Nutrients are absorbed mainly through roots of plants by interception, mass-flow and diffusion.
植物主要是通过根系吸收养分，一般通过根系截获、质流和扩散三种方式。
This thesis describes a compound combustion mode in the dual fuel engines that combines both premix and diffusion combustion.
本文探讨了以双燃料发动机为代表的预混合和扩散燃烧共存的复合燃烧模式。
The good properties of solution and diffusion of supercritical fluid are helpful for removing the deactivation of catalysts in catalytic reaction.
利用超临界流体良好的溶解性能和扩散性能可以很好地解决非均相催化剂的失活问题。
The analysis indicates that cold plastic deformation results in crystal lattice defects, which facilitates the absorption and diffusion of boron atoms.
分析认为，冷塑性变形可使位错等缺陷增加，有利于硼原子的吸收与扩散。
The nitrided layer of pure iron consists of compound layer and diffusion layer.
纯铁渗氮层则由化合物层和扩散层组成。
The oxidation control factor is "the mixed control of interface reaction and diffusion".
氧化控速过程为“界面反应和扩散混合控制过程”。
The lung function damage is limitation ventilation dysfunction and diffusion dysfunction.
肺功能损害表现为限制性通气功能障碍及弥散功能障碍。
Financial cluster is the process including financial resources concentration and diffusion.
金融集聚是金融资源既集中又扩散的过程。
A numerical model for turbulent fluctuation and diffusion of gas-particle flows is presented.
本文提出了气固两相流动的湍流扩散数学模型。
Oxidation and diffusion wears accelerated failing progress of cermet cutters at higher cutting speeds.
高速切削时，氧化和扩散磨损加速了刀具的失效进程。
The study of the hazardous material (HazMat) leakage and diffusion is the base of emergency management.
对危险化学品泄漏扩散的研究是事故应急救援的基础。
The chloride concentration and diffusion coefficients increase with Numbers of freezing-thawing cycles.
氯离子扩散系数随着冻融循环次数的增加而增加。
The results concerning fluctuating loads on orifice plates and diffusion chamber walls are given as well.
对孔板和扩散室管壁脉动荷载的试验研究成果也作了简要介绍。
Objective To investigate the relationship between diffusion time and diffusion tensor-derived parameters.
目的研究扩散张量导出量与扩散时间的关系。
The stepped-up pace of invention, application and diffusion, in turn, accelerates the whole cycle still further.
反过来，发明、应用与推广的速度的加快进一步加速了整个过程的循环。
The urban synthesized competitiveness is a concentrated reflection of the city's gathering and diffusion function.
城市综合竞争力集中反映了城市经济的聚集和扩散功能。
The hydrogen bond structure and diffusion behavior of water at supercritical states were investigated by MD simulation.
采用分子动力学(MD)模拟的方法对超临界条件下水的结构及扩散性质进行了研究。
In salt water the composites had less water absorption, absorption rate and diffusion coefficient than that in di water.
与在去离子水中相比，材料在盐水中饱和吸水率、初始时吸水速率和水扩散系数较小。
The definition and characteristics of the reaction and diffusion process were proven depended on infinitesimal operators.
而反应扩散过程的定义和性质也依赖于其无穷小算子的性质。
This paper is mainly concerned with optimal harvesting policy for three competing species with age-dependent and diffusion.
本文主要研究具有扩散和年龄结构的三种群竞争系统的最优收获策略问题。
Based on the idea of neighboring regions velocity spread, an algorithm of water wave transmission and diffusion is proposed.
提出了基于邻域速度传播的水波生成与扩散算法。
Metal solid transformation is simply classified into shear and diffusion type, which would lead to doubt and even confusion.
金属固态相变被简单区分为切变型、扩散型两类，难免引起质疑甚至混乱。
Because natural gas and water have different relaxation time and diffusion coefficient, we can use DSM and SSM to identify them.
由于天然气和水的弛豫时间和扩散系数的差异，可以利用差谱分析法和移谱分析法来识别天然气。
In this dissertation, we are concerned with the pattern formation of some prey-predator models with reaction and diffusion from biology.
本文讨论来自于生态学中的几类反应扩散和交错扩散捕食模型的模式生成问题。
The secondary disasters often take place following the destructive earthquake, such as poison gas leakage and diffusion, fire, blast, etc.
破坏性地震伴随发生的火灾、毒气泄漏与扩散、爆炸等次生灾害所造成的损失不容忽视。
Decreasing hydraulic conductivity and diffusion coefficient may delay the increasing rate of the concentration ratio at the base of a GCL.
结果表明，减小渗透系数和扩散系数可以有效减缓衬垫底部浓度比的增加速度。
The process of conversion of methane to nana-carbon black and acetylene via thermal Plasma is under the control of mixing and diffusion rate.
本装置上，等离子体热解天然气制乙炔和炭黑的动力学不是由反应速度控制，而是由混合与扩散控制。
The process of conversion of methane to nana-carbon black and acetylene via thermal Plasma is under the control of mixing and diffusion rate.
本装置上，等离子体热解天然气制乙炔和炭黑的动力学不是由反应速度控制，而是由混合与扩散控制。
应用推荐