扩散

A new method for determination of diffusion coefficient with diaphragm-cell has been suggested, by which the differential diffusion coefficient can be directly determined and a tentative experiment has been done.

提出了膜池测定液相扩散系数的新方法。这一新方法能够直接测定溶液的微分扩散系数，并采用标准物系对上述方法进行了初步的实验验证。

LNG;Leakage; Diffuseness; Gas Dispersion Model;Numerical Simulation; Safety Evaluation

液化天然气；泄漏；扩散；气体扩散模型；数值模拟；安全评价

In the calculation of COD and DO, the atmosphere oxygen resume equation and coefficient considered the molecule diffuseness and turbulence diffuseness are successfully exercised, and made a better result.

其中，COD、DO的计算中，成功的运用了本文建立的考虑了分子扩散和紊动扩散两种因素的大气复氧方程和大气复氧系数计算公式，取得较好的结果。

It includes:the items and methods of the investigation into motor vehicle exhaust emission; how to calculate the emission factor;how to choose and set the atmospheric pollutants diffuseness model in urban street;how to calculate the quantum of vehicle exhaust emission and the concentration of traffic pollutants diffuseness in street in traffic network,and how to evaluate traffic pollution of traffic network load.

以可持续发展的城市交通规划理念为基拙，探讨了城市交通规划过程中机动车对空气污染的影响进行分析的关键技术：机动车尾气排放的调查内容与调查方法、单车排放因子的确定、城市街道污染物扩散模型的选择和建立、交通网络环境条件下机动车尾气排放量和街道污染物扩散浓度的计算及交通网络负荷条件下交通污染评价。

The water body is usually in the flowing state, the atmosphere oxygen resume includes the molecule diffuseness and turbulence diffuseness. Especially in the slowly flowing water, such as the reservoir and the backwater river, the velocity has only the 10〓m/s level, it is necessary to consider both kind of diffuseness.

水体一般都处于一定的流动状态，其大气复氧作用，既有分子扩散，又有紊动扩散，尤其流速非常缓慢的湖流，库湾回水段水流，流速只有10〓m／s的量级，这种情况下，同时考虑二者的复氧作用是非常必要的。

McLaren also has a new diffuser in China, but it is merely a development of its conventional design.

迈凯轮在中国也有一个新的扩散器，但它仅仅是一个常规设计的扩散器。

When the soldering temperature and soldering heat-retaining period is identical, the diffusibility of Cu in the rapid-solidifying solder is remarkably higher than that of the ordinary solder.

同时，在相同的钎焊条件下，快冷钎料Cu元素的扩散能力均比普通钎料的扩散能力强。

The calculation results of catalyst efficient factor showed that the catalyst inner diffusibility had great effect on the partial oxidation and steam reforming of gasoline, which was serious with the increasing reaction temperature.

催化剂效率因子的计算结果表明内扩散对汽油氧化重整制氢反应过程影响较大，且内扩散影响随着反应温度的增加而增加。

A combination of silty soil with dredged soil to enhance the geoenvironmental properties was investigated by series of laboratory tests involving adsorptivity and diffusibility which were mainly cared in clay liner of landfill.

等温吸附试验和扩散试验的结果表明：粉质粘土掺入疏浚土后，对金属离子的吸附能力得到增强，尤其对高价Cu2+的吸附能力显著提高，同时可以显著地降低Cu2+的扩散系数。

Objective: To evaluate the feasibility of diffusion-weighted imaging and apparent diffusion coefficient in diagnosis of cervical cancer.

目的：分析正常子宫宫颈3层结构及宫颈癌的扩散加权成像特点，探讨其及相应的表观扩散系数对宫颈癌的诊断价值。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。