查询词典 formaldehyde solution

With CO2 as acidifying agent, potassium chromate was directly reduced to chromic oxide hydrate under hydrothermal conditions using formaldehyde as reducing agent.

以CO2气体为酸化剂，小分子有机化合物甲醛为还原剂，通过表面活性剂处理，在水热条件下直接还原铬酸钾水溶液得到水合Cr2O3，继而800℃下煅烧得到球形Cr2O3超细粉体。

The protein and the fatty compounds in the sample are precipitated by zinc acetate and potassium ferrocyanide, then the chromogenic reaction of acetylacetone with formaldehyde released from the sample in weak-acid medium and boiling bath takes place immediately.

提出了一种用於现场测定水发食品中甲醛含量的样品快速前处理新方法，采用乙酸锌和亚铁氰化钾沉淀样品中的蛋白质和脂肪，在弱酸性介质和沸水浴条件下提取了样品中的甲醛，并与乙酰丙酮立即发生显色反应。

Registered capital of 15.12 million yuan, operating range: wood plate, fine wood, MDF, furniture manufacture and sale, urea-formaldehyde glue manufacture, sale.

注册资本1512万元，经营范围：木板材、细木板、密度板，家具制造销售，尿醛胶制造、销售。

Yueqing xszsh is the first modern enterprise engaged in producing high doors,flat jambs,window casings and furniture doors etc.in wenzhou.diyuanchun series products are made of superior natural material both in domestic and abroad,come with environment-friendly urea-formaldehyde resin and water repellent compound and are manufactured by advanced ltaly facilities and international advanced technology.lt is one of the most popular wood doors in the market featured in good performance,well sound insulation,natural and simple and are free ofwarp,expansion,cracking and deformation.

乐清市芙蓉徐氏装饰行是温州地区首家生产高档门、门套、窗套、家具门等产品的现代化企业。帝源村系列产品，精选过内外优质先进自然材料，施加绿色环保脲醛树胶、防水剂等。用先进的意大利机械设备和国际先进的工艺技术精心制作而成。是目前市场上最受欢迎的木门产品之一。它具有性能强、不翘曲、不膨胀、不开裂、不变形、隔音效果好、自然、朴实等特点。

Simple decoration, well-fitting, after more than six months, will enable the ventilation room to reduce the concentration of formaldehyde to the national standard.

适当从简装修、装修后良好通风半年以上可使居室甲醛的浓度降低到国家标准规定的范围内。

To make new adsorbents for processing heavy metals wastewater, black wattle bark with high content of tannin was reacted with formaldehyde to fix the tannin in the bark.

为充分利用我国丰富的黑荆树皮资源，满足现代重金属废水对吸附剂的更高要求，本文对黑荆树皮进行改性，并研究其对重金属离子的吸附性能。

The reaction conditions of methanol dehydrogenation to water-free formaldehyde was studied in a 16mm diameter fixed bed ceramic tube reactor,using Na_2CO_3 as catalyst,which was prepared by different ways.

在一个内径为16mm的固定床陶瓷管反应器中，研究了用不同方法制备的碳酸钠催化剂催化甲醇脱氢制无水甲醛反应的工艺条件。

Aim To study on properties of modified urea-formaldehyde resin.

目的研究三聚氰胺改性脲醛树脂胶粘剂的性能。

The theoretical researches on urea-formaldehyde resin and its practice in wood industry were reviewed in detail.

对脲醛树脂的理论研究及其在木材工业中的实际应用进行了较全面的概括和评述。

The development of environmentalfriendly urea-formaldehyde resin adhesive in the future was proposed.

提出了发展绿色环保型脲醛树脂胶粘剂的总体趋势。

Effective local search tactics reaches local searchers when they are ready to buy - with every way that it is possible for them to buy from you.

有效的地方搜索策略达到当地的搜索，当他们准备购买-以各种方式，这是他们有可能从您那里进行购买。

The first two are periodic sentences for their beginnings; and the fifth and the last are also periodic sentences each for the embedding of a parenthetic structure.

1960年代中后期，当战后女权主义和当时的许多其他抗议运动在西欧和北美发展成某种势力时，性别的概念演绎成补充和延伸生物性别差异的概念。