查询词典 vacuum

Objective:To study the effects of vacuum sealing drainage with Coldex polyethylene foam on pyogenesis in diabetes mellitus.

目的：观察Coldex聚乙烯酒精水化海绵封闭式负压引流治疗糖尿病合并化脓性感染创面的临床疗效。

In addition to the regular use of a vacuum cleaner suction carpet dust can also be used ethers of Pyrethrin pesticide spraying in the carpet, or cotton cloth dipped in turpentine carpet.

经常用吸尘器吸除地毯上的灰尘，还可以用除虫菊酯醚类的除虫剂喷洒在地毯上，或用棉纱蘸松节油擦拭地毯。

The paper introduced the principle ,the test conditions and the operation steps of dry-ing the pyrethrum flower ;The four drying methods :drying the air flow ,far infrared ray ,sunsh-ing and vacuum were described ;The drying conditions ,the moisture of tile dry flower and extrac-tion.

本文主要介绍了除虫菊鲜花的真空冷冻干燥技术的原理、条件和操作步骤。

The results were as follows: the activity of prawns was highest under the condition of pH 7.0, 35 ℃ using pyrocatechol as substrate; four inhibitors i.e ascorbic acid1 mg·mL~(-1, sodium sulphite2 mg·mL~(-1, phytic acid1 mL·L~(-1 and EDTA0.1 mg·mL~(-1 had some inhibiting effects on the PPO of prawns, in which the effect of phytic acid1 mL·L~(-1 was the best; the PPO activity of prawns increased gradurally during the storage period; the PPO activity of prawns was inhibited in vacuum environment, the lower the storing temperature was, the stronger the PPO activity was.

结果表明：以邻苯二酚为底物，虾PPO活性的最适pH为7。 0，最适温度为35 ℃；4种抑制剂(1 mg·mL-1抗坏血酸、2 mg·mL-1亚硫酸钠、1 mL·L-1植酸及0。 1 mg·mL-1EDTA)对南美白对虾PPO都表现出一定的抑制作用，以1 mL·L-1植酸抑制作用最强；南美白对虾在贮藏过程中PPO活性逐渐上升，真空环境中PPO活性受到抑制，贮藏温度越低，抑制作用越强。

After many experiments with aluminium foil of various thicknesses he was able to publish, in 1894, his great discovery that the plate of quartz that had, until then, been used to close the discharge tube, could be replaced by a thin plate of aluminium foil just thick enough to maintain the vacuum inside the tube, but yet thin enough to allow the cathode rays to pass out.

1888年莱纳德在海德堡大学昆克手下工作，他完成了他关于阴极射线的第一项研究成果，他研究了当时赫兹关于阴极射线有与紫外线相似特性的观点，并设计了一个实验，以探究阴极射线是否像紫外线一样，能够通过放电管壁上的石英窗，他获得的结果是阴极射线没有这样的特性。

Problems existed in a micro-reactor evaluation unit were analyzed, some improvements were also made including feeding method from liquid to gas, replacing stainless steel wire mesh in reactor with special quartz sieve plate , decreasing pipeline in collective system and replacement of pressure water method by vacuum dehydration.

分析了旧微反应评价装置存在的问题，并对其进行了如下改进：进料方式由液体进料改为气体进料；反应器内原有的不锈钢丝网用定制的石英筛板替换；收集系统减少了管线，并用真空吸水法替代了压水法。

The mold is made of the silicone pattern layer with a quartz supporting plate. The parameters in a vacuum casting process and a hardening process for composing the silicone are optimized to improve the physical properties of the mold to keep adequate demold and pattern accuracy.

分析了硅橡胶模具制作工艺中真空辅助浇铸的成型过程，以及交联固化反应过程的各个工艺参数对硅橡胶模具性能的影响，通过大量实验，具体分析了硅橡胶单体和固化剂配比、浇铸真空压力、固化温度及固化时间等工艺参数，并由此得到了优化的硅橡胶固化工艺参数，提高了硅橡胶模具的物理性能。

An important character of radiation is that it can occur in a vacuum.

辐射的一个重要特点是它能够出现在真空里。

Radio wave is another term of electromagnetic wave, it travels at the same speed of light in vacuum.

以至于我们的地球更容易被外星生物的卫星发现。

Based on the analysis on the control system and sintering principle of vacuum nitridizing sintering temperature,a rational nitriding sintering technical curve was developed.

在对真空氮化烧结温度控制系统和烧成机理进行分析的基础上，开发制定了合理的氮化烧成工艺曲线。

Looking to bounce back from defeat against Cesena last weekend, the Calabrian boss will be sticking to his tried and tested 4-3-3, with Lopez and Sedivic joined up front in Giampaolo's absence by either Nanni or Plasmati.

鉴于上周末对切塞纳的比赛中反败为胜，这支南方球队将会更坚持其一贯而有效的4-3-3阵型，洛佩斯和塞德维奇将取代受伤缺席的詹保罗，和纳尼或者帕斯马蒂中的一个搭档锋线。

Meanwhile, their exposure to the more freewheeling ways of the West broadened dramatically.

另外，西方较自由的生活方式对年轻人的影响增大。