radioimrnunoassay reagent kit.

第6d处死一批小鼠，用HE染色观察小鼠卵巢组织的病理改变，用醋酸铀—醋酸铅双重染色电镜下观察小鼠卵母细胞超微结构的损伤；用GSH测定试剂盒测定小鼠卵巢组织中的GSH含量；用E_2和LH放射免疫分析试剂盒分别测定小鼠血清中E_2及LH水平；采用超排卵法，计数超排卵数并收集卵母细胞，于油镜下观察生殖细胞遗传物质的损伤。

Mesoporous tin oxide was synthesized by using cetyltrimethyl ammonium bromide or CTAB and Tween-20 as the template or hydrothermal process. Hollow tin dioxide micospheres were synthesized by using resorcinol-formaldehyde gel as the template or hydrothermal process. Thermogravimetric analysis, X-ray diffraction and electron microscopy have been used to characterize the materials.

本文分别采用十六烷基三甲基溴化铵模板法、CTAB和吐温20复合模板法及水热法来合成介孔氧化锡；用间苯二酚和甲醛凝胶模板法及水热法合成空心球氧化锡，并用热分析、X射线衍射、电镜等对以上材料作了形貌及结构表征。

It indicated that a part of novolac could be substituted with formaldehyde modified lignin resin which was destracted from waste water of sulphate pulping process.

结果表明，硫酸盐法造纸制浆废液中的木质素，经羟甲基化改性后，可在酚醛模塑料中，代替部分线型酚醛树脂。

Formaldehyde ; sodium hydrogen sulphite ; inhibitor

甲醛；亚硫酸氢钠复合物；抑制剂

Furniture and decoration materials and pollution (such as paint, plywood, shaving board of the Chinese containing formaldehyde, ethanol forms), and the construction of its own pollution (such as construction materials, chemical added), is the main source of pollution.

而装饰材料及家具的污染（如油漆、胶合板、刨花板等中含的甲醛、乙醇致癌物），与建筑自身的污染（如施工中添加的化学材料），是主要的污染源。

Upholstery with paint, plywood, shaving board, and other materials were thrown paint containing formaldehyde, benzene and other organic vapour, but also building materials, radioactive substances have considerable carcinogenic.

室内装饰用的油漆、胶合板、刨花板、内墙涂料等材料均含有甲醛、苯等有机蒸气，还有建筑材料中的放射性物质都具有相当的致癌性。

Which part of a stop for Miduoban, density not less than 0.80g/cm3 otherwise affect loading capacity and formation; Wet rate not less than 6.5%, but not too high, can not self-regulate on the basis of climate change; Surface craft, touching them with their hands or face is one-dimensional relief, relief to face the best; formaldehyde emissions 1.1mg/L reach Europe E1 class standards, and a test report on shaving board, staining the curing plates.

其中间基材部分为中密度板，密度不能低于0.80g/cm3，否则影响承重力和平整性；含水率不能低于6.5%，但也不能过高，否则无法根据气候的变化自行调节；表面工艺，用手触摸辨别是浮雕面还是平面的，浮雕面的为最好；甲醛释放量1.1mg/L，达到欧洲E1级标准，且有检测报告，警惕刨花板、染色的防潮板。

Formaldehyde had been widely used in water-soaked foodstuffs on sale. It should be conducted to strengthen market supervision and management of food in order to protect the health of consumers.

市场水发水产品使用甲醛较普遍，应加强食品卫生监督和市场管理，保护消费者健康。

For a quick acting formaldehyde monitoring device, signal collection and processing is a critical step in the detection system.

在甲醛快速监测仪中，信号的采集与处理是一个相当关键的环节。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。