查询词典 lead oxide

White fused aluminium, oxide is electrically fused in the furnace with high-grade alumina powder as row materials.It has higher hardness and sightly lower toughness than brown fused aluminium oxide,character-rized by its high purity,strong grinding ability.

白刚玉是以铝矾土为原料，在电弧炉内高温冶炼而成，它具有颜絮白，硬度高，韧必稍低，纯度高，自锐性优，磨削力强，效率高，耐酸碱腐蚀，热稳定性高等特点，它不但是高级磨料磨具材料，且还是高级研磨，抛光材料等。

The components of algycone were benzyl alcohol, trans-linalool oxide, linalool, phenyl ethanol, methyl salicylate and geraniol in fresh tea leaves while those in green tea was five kinds as those of fresh tea leaves excepted benzyl alcohol and those in black tea were only phenyl ethanol and trans-linalool oxide.

糖苷类香气前体检测结果表明，鲜叶中的香气前体苷元有6种，分别为苯甲醇、反式-芳樟醇氧化物、芳樟醇、苯乙醇、水杨酸甲酯和香叶醇；绿茶中有5种，苯甲醇未检测出；而红茶中只检测出了反式-芳樟醇氧化物和苯乙醇两种。

Three phosphorus-containing polybibenzimidazoles, namely, poly [2,2'-di-p-phenylene methyl phosphine oxide-5,5'-bibenzimidazole], have been prepared by condensing 3,3'-diaminobenzidine with di-(p-carboxy phenyl) methyl phosphine oxide.

用双烷基氧膦与3，3'-二氨基联苯胺缩聚，合成了三个在主链上带有联苯并咪唑和氧化三烃基膦结构的高分子化合物。

Bis(4-fluorophenyl)phenyl phosphine oxide was synthesized by Grignard reaction, and sulfonated bis(4-fluorophenyl)phenyl phosphine oxide was prepared by sulfonation of BFPPO.

具体内容如下：通过Grignard反应合成了二(4-氟苯基)苯基氧膦单体，并将其磺化，合成了二(4-卤苯基)-3-磺酸钠苯基氧膦单体。

Tris-(1-aziridinyl)- phosphine oxide and 2-[bis-(2-chloroethyl)-amino]-tetrahydro-1, 3, 2-oxazaphospholidine-2-oxide(Ⅲ, B-518) possess inhibitory action against a variety of animal tumours and have been used clinically. Recently, bis-(1-aziridinyl)-phosphinyl carbamic acid ethyl ester(Ⅱ, AB-100) was found to possess significant activity with low toxicity on experimental animal tumours.

双(2-氯乙基)氨基磷酰二氯与乙烯亚胺在脱水苯或对氧六环中并在三乙胺的存在下进行缩合，生成N，N-双(2-氯乙基)-N′，N-二乙烯基-磷酰胺；与双巯基或双氨基化合物作用，则生成相应的环状磷酰胺、磷酰胺酯以及磷酰胺硫代酯氮芥类化合物。

Any of a large class of materials with highly variable mechanical and optical properties that solidify from the molten state without crystallization, are typically made by silicates fusing with boric oxide, aluminum oxide, or phosphorus pentoxide, are generally hard, brittle, and transparent or translucent, and are considered to be supercooled liquids rather than true solids.

玻璃：具有各种高机械和光学属性的一大类材料，它不经结晶过程而从融化状态凝固而成，常用硅酸盐与氧化硼、氧化铝或五氧化磷合制而成，一般硬而易碎，透明或半透明，被认为是超低温液体而不是真正的固体

The results showed that Mg application considerably alleviated Mg-deficient symptom and increased magnesium nutrition on leaf of shatian pumelo; while soil in the orchard contained medium K and lack of Mg, yield and plantation income of shatian pumelo comparatively increased by 1.2% 18.7% and 0.4%~24.7% at the level of the amount of potassium oxide 340.2 kg/hm^2 applying Mg 22.5 kg/hm^2 and 45.0 kg/hm^2 while yield and plantation income of shatian pumulo comparatively increased by 11.2% 31.7% and 11.7%~39.4% at the level of the amount of potassium oxide 453.6 kg/hm^2 applying Mg 45.0 kg/hm^2, 81.0 kg/hm^2 and 117.0 kg/hm^2, and fruits quality was improved as well.

结果表明，施镁可明显减轻沙田柚叶片的缺镁症状，提高叶片镁素营养；在土壤有效钾含量中等，有效镁含量缺乏的情况下，施用钾肥(K2O) 340.2 kg/hm^2基础上配施镁肥 22.5及45.0 kg/hm^2，果实产量提高1.2%~18.7%，种植效益提高0.4%~24.7%；施用钾肥(K2O) 453.6 kg/hm^2基础上配施镁肥 45.0、81.0及117.0 kg/hm^2，果实产量提高11.2%~31.7%，种植效益提高11.7%~39.4%，同时柚果品质得到改善。

Uses in the paint, the printing ink, the varnished cloth coloration, the printing industrial used dye printing reserving agent, uses in the neutral cowhide glue in the matches industry the acidity, increases the gummy effect, the pharmaceutical industry serves as the adhesive plaster raw material, in addition also uses in the pigment zinc chrome yellow, the zinc acetate, the zinc carbonate, the zinc chloride and so on manufacture, the synthesis methyl alcohol catalyst, the synthetic ammonia sweetening agent, the glass and glazes the production, the pellet thin active zinc oxide (about particle size 0.1um) may serve as plastic and so on polyolefine and polyvinyl-chloride light stabilizers, the zinc oxide also uses in pressing, the photochemical catalysis, the electro-optic sensitively extremely, domains and so on coating, color television development.

用于油漆、油墨、漆布的着色，印染工业用的印花防染剂，在火柴工业中用于中和牛皮胶的酸性，增加胶粘效果，医药工业用作橡皮膏的原料，此外也用于颜料锌铬黄、醋酸锌、碳酸锌、氯化锌等的制造，合成甲醇的催化剂，合成氨的脱硫剂，玻璃和釉料生产，颗粒细的活性氧化锌（粒径0.1um左右）可用作聚烯烃和聚氯乙烯等塑料的光稳定剂，氧化锌也用于压敏、光催化、光电极、涂料、彩电显影等领域。

It is best to combine green tea with zinc oxide-based sunscreens because zinc oxide is chemically inert and should not react with green tea (which some chemical sunscreens might do, especially in sunlight).

最好是将绿茶和锌oxide-based防晒霜，因为氧化锌是化学反应迟钝，不应该用绿茶(某些化学防晒产品可能做，尤其是在阳光)。

Zinc oxide raw materials and zinc oxide ores, containing high fluorine, chloride and iron, can 't be treated to produces electrowinned zinc by routine process. High-purity zinc using in non-mercury zinc powders is prepared only by using vacuum distillation or rectify process from zinc of the zero grade.

本文针对目前氟、氯、铁等杂质元素高的氧化锌物料、氧化锌矿常规方法难以处理以及无汞合金锌粉用高纯锌必须由0号锌用真空蒸馏或精馏法生产的问题。

Smoking cigarettes adds to the Computer Desk Computer manufacturer computer mouse Computer Computerized collar knitter machine Conduit Bodies construction board Container Bag Control Arm Cooking Thermometer general levels of air pollution as well as damaging our health.

吸烟不仅对健康有害，而且增加空气污染程度。香烟雾含有多种有害物质：不仅有致癌化学物质、有某种能阻止氧气进入血液的气体，还有引起血压增高、心速加快的被称为尼古丁的物质。

He is one of my favorite actors.

他是我最喜欢的男演员之一。