用量

Result: The breath and circulation in group A is more steadily than those in group B during the operation(P.05).The incidence of body movement and larynx spasm is higher in group B(P .05).The quantity of ketamine is less in group A than group B.

结果：术中A组循环、呼吸功能较B组稳定(P.05)；肢体不良自主运动，喉痉挛等不良反应较B组少(P.05)；A组氯胺酮用量明显少于B组(P.01)；术后A组苏醒较快且平稳。

Results During the operation, the breath and circulation in group A is more steadily than that in group B (P.05); the incidence of bodymovement and larynx spasm and the dosage of ketamine are lesser than that in group A. Postoperative children recovery is faster and more steadily in group A than those in group B.

结果 A组术中血压、心率和呼吸较接近麻醉前基础值，且术中波动较小，生命体征平稳。B组血压、心率及呼吸率均较术前明显增加，且始终保持在较高水平，随麻醉深浅而有显著波动。A组循环、呼吸功能较B组稳定(P.05)；肢体不良自主运动，喉痉挛等不良反应较B组少(P.05)；A组氯胺酮用量明显少于B组(P.01)；术后A组苏醒较快且平稳，恢复期精神症状少，与B组比较差异有统计学意义(P.05)。

Supporters claim that Bt Brinjal could cut losses from insect damage by over 50%, and pesticide usage by 80%.

支持者们称bt茄子能减少超过50%的虫害损失并减少80%的杀虫剂用量。

Drops counting of capillary burette micro titration with polyethylene burette to carry on titration analysis, the apparatus is simple, small, cheap, easy to carry, and less reagent consumed, while the determination is fast and correct.

毛细滴管数滴微型滴定法以价格不足0.3元/支的聚乙烯塑料滴管为量器进行滴定分析，不仅仪器结构简单、小巧、价廉、携带方便，而且试剂用量少，测定简便、快速、准确。

Catalytic activity of phosphotungstic acid on synthesizing butanone 1,2-propanediol ketal was discussed,the factors influencing the synthesis were discussed and the best conditions were found out.

探讨了磷钨酸对丁酮1，2 丙二醇缩酮合成反应的催化活性，研究了酮醇摩尔比、催化剂用量、反应时间等因素对产品收率的影响。

The quantity of catalyst was equal to 0.6% of feedstocks,the reaction temperature was 78～110 ℃,and the reaction time was 45 min. The test results have shown that H_4SiW_(12-O_(40)/MCM-48 is an excellent catalyst for synthesizing butanone 1,2-propanediol ketal with its yield reaching over 91.9%.

实验表明：H4SiW12O40/MCM-48是合成丁酮-1，2-丙二醇缩酮的良好催化剂，在n∶n(1，2-丙二醇)=1∶1.6，催化剂用量为反应物料总质量的0.6%，环己烷为带水剂，反应时间45 min的优化条件下，丁酮-1，2-丙二醇缩酮的收率可达91.9%。

Polyvinyl butyral is the essential material for laminated safty glass.

聚乙烯醇缩丁醛是制备夹层安全玻璃的必备材料，随着汽车和建筑行业的发展，夹层安全玻璃的用量越来越大，有广阔的市场前途。

Acidic extraction method was used to condensate butyraldehyde and get high concentration organic wastewater,and the influences of pH value,temperature, extracting agent and its amount on extracting effect were also discussed.

利用酸化萃取法处理丁醛缩合高浓度有机废水的思路，探讨了不同废水pH值、温度、萃取剂及萃取剂用量对萃取效果的影响。

The result indicated :(1) phosphoric acid could effectively reduce the pH value in calcareous soil .

试验结果表明：①磷酸能有效地降低石灰性土壤的pH值，在本试验条件下，要使土壤pH值由8.89降低到6.0左右，最佳酸用量为3.27g。

Use of calcium carbonate reduces the amount of polymer needed in the structure.

碳酸钙使用减少了所需要的结构聚合物用量。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。