用标记牌跟踪记录接触时间。
接触时间越长越容易感染。
随接触时间的延长而增大。
Largeradsorption capacity is obtained with the longer contact-time.
微管实验测量了粘附频率对接触时间的依赖关系。
The dependence of binding frequency on contact duration was measured.
其危害程度取决于噪音强度大小和接触时间的长短。
The hazard depends both on the intensity of the noise and the duration of the exposure.
同时，目前与在校大学生接触时间最长的媒体是互联网。
Meanwhile, university students spent most of their time on Internet surfing compared with other kinds of media.
滤速越低，有机物与滤床接触时间越长，去除效果越好。
With the slower filter speed, the time that organic matter touches the filter bed longer, the removing effect is better.
感染SARS与接触传染源的程度以及持续接触时间有关。
Infection of SARS might be concerned with the intensity and persistence of contact with the infectious sources.
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。
So the techniques of short contact time and quick speed oil gas separation in residua catalytic cracking should be taken.
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。
The effects of temperature, ratio of methanol to water, contact time on the percent conversion of isoflavone were studied.
此外，在12周的训练后两组间击球的接触时间并没有明显的不同。
Additionally, there were no significant differences for either group for time to bat-ball contact after 12 weeks of training.
在我们的文化中，如果两个陌生人间眼神接触时间过长则意味着挑战。
In our culture eye contact between strangers for more than a brief moment is considered a challenge.
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。
It shows that this method has high nitrifying characteristics and the contact time has a certain effect on nitrifying characteristics.
空床接触时间(EBCT)、活性炭粒径对MCRB实验有一定影响。
The carbon particle size and the empty bed contact time (EBCT) affected MCRB performance.
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。
Questionnaire mainly media contact time, the media, purpose and impact of media exposure and other factors.
修改一份特定的规程的最简单的方法是调整接触时间以及溶液温度和浓度。
Adjusting contact times and solution's temperature and concentration would be the simplest way to modify a specific procedure.
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)。
Hot water is forced through the grounds under high pressure, resulting in extremely short extraction time (contact time between the water and the grounds).
探讨了接触时间、污水酸度、粉煤灰用量、粉煤灰粒径等因素对处理效果的影响。
The effect of the contacting time, the pH of sewage, the amount and diameter of fly ash was studied.
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。
The antimicrobial activity of modified montmorillonite increases with the increase of concentration and contact time.
同时，还探索了分段控温程序、物料配比、反应接触时间等对产品质量和产率的影响。
The temperature-controlling programme, reaction material ratio and reaction time on the quality and yield of the product were also investigated systematically.
这项研究发现，五秒钟定律有一定道理，食物同表面接触时间越长，沾染的细菌就会越多。
The research found that the five-second rule has some validity in that longer contact times resulted in transfer of more bacteria.
这尤其会出现在以下地带：受热侵袭的地方或者需延长和材料表面接触时间的残留物存在处。
This is particularly applicable in those zones that are either heat affected or have had residues remain in contact with the metal surface for prolonged periods.
结果观察组肉类烧烤厨师末梢血淋巴细胞微核率高于对照组餐饮服务员，且与每日接触时间有关。
Results The frequency of micronucleus cells of cooks engaged in barbecue production was higher than that of the control group, and it was related to daily exposure time.
冷模实验表明：多级错流短接触汽提方法能将汽提介质与催化剂的接触时间控制在两级挡板之内。
The cold model experimental results indicated that the MCSS degassing tower keeps the contact between catalyst and steam within two stages.
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。
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.
这是不是意味着学校教育的失败？不一定。因为学习效果的差异，仅仅可能是接触时间多少不同的结果。
Does this mean that schools have failed? Not necessarily since the differences in achievement may simply be the result of exposure time.
该种计划应包括区域噪声监测，工人接触时间跟踪，PPE保护用品的提供和使用，工人的培训与体检。
This programme should include area noise monitoring, workers exposure level monitoring, PPE requirement, workers training and health surveillance.
热封：把两层或多层表面融合为一的方法。它是把涂层或基层材料在固定的温度、压力和接触时间下进行。
Heat sealing: a method of uniting two or more surfaces by fusion either of the coatings or of the base materials under control led conditions of temperature pressure and dwell time.
眼神接触时间太短——会使你看起来不可信或过度紧张。应保持稍长时间的眼神接触，特别是在握手的时候。
Breaking eye contact too soon - can make you seem untrustworthy or overly nervous. Hold eye contact a hair longer, especially during a handshake.
眼神接触时间太短——会使你看起来不可信或过度紧张。应保持稍长时间的眼神接触，特别是在握手的时候。
Breaking eye contact too soon - can make you seem untrustworthy or overly nervous. Hold eye contact a hair longer, especially during a handshake.
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