This raises the matter of a lake's residence time.
这就引起了湖泊的“停留时间”问题。
A given lake's residence time is by no means a fixed quantity.
某一湖泊的“停留时间”并不是一个固定值。
They range from a few days for small lakes up to several hundred years for large ones; Lake Tahoe, in California, has a residence time of 700 years.
它们从小湖的几天到大湖的几百年不等；加州的太浩湖有700年的滞留时间。
For a time, it was the residence of important 13th century Persian scholar and astronomer Nasir al-Din al-Tusi.
13世纪波斯学者和天文学家纳西尔·艾德丁·图西曾在此居住。
It would grant temporary residence to any foreigner who comes here to establish a company and permanent residency if that company generates a certain level of new full-time jobs and revenues.
它将给予每个来这里开公司的外国人暂时居住权，如果这个公司能够提供一定的全职工作和获得一定的收入，那么他们就可以获得永久居住权。
The Obamas, staying at the historic Hay-Adams hotel opposite the White House, took up residence in the capital early so the children could start school on time.
正居留在白宫对面的具有一定历史的海伊-亚当斯酒店的奥巴马夫妇是为了能早点定居首都以便他们的孩子能即时开始上学。
That is adjacent to the foreign secretary's residence, where William Hague is believed to have been at the time.
这个地方毗邻外相的住所，其中威廉姆·黑格被认为当时就在那儿。
The best architects of that time created such a work of art, that, according to the legend, even a seasoned French nobleman took the stables for the residence itself, so luxurious they were.
当时最优秀的建筑师创造了这一杰作。据说有个老练的法国贵族把城堡的马厩当成了房间，可见奢华至极。
These had flourished at a time of chronic skills shortages, when hairdressing and catering qualifications opened up a fast track to permanent residence in Australia.
这些学校在澳大利亚长期缺乏职业技术人员的情况下，如雨后春笋般冒出，那时，诸如美发，餐饮等职业资格能够提供一条快速的移民澳大利亚的通道。
Intelligent picture rotation, surface rotation and residence time can be arbitrarily set.
智能画面旋转，面旋转和停留的时间可以随意设定。
Influence of mesophase content, oxidation temperature and oxidation residence time on the non fusible treatment of mesophase petroleum pitch fibre was investigated under air atmosphere.
以空气作为氧化气氛，考察了氧化温度、氧化停留时间、中间相含量对中间相沥青纤维不熔化处理的影响。
Factors affecting coking at the bottom of the fractionator are composition of slurry, temperature, catalyst content and residence time.
影响分馏塔底结焦的因素有分馏塔底油浆的组成、温度、催化剂含量及停留时间。
But the conventional activated sludge process technology has some shortcomings: long water residence time, low processing power per unit area, large area reactor, sludge bulking and so on.
但是传统的活性污泥法工艺存在工艺流程长、污水停留时间长、单位面积处理能力低、反应池占地面积大、污泥膨胀等缺点。
At some conditions the simplified methods for calculation of the residence time distribution for reactors with circulating systems are suggested.
提出了在某些情况下外循环反应器停留时间分布的简化计算方法。
For a long time the concept of artist in residence programs was not widely understood, and certainly not available within the Chinese arts infrastructure.
很长一段时间里，留驻计划的艺术家概念并未得到广泛的理解，自然也就没能在中国艺术建构中发挥作用。
Result: There were significant differences between the result of different residence time and different injection site, while no difference was found in weather the local skin was pinched or not.
停留不同的时间及选择不同的注射部位所得结果之间的差异具有显著性，而局部皮肤是否捏起所得结果之间的差异无显著性。
Besides, the influences of sound pressure level, residence time and initial total number concentration on agglomeration were investigated.
同时，研究了声压级、停留时间和气溶胶初始浓度等参数对声波团聚的影响。
Effects of coal rank, coal maceral, temperature, heating rate, coal particle size, residence time, atmosphere, and pressure on the phenols production in coal conversion were discussed in this paper.
本文探讨了煤化度、煤岩组成、温度、加热速度、煤颗粒大小、停留时间、反应气氛和压力对煤转化过程中酚类产生的影响。
When the outlet coolant temperature or heat-transfer temperature difference is chosen, the acceptable mean residence time can be calculated by the second limiting condition.
在冷却介质出口温度或传热温差选定的情况下，可以由第二个条件计算满足热稳定性的平均停留时间。
The effect of residence time on ethanol yield, residual sugar, ethanol productivity and reactor volumetric efficiency were studied.
研究了停留时间对乙醇产量、残糖量、乙醇生产能力和反应器效率的影响。
The PT acid content in PTA was controlled from the aspects such as in-feeding, crystal temperature, slurry flow and residence time.
从进料、结晶温度、浆料流速和停留时间等几个方面进行控制，降低了PTA中的PT酸含量。
The velocity profile and residence time distribution in cold model of Texacogasifier were measured.
测定了德士古气化炉的冷态速度分布和停留时间分布。
The average residence time of oil gases in the disengager is also shortened by adding an unique device for gas withdrawl.
采用特殊设计的气体引出方式，大大缩短了油气在沉降器内的平均停留时间。
The residence time distribution in W-SFCW system experiments was studied using the reactor theory, from chemical engineering.
运用化学工程中反应器理论，试验分析波式潜流人工湿地（W-SFCW）中的停留时间分布。
Dogs in residence for both long and short term boarding enjoy the option of spending days in group play time or relaxing in their private suites.
无论是长期还是短期度假的狗都会享受白天和其他宠物共同玩耍的时光和在自己私人空间放松的快乐。
Cache Creek Residence was designed for a long-time resident who wanted a cost-effective, modern house to contrast with the "tired, pedestrian neighbourhood" in the east of the city.
卡什·克里克住宅为长期居住的居民设计，他想要一个划算、现代的房子，与城市东部“陈旧的、平淡无奇的街区”形成对比。
Meanwhile, the effects of different compounding process and processing condition such as residence time and screw configuration on PCN were summarized.
概述了停留时间、螺杆结构等加工条件和不同成型工艺对制备pcn的不同作用。
Pulse tracer method was used to measure the residence time distribution (RTD) in Two-dimensional Three-phase circulating fluidized bed.
用脉冲示踪法对二维三相循环流化床液体停留时间分布(rtd)进行了测定。
The residence time distribution for reactors with circulating systems is analysed.
本文对外循环反应器的停留时间分布进行了分析和计算。
The residence time distribution for reactors with circulating systems is analysed.
本文对外循环反应器的停留时间分布进行了分析和计算。
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