查询词典 small amount

Various reaction parameters such as ratio of ethyl acetoacetate to ethylene glycol,catalyst amount,reaction time and water-carrying reagent amount were studied.

讨论了酯醇比、催化剂用量、反应时间、带水剂用量对酯化率的影响。最佳反应条件为：n：n=1：1.8，催化剂用量为乙酰乙酸乙酯质量的2%，带水剂用量为20mL，反应时间3h。

As the amount of the teachers and students increasing,the administrable amount of work will increase in time and again.

对于一个学校来说，其管理内容中的一个最主要的内容就是其教师和学生的管理，随着其教师和学生数量的增加，其管理的工作量将是成倍增加。

As the amount of the teachers and students increasing,the administrable amount of work will increase in time and again.

使用信息化的管理手段将明显地。。。对于一个学校来说，其管理内容中的一个最主要的内容就是其教师和学生的管理，随着其教师和学生数量的增加，其管理的工作量将是成倍增加。

As to a school,one of the important administration is teacher and students.As the amount of the teachers and students increasing,the administrable amount of work will increase in time and again.

对于一个学校来说，其管理内容中的一个最主要的内容就是其教师和学生的管理，随着其教师和学生数量的增加，其管理的工作量将是成倍增加。

As to a school,one of the importantadministration is teacher and students.As the amount of theteachers and students increasing,the administrable amount of workwill increase in time and again.

对于一个学校来说，其管理内容中的一个最主要的内容就是其教师和学生的管理，随着其教师和学生数量的增加，其管理的工作量将是成倍增加。

The bone amount of the juvenile during the adolescency is affected by both genetics and environment factors,and genetics decides peak bone mount at 60% to 80%,although the results from genetic researches have not agree with each other.Environment factors also have a great effect on the development of the bone amount,such as the calcium intake,physical exercises,physical constitution and height,sex hormone level and so on.

青春期少年骨量受遗传和环境因素的共同影响，人体60%～80%的峰值骨量由基因即遗传因素所决定，目前大多数基因研究结果尚不一致；环境因素对骨量的影响因素也非常多，其中以钙摄入量、体育锻炼、体质量和身高、性激素水平的影响因素最大。

For the synthesis reaction of chalcone, cyclohexanone aldolization and biodiesel,γ-Al_2O_3-NaOH-Na solid superacid has a satisfactory catalytic activity. With hypnone and phenylaldehyde as raw material, amount of catalyst 7.5% wt% of material, mole ratio of hypnone and phenylaldehyde 1:1.1, reaction temperature 40℃, after 3 hours, the yield of chalcone can be up to 96.88%. With cyclohexanone as raw material, amount of catalyst 10% wt% of material, reaction temperature 190℃, after 3 hours, dimmer of cyclohexanone can be up to 85.66%.

将该固体超强碱催化剂应用于查尔酮、环己酮自缩合以及生物柴油的合成反应中，该改性固体超强碱催化剂表现出了良好的催化活性：以苯乙酮和苯甲醛为原料，反应温度为40℃，催化剂用量为反应物总质量的7.5％，苯甲醛与苯乙酮摩尔比为1：1.1，反应3h查尔酮产率可达96.88％；以环已酮为原料，催化剂用量为原料总质量的10％，反应温度为190℃，反应3h，二聚物的总收率可达85.66％；以动物油和甲醇为原料，醇油摩尔为9：1，催化剂用量为动物油质量的2％，反应温度为70℃，反应3h后，生物柴油的收率可达91.8％。

With a quantitative amount of catalyst, the yield of acetyl alginic acid was increased with reaction time; but as time being constant, the yield was increased with the amount of catalyst.

在相同的催化剂量下，乙酰褐藻酸的产率随反应时间加长而提高；当反应时间相同时，其产率随催化剂用量加大而提高。

Connaughton (1994) and Sprague (2000) mentioned that the differences of length, weight, and tension of the sonic muscle and the amount of protein and glycogen affect the types of sounds emitted. To reveal the producer of high-frequency sound, this research analyzed and compared the length, width, thickness and somatic of sonic muscle and the amount of protein and glycogen in seven sciaenid species occuring on the west coast of Taiwan (Johnius tingi, Johnius sina, Johnius amblycephalus, Johnius amblycephalus, Pennahia argentata, Chrysochir aureus, and Otolithes ruber), then to find if the differences of physic parameter and energy supplication are the major factors making O. ruber produce high frequency of sound.

在Connaughton (1994)和Sprague (2000)研究报中指出造成石首鱼产生不同型态的声音主要取决於发声肌肌纤维的长度、重量、张力、蛋白质与肝醣含量的差异性，为了证实高频声音确实为红牙鱼或所产生，本研究将分析比较在台湾西岸海域其他不同石首鱼(红牙鱼或、黄金鳍鱼或、白姑鱼、中华叫姑鱼、皮氏叫姑鱼、丁氏叫姑鱼与顿头叫姑鱼)发声肌之长度、重量、蛋白质与肝醣含量差异，探讨发声肌在物理参数与能量的供应的差异是否为造成红牙鱼或产生高频鸣音之主要因素。

ABSTRACT In the process of rare earth production, large amount of sulfuric acid, hydrochloric acid and ammonia are consumed, However, there are large amount of sulfuric acid, hydrochloric acid or ammoniacal nitrogen in solutions or discharged waste water which need to be treated.

稀土冶炼过程中，一方面大量使用硫酸、盐酸及氨等化工原料，另一方面，在生产过程的某些中间环节或排放的废水当中，又含有大量的硫酸、盐酸或氨氮化合物需要处理。

In the chapter 2, the theoretic knowledge about the photosensitive resin and the grinding tools was firstly introduced.

第二章阐述了光固化树脂结合剂磨具的相关理论研究。

Do not use the program's indenting or margin-setting features; these will be added during typesetting.

不要使用缩排，页面边缘设置之类的选项，偶看不大懂。