1) contrast experiment
对比实验
1.
Develops the Student Chemistry Thought Quality Practice Research Using the Contrast Experiment in the Middle School Chemical Teaching;
在中学化学教学中利用对比实验发展学生思维品质的实践研究
2.
By the contrast experiment of 2BMD-12 specific row No-till dill and JD1590 No-till drill in their straw covering field, the capacity of apply fertilizer and ratio of performance and price.
对2BMD-12型小麦对行免耕播种机和美国JD1590型进行了对比实验,内容包括机具适应的地表秸秆覆盖情况、施肥能力以及性能价格比等。
2) contrast test
对比实验
1.
By contrast test,characters of insulating glass sealant filled with mineral oil were compared with that of unfilled with mineral oil,such as durability,heat aging resistance,adhesive ability and the compatibility with hot melt butyl sealant,as well as ultraviolet irradiating resistance.
通过对比实验,比较了掺油和未掺油中空玻璃密封胶的耐久性、热老化性能、粘接性能以及与热熔丁基密封胶的相容性,比较了其制造的中空玻璃的耐紫外辐照性能。
2.
through the contrast test, research a separable and antirust plastic of solvent polystyrene resin, which is superior corrosion resistance and machine stability.
本实验通过对比实验方法,研制了一种具有优良耐腐蚀性能与机械性能的聚苯乙烯树脂溶剂型可剥防锈塑料,该产品采用废弃泡沫为主要成膜物质,即解决了白色垃圾问题,实现了废物利用,又解决了钢铁件的防锈问题。
3.
By contrast tests of feeding form?order?reflection temperature and the change of flame color, the best inventory ratio and experiment condition are obtained.
通过加料形态、次序、反应温度的对比实验 ,得出固体酒精最佳投料比和实验条
3) comparative experiment
对比实验
1.
the effect of grinding parameters on grinding force is analyzed by the way of comparative experiment when the ferrite ceramics is ground.
通过磨削对比实验方法分析磨削铁氧体陶瓷时,磨削用量对磨削力大小的影响。
2.
Development and comparative experiment of this machine have been shown that this kind of technology can raise soil moisture, soil thickness, raise the temparature, water-saving, early crop and improve the quality of the products and economical efficiency.
起垄全铺膜播种机的研制成功和对比实验,证明采用起垄全铺膜播种技术在提高土壤含水率、增加耕层厚度、增温、节水、早熟、省功及提高作物品质方面的性能和经济优势,是推广一种新型灌溉播种技术的物质保证。
3.
The result of the one-year comparative experiment among college students proves that using “the third culture” as the dominant culture in the class has a better effect.
对比实验结果表 明:在大学英语课堂教学中以“第三种文化”作为主导文化的教学效果,优于以目的语文化为主导文化的教学。
4) contrastive experiment
对比实验
1.
Contrastive experiment of three kinds of sources bombarding new and used targets;
几类源打“新靶”和“旧靶”的对比实验
2.
The success of the deep loose plough machine s manufacture and the contrastive experiment proves that to adopt the technique of deep soft plough to plow and level the land can increase the thickness of cultivated land, economize labor and time, keep the structure of soil and prevent water and fertilizer from running off , save water and improve the environment of crop s growing up .
深松耕作机的研制成功和对比实验,证明采用深松耕作机耕整地作业在增加耕层厚度、省工省时、保持土壤结构、防止水肥流失、提高土壤含水率、节水、改善农作物生长发育环境和提高生产效益方面提供可靠的技术保证。
3.
This paper is based on CAE finite elements analysis method,uses the orthogonality experiment and contrastive experiment,and follows the extreme difference analysis method.
在CAE有限元分析技术的基础上,采用正交实验和对比实验,并在极差分析法的指导下,成功得出实验条件下,塑料注射成形和粉末注射成形各工艺参数对制品质量影响的先后次序和工艺参数的最优配置。
补充资料：保险商实验室安全标准(见保险商实验室)
保险商实验室安全标准(见保险商实验室)
safety standards of UL: see Underwriters Laboratories; UL
Baoxianshang Sh啊nshi anquan bicozhun保险商实验室安全标准(saJ七ty stand助dsofUL)见保险商实脸室。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条