利用线源长期平均浓度模式对面源的积分得到了一个用风向、风速和稳定度的联合频率计算大气面源长期平均浓度的新算法。
A new method of calculating long term mean concentration of air pollutant from area source is proposed by integrating the line source long term mean concentration model.
水和自然的解决方案创建一个模式中的半导体材料作为水的蒸发浓度。
The water and solution naturally create a concentration of semiconducting material in the pattern as the water evaporates.
那些热心关注长期气候模式的人们会发现大气中的二氧化碳浓度波动不是温度变化的诱因,而是其结果。
Those who pay honest attention to long-term climate patterns will note that atmospheric CO2 concentration fluctuations do not lead, but typically follow, temperature changes.
根据分析结果,以车密度为主要变量,建立了高架道路污染物浓度分布模式。
Then the distribution model of elevated road pollutant concentration was established, taking vehical density as the main variable.
在研究局部地区空气污染时,目前国内外应用较为广泛的仍是假设烟羽浓度为正态分布的高斯模式。
Gaussian model with the assumption of the normal distribution of plume concentration is mostly applied for the evaluation of local atmospheric pollution in the world.
此模式是以藉著在启始?路时增加氧浓度,维持适当血球容积以及用无枸橼酸之血液晶质启动而使得本技术得以成功。
Success of the model was enhanced by increasing the oxygen concentration on initiation of the bypass, maintenance of an appropriate hematocrit and priming with non-citrated blood crystalloid.
用四种挥发模式对挥发性有机物总浓度-时间关系做回归分析,同时计算出表面挥发速率。
The relation between the total VOCs concentration and time was regressed by four emission models and the surface emission rate was calculated.
据此,我们推荐了倾斜高斯烟流模式及其参数算法系统予测排气塔后部的浓度分布。
Further more, tilted model of Gaussian plume and parameter system have been recommended to predict concentration distribution behind wind tower.
基于将风场预报和烟羽浓度预测作为一个系统的考虑,介绍用于核事故早期应急响应的预报模式和设计方案。
The forecast model and its design for early emergency response to nuclear accidents are introduced, based on considering wind fields forecast and plume concentration prediction as one system.
提出一种基于膜电极(MEA)结构的驱动模式甲醇浓度传感器。
A drive mode methanol concentration sensor based on membrane electrode assembly (MEA) is provided.
采用毛细管电泳-迎头分析模式首次测定了人血清白蛋白溶液、人血浆、兔血清和血浆中游离氯氮平的浓度。
Capillary electrophoresis in the FA mode was developed to determine the unbound clozapine concentration in HSA solution, human plasma, rabbit serum and plasma in in vitro experiment.
建立了一个用于模拟SO2浓度分布的简单空气质量数值模式预报系统(SAQMS)。
In this thesis, we built a Simple Air Quality Numerical Model System(SAQMS) for forecasting SO2 concentration.
对于面源范围内部的浓度,模式可以通过数值积分算法进行估算,所以用户可以输入任意小的距离。
Since the numerical integration algorithm can estimate concentrations within the area source, the user can enter any value for the minimum distance.
通过分析,作者认为大气模式中的边界层模式差异对沙尘暴中沙尘浓度的模拟能产生较大影响。
The results show that the boundary layer scheme in atmospheric model may play an important role in simulating concentration of dust storm.
重点阐述了模式选择和参数取值及浓度叠加计算。
The emphases are placed on the selection of prognostic mode, ascertainment of parameters and superimposed calculating of pollutant density.
不同酒精浓度处理、后熟期、覆土厚度、覆土模式直接影响杏鲍菇生物学效率的高低。
The different alcohol concentration, method and thickness of casing soil effect directly the biological efficiency of Pleurotus errngii.
目前计算机制作的气候变化模式还不够精细,不足以复制阻拦现象。因此,要判断阻拦现象的发生就是温室气体浓度不断提高而造成的,现在还说不准。
Computer models of climate are not detailed enough at present to reproduce blocking events, making it impossible to say whether rising greenhouse gas concentrations makes them more likely to happen.
通过向养殖水体充氧,从而使水体中维持较高浓度的溶解氧,是该养殖模式水质管理的主要调控措施之一。
Increasing oxygen in order to maintain the higher dissolved oxygen (DO) concentration in the water body is one of the main adjusting measures in this farming mode.
并用区域模式与局地模式相叠加的方法预测了不削减方案下2000年“湘桂走廊”的SO_2浓度及硫沉降趋势。
By means of combining a regional-scale model with a local model, SO2 concentrations and sulfur depositions in Xianggui Corridor without control in 2000 were predicted.
在模式耦合理论推导的低浓度时离子摩尔电导率与离子浓度的关系式中,引入离子迁移数,提出了求离子极限摩尔电导率的新方法。
The ion transfer number is introduced in the formula describing the relationship between ionic limiting molar conductivity and ionic concentration based on mode coupling theory(MCT).
这里利用成熟的室外大气污染物扩散理论- 梯度输送理论和箱模式理论,提出焊接烟尘在室内的扩散模式和浓度分布的理论计算方法。
In this paper, the diffusion model and the theoretic calculation method of welding dust are given by gradient transportation theory and box model for outdoor atmospheric pollutants.
在借鉴大气总量控制箱模式的理论基础上,探讨了室内空气污染物浓度的新的计算方法,并通过此模式对影响因素作了分析和分情况解释。
Based on the box model used in atmospheric Science, Calculation of indoor air pollution concentration had been developed and it's effect factors were discussed as well.
利用与非静力平衡中尺度气象模式完全耦合的区域沙尘数值模式,模拟研究这次强沙尘天气过程中沙尘浓度的空间分布结构和时间演变趋势。
The spatial and temporal distribution and development of dust concentration and structure were simulated by a coupled dust model with non-hydrostatic mesoscale model.
结果表明在等温中性的大气条件下,该模式对烟幕的扩散及浓度计算准确。
Comparison result show that on the isothermal medium atmosphere condition, the numerical simulation result of smoke diffusion and smoke concentration is accurate.
爆发型模式的通道电流不仅有浓度依赖性和电位依赖性,其升放时间常数也随箝制电位变正而增大。
The unitary current of burst mode was not only dependent on Na concentration in the pipettes but also on the test voltage.
介绍了干吸工序自动串酸系统存在问题及解决措施,针对泵槽液位计、酸浓度分析仪、串酸调节阀、自动串酸模式存在的问题做了相应改进,并整定了调节回路PID参数。
Liquid level transmitter of pump tank, concentration analyzer, crossflow regulating valve and automatic crossflow model were improved and PID parameters of regulating loop were tumed.
我们用此模式计算了1983年8月中旬兰州市西固地区的光化学烟雾浓度。
Using the model and monitored data for photochemical smog in Xigu industrial area of Lanzhou city for 6 days of August, 1983, the numerical simulation was run.
我们用此模式计算了1983年8月中旬兰州市西固地区的光化学烟雾浓度。
Using the model and monitored data for photochemical smog in Xigu industrial area of Lanzhou city for 6 days of August, 1983, the numerical simulation was run.
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