The reactions are rapid requiring only a few seconds of contact time.
这个反应是快速的、只需要几秒钟的反应时间。
Five hours is contact time. That's three hours here, and two hours with the recitation instructor.
联系时间是5个小时，这有三个小时，其余2小时是和背诵课的讲师。
The effects of temperature, solvent, material ratio and contact time on the yield were studied.
探讨了温度、溶剂、投料比和反应时间对收率的影响。
Questionnaire mainly media contact time, the media, purpose and impact of media exposure and other factors.
问卷调查主要涉及媒体接触时间、媒体使用目的和媒介接触影响等要素。
The influence of Zeolite size, filter velocity and contact time on removing -nitrogen has been discussed too.
同时．考察了粒径、滤速等对沸石除氨氮效果的影响。
The antimicrobial activity of modified montmorillonite increases with the increase of concentration and contact time.
随着季鏻盐改性蒙脱土浓度的增加和接触时间的延长，改性蒙脱土的抗菌性能增强。
So the techniques of short contact time and quick speed oil gas separation in residua catalytic cracking should be taken.
因此，渣油催化裂化宜采用短接触时间和快速油气分离技术。
There's an accelerometer that detects when your foot hits and leaves the ground, calculating that all-important contact time.
一个加速度测量仪捕捉你脚接触和离开地面的情况；
The effects of temperature, ratio of methanol to water, contact time on the percent conversion of isoflavone were studied.
研究了温度、进料配比以及接触时间对游离型异黄酮转化率的影响。
This causes a shorter contact time at the hot-filament or in the plasma zone and therefore a lower concentration of atomic hydrogen.
这使得它在热丝带或等离子带中的接触时间较短，从而导致原子态氢浓度较低。
It shows that this method has high nitrifying characteristics and the contact time has a certain effect on nitrifying characteristics.
试验表明该法具有较高的硝化性能，接触时间对硝化性能有一定影响。
Its germicidal efficacy decreased with decreasing available chlorine concentration, shortening contact time or presence of organic substance.
其杀菌效果随有效氯浓度减少、作用时间缩短、有机物存在而下降。
The adsorption experimental results showed that ammonia nitrogen removal efficiencies of sand increased as contact time and dosing quantity increased.
吸附实验表明，砂对氨氮的去除率随振荡时间和投加量的增加而增加。
Hot water is forced through the grounds under high pressure, resulting in extremely short extraction time (contact time between the water and the grounds).
热水在高压作用下通过咖啡粉；因此萃取时间非常短(水与咖啡粉的接触时间)。
The pilot study was done on the filling shape of liquid metal in lost foam process with dry sand by using rapid photography method and contact time method.
采用高速摄影法和电极触点法，对干砂消失模铸造金属液的充填形态进行了初步研究。
In this paper the procedure and the result of analysing the coal liquid which was formed in short Contact time liquefaction by fluorescence spectroscopy were described.
本文提出了以甲醇作溶剂用荧光光谱分析煤短接触液化产品的方法。
A newly down flow reactor with new ways of feed atomization and oil catalyst contact was developed according to the characteristic of ultra short contact time catalytic cracking process.
根据超短接触时间催化裂化工艺的特点，开发了具有新型原料雾化和剂、油接触方式的下行式反应器。
Lantern Festival party night, guests participate in the selection selected the lucky winners the audience vote, CCTV staff contact time with the award winners from the payment of prizes.
元宵晚会当晚，嘉宾选出了参与评选投票获奖的幸运观众，央视工作人员会与获奖观众及时联系发放奖品。
In this paper, the stable bed with Biological contact Oxidation method is used to test the Nitrifying Characteristics of city domestic wastewater. The effect caused by contact time is also tested.
利用生物接触氧化法固定床，对城市生活污水进行了硝化性能的试验研究，及接触时间对硝化性能的影响。
To react at a shorter contact time can enhance skeletal isomerization reaction under lower reaction temperature, since isomerization is a relatively quick reaction during catalytic cracking process.
骨架异构化反应是一个快速反应，低反应温度下减少反应时间会增强催化过程中的骨架异构化反应。
Time spent using the Internet cannot be spent in face-to-face social contact, so psychologists have speculated that sharply increasing Internet use can cause depression.
使用互联网的时间不能用于面对面的社会接触，因此心理学家推测，大量使用互联网会导致抑郁。
People who have spent a lot of time in contact with animals often develop animal-induced allergies, some of them quite serious.
与动物接触过很长时间的人通常会患上对动物过敏的疾病，其中一些还很严重。
People who have spent a lot of time in contact with animals often develop animal-induced allergies, a significant percentage of which are quite serious.
与动物接触过很长时间的人往往会患上动物过敏，其中大部分是相当严重的。
If you don't make it to class, contact your TA, your recitation instructor, and you can take makeup within a week of the time of the original test.
如果你不能来上课，联系你们的助教、背诵课的老师，你可以在测试后那个礼拜内找时间补回来。
At the same time, the app will send an alert to the contact who is keeping you company.
同时，应用程序会向你身边的联系人发送警报。
We wanted to know if the length of time food is in contact with a contaminated surface affected the rate of transfer of bacteria to the food.
我们想知道食物与被污染的表面接触的时间长短是否会影响细菌转移到食物上的速度。
Make eye contact with the people passing, nod to them, gesture keen interest in talking to them at a later time, point to your phone, shrug and move on.
与经过的人进行眼神交流，向他们点头，做出很感兴趣且稍后会与他们交谈的手势，指向你的手机，耸耸肩，然后继续前行。
Artist Michael Craig-Martin said: "Andria's brilliant project to bring artists from all fields into direct contact with children is particularly welcome at a time when the arts are being downgraded in schools."
艺术家迈克尔·克雷格-马丁说：“在这个艺术在学校里被降级的时代，安德里亚让来自各个领域的艺术家与儿童直接接触，这样出色的项目特别受欢迎。”
You could, if required, enter all your contacts twice-once for each contact list-and then, each time you have a change, make the change in both lists.
如果有必要，可能需要输入您的所有联系人两次—每个通讯录一次—每次变更联系人时，都需要同时在两个列表中进行更改。
Now when both people and machines are available, it is time to contact the administration and ask them about a free booth for the project.
现在人和机器都有了，请在适当的时候联系展会的管理者，请他们为我们提供一个免费的摊位。
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