价廉的

Cathode-ray tube is familiar to people because of its wide use.

以往人们比较熟悉的显示器件是阴极射线管，然而，随着人们对大屏幕、小体积显示器需求的增加，CRT显示器尽管具有亮度高、色彩丰富、发光效率好、响应速度快、视角宽、价廉等优点，但其体积笨重、耗能大、图像易扭曲、有X射线辐射等致命弱点阻碍了它的发展。

METHODS: Inexpensive quinine and cinchonine were transformed to 9NH2quinine and 9NH2cinchonine, which reacted with 4chlorobenzoyl chloride to afford 2 novel chiral ligands. The AD reactions of olefins were performed in H2OtBuOH (1∶1) using the 2 ligandsK2OSO24 as catalysts.

以价廉易得的奎宁和辛可宁为原料，经过结构转换得到9氨基奎宁和9氨基辛克宁，进而与对氯苯甲酰氯反应制得两种新型手性配体，并将其用于锇催化的烯烃的不对称双羟化反应。

The domestic production, demand, import and export of thionyl chloride are analyzed. It is suggested that backward HSO 3Cl method should be eliminated and new plants should adopt advanced technologies.

鉴于国内一些科研单位开发的工艺技术日趋成熟，加之该产品原料价廉易得，因此有必要提高我国氯化亚砜生产装置的整体科技水平。

Night lights — the kind that plug into wall outlets — are inexpensive and highly preventive, especially for older people who make nighttime trips to the bathroom.

夜灯是一种插在墙上插座里的装置，它价廉而高效，特别是对那些要起夜的老年人而言。

Di-cyclopentadiene deserves to be mentioned for its simple decomposed product,cyclopentadiene,and its low-price.

尤其是双环戊二烯的分解产物单纯，仅有解聚后的环戊二烯一种，且价廉、易得，值得重视。

It does not consume expensive oxidizing chemicals, the catalyst is nonhazardous and inexpensive. The method is simple and high efficient, which generally achieve complete mineralization of organic pollutants in water to such inorganics as CO〓 and H〓O.

它不需要昂贵的氧化剂，催化剂无毒价廉，方法简单，通常能将水中的有机物氧化为CO〓和H〓O〓等简单无机物。

May send polystyrene to have the nature lightly, moderately-priced, the thermal conductivity to be low, the hygroscopicity is small, electric insulation performance good, sound-insulated, quakeproof, moisture-proof, formation craft simple and so on merits, thus widely serves as profession and so on construction, transportation heat preservation heat insulations, sound-insulated, the earthquake resistance material, to serve as the electric appliance, the measuring appliance, the glass products, the electronic products and so on cushion packing material and the food packing

可发性聚苯乙烯具有质轻、价廉、导热率低、吸水性小、电绝缘性能好、隔音、防震、防潮、成型工艺简单等优点，因而被广泛地用作建筑、交通运输等行业的保温绝热、隔音、抗震材料、用作电器、仪表、玻璃制品、电子产品等的缓冲包装材料和食品包装

Objective To compare the effect of SSA antigens in human and calf spleens.

目的 比较人脾及牛脾中干燥综合征A型抗原的效价，为临床检验及研究提供价廉方便的组织原料。

LX series desulfurizers are synthesized by secondary amine, formaldehyde and at least oneactive hydrogen compound (amine, alcohol, phenol, et al.), which is an aminomethylationreaction. This synthesis route of desulfurizers has the advantage of moderate reaction conditionand inexpensive raw material.

采用仲胺、甲醛和带有活泼氢的化合物进行缩合反应合成LX系列脱硫剂，此合成路线具有反应条件温和，原料价廉易得的特点。

Companies adhere to the "high quality, low cost, service" business philosophy, strict product quality, so the product formula of science, well-selected raw materials, production technology is advanced, for all products manufactured 100% pass rate.

公司坚持&质优、价廉、服务&的经营理念，严把产品质量关，做到了产品配方科学、原料选用精良、生产工艺先进，所有产品的出厂合格率百分之百。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。