查询词典 aldehyde acetal

The impregnation properties of distilled water, phenol aldehyde solution, and glycerol in carbon fiber weave stacks were studied by changing the vacuum pressures.

通过改变所加真空压力的大小，研究了蒸馏水、酚醛溶液、丙三醇三种流体对炭纤维织物铺层的渗透规律。

It is an excellent adhesion improver used in polyamide, epoxy, nitrile, phenol aldehyde adhesive and sealed material to improve the dispersion of pigment and the adhesion to glass, aluminum, iron, also applicable for latex coating such as polyamide, epoxy and acrylic acid type.

优异的粘结促进剂，可用于聚氨酯、环氧、腈类、酚醛粘胶剂和密封材料，改善颜料的分散性并提高对玻璃、铝、铁金属的粘合性，也适用于聚氨酯、环氧和丙烯酸乳胶涂料。

The results show that the resin property is better when aldehyde/phenol molar ratio is 1.5～2.0 and the compound catalyst is used; the foam plastic property is good when solid content is h...

结果表明：醛/酚摩尔比为1.5～2.0、采用复合催化剂时，树脂性能较好；固含量较高时，泡沫塑料性能好；泡沫密度增大，强度提高，但保温性能变差

Polarization curves measured in tap water at temperature of 70°C were compared for bare steel and that coated with same thickness of various coatings including phenol aldehyde epoxy film,nanoscale titanium polymer film and modified polyethylene film.

对裸钢及其涂覆相同厚度的不同涂层──酚醛环氧、钛纳米聚合物和改性聚乙烯后在70°C自来水中的极化曲线进行了比较。

When used in thermoplastic and thermosetting resin such as phenol aldehyde, polyester, epoxy, PBT, polyamide, carbonate, it can greatly improve dry and wet bending strength, compression strength, shear strength and other physical mechanical properties and wet electric properties, also improve the wetting property and dispersion of stuffing into polymer.

应用于矿物填充的酚醛、聚酯、环氧、PBT、聚酰胺、碳酸酯等热塑性和热固性树脂，能大幅度提高增强塑料的干湿态抗弯强度、抗压强度、剪切强度等物理力学性能和湿态电气性能，并改善填料在聚合物中的润湿性和分散性。

Experimental results showed that aerosol created by 1,3,5-trimethylbenzene photooxidation can be classify with five distinct chemical particle classes, the predominant components of these five particles are aromatic aldehyde, phenol, nitrophenol and carboxylic acid compounds.

利用该算法对OH自由基启动1，3，5-三甲苯光氧化形成的二次有机气溶胶单粒子质谱数据进行了聚类分析，在得到的五个聚类中包含了芳香醛、酚类化合物、硝基酚和羧酸等重要的光氧化产物，为研究苯系物光氧化机理提供了新的信息。

Actually, consider to make clear, deposit time little the new tea at a month, contain the more much phenol without oxidation kind, aldehyde kind with alcohol kind material, the generation of meeting gastric bowel mucous membrane to human body spurs action strongly, cause the symptom such as abdominal distension, bellyacke.

其实，研究表明，存放时间少于一个月的新茶，含有较多的未经氧化的多酚类、醛类和醇类物质，会对人体的胃肠粘膜产生强烈刺激作用，引起腹胀、腹痛等症状。

Automobile exhaust emissions of pollutants containing 150-200 different compounds, the main harmful ingredients: no combustion or CH incomplete combustion, NOx, CO, CO2, SO2, H2S and the amount of aldehyde, phenol, peroxide , organic acid and lead, phosphorus formed by gasoline lead, phosphorus pollution.

汽车尾气排放的污染物中含有150～200种不同的化合物，其主要有害成分为：未燃烧或燃烧不完全的CH、NOx、CO、CO2、SO2、H2S以及微量的醛、酚、过氧化物、有机酸和含铅、磷汽油所形成的铅、磷污染等。

Very good results were obtained in logP modeling for carboxylic acid, ethanol, phenol, aldehyde, ketone, ether, ester and amine. A QSPR model of logP for many kinds of substances was established by multi-linear regression with the first-order molecular connectivity valent index 〓 and the number of hydrogen bonds N as two patameters.

利用这两类结构参数，分别建立了脂肪族羧酸、芳香族羧酸、醇、酚、醛、酮、醚、酯、胺类物质的疏水性常数定量模型；在此基础上，建立了包含8类基本有机物144种物质的疏水性常数的定量模型，并提出logP的简化模型。

The reaction of 3 with aryl aldehyde oximes afforded exclusively the product 4 under the PTC conditions.

在相转移催化条件下，3与芳香醛肟反应得到单一的产物4，与芳香酮肟反应则生成4和5的混合物。

You can buy sweetened beverages, if that suits you.

你若喜欢的话，可以买些含有糖精的混合饮料。

As many of you are probably aware, Nick and Vanessa were recently faced with an embarrasing sex scandal after naked pictures of the two getting jiggy with it in a hot tub surfaced the net.

正如很多你可能知道，尼克和 Vanessa 最近面临一个尴尬的绯闻事件后，赤裸裸的图片两个越来越jiggy与它在浴缸中的一个热点浮现净。