甲醛

The slide-way of DF-8S high-strength, steel-base modified polyformaldehyde composite material is a kind of five-layered composite material composed of steel base, small-grained spherical copper powder, large-grained spherical copper powder, screw copper nail layer, superficial plastic, with the slide-way structure.

DF-8S高强度钢基改性聚甲醛复合材料滑道是由钢基体、小颗粒球形铜粉、大颗粒球形铜粉、螺旋铜钉层、表层塑料构成的五层复合材料。

Acute toxicity of five drugs (copper sulfate, premix allitridum, C5H6BrCIN2O2, CIO2, formalin) to Hemibarbus maculates fries(7~10 mm in body length) were studied by biological toxic test method at the water temperture of 20~24℃.

在水温20~24℃条件下，用硫酸铜、硫醚沙星、溴氯海因、二氧化氯、甲醛对花鱼苗（体长7~10mm）进行急性毒性试验，并求出这五种药物相应的安全浓度。

Results The medians of formaldehyde concentrations in indoor air a...

结论家具是室内空气中甲醛污染的来源之一，室内空气采样能较好地代表个体接触水平。

Pregnant women exposed to lead, benzene, toluene, xylene, ethylene chloroprene, mercury and mercury compounds, arsenic, cyanide, nitrogen oxides, carbon monoxide, chlorine, carbon disulfide, styrene, ethylene oxide, aniline and formaldehyde and other chemicals prone to pregnancy-induced hypertension syndrome, appears lower extremity edema, blood pressure, urine protein appeared, and there will be a serious headache, vertigo, chest tightness and other symptoms, or even convulsions.

妇女怀孕后接触铅、苯、甲苯、二甲苯、氯丁乙烯、汞和汞的化合物、砷、氰化物、氮氧化物、一氧化碳、氯气、二硫化碳、苯乙烯、环氧乙烷、苯胺和甲醛等化学物质容易患妊娠高血压综合症，出现下肢浮肿、血压增高、尿中出现蛋白，严重时会出现头痛、眼花、胸闷等症状，甚至发生抽搐。

This thesis reported the synthesis of N-alkyl phosphonic acids and their complexes by using the reaction of methyl aldehyde, amine and phosphorus acid. The probable structure of the complexes were identified by IR and ESR.

本文介绍了以甲醛和胺、亚磷酸合成N—烃基膦酸后，再合成相应的Cu、Zn络合物，并用IR、原子吸收、ESR对络合物进行了表征，推测了络合物的可能结构。

Methods:The renal biopsies is fixed respectively by methyl aldehyde,glutraldehyde and osmium tetroxide (OsO\-4) after glutraldehyde before paraffin embedding and is observed with light microscopy and electron microscopy.

在石蜡包埋前，肾穿组织分别用甲醛、戊二醛及戊二醛、锇酸双固定。

Using PbO2/Ti as anode,pure lead as cathode,H2SO4 as medium,MnSO4 was electrolyzed into Mnin a undivided cell,then,using Mnas oxidant, p-chloro-toluene was oxidized into p-chloro-phenylaldehyde.

采用无隔膜电解槽，以PbO2／Ti为阳极，纯Pb为阴极，MnSO4在H2SO4介质中电解为Mn，于电解槽外氧化对氯甲苯生成对氯苯甲醛。

A new Schiff baseH_(2Lhas been synthesized from sulfamethoxazole and complexes of this ligand have been prepared with it and characterized by elemental analysis,infrared spectrum,nuclear magnetic resonance,thermal analysis,molar electric conductance and solubility.

以磺胺甲基异口恶唑与对羟基苯甲醛合成一种新西佛碱(H2L)，并用此配体制备8个稀土配合物，通过元素分析、红外光谱、核磁共振、热分析、摩尔电导和溶解性试验对配合物进行了表征。

A type of novel non-ionic Gemini surfactant was synthesized from dimer which was obtained from nonyl-phenyl and formaldehyde.

以壬基酚和甲醛的二聚体为原料，合成了一种新型结构的非离子双子表面活性剂，总收率为20%。

Objectives To explore the indoor air pollution and its health effect s of formaldehyde and BTEX (benzene, toluene, ethylbenzene and xylenes isomers) in the decorative materials in newly decorated rooms.

目的：探讨装饰材料中主要有害物质甲醛及苯系物对室内空气的污染及健康效应。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。