The uniqueness theorem of monopolar ion flow fields is first discussed and proved.
本文首次讨论了单极性离子流场的唯一性定理,并作了理论证明。
Ion channels are protein pores of cellular membranes and ion flow is the basis of signal transfer between different cells.
离子通道是细胞膜上的蛋白质孔道,离子的跨膜流动是细胞传递信息的基础。
Ion channels are pore proteins of cellular membrane and the ion flow is the basis of signal transferring among different cells.
离子通道是细胞膜上的蛋白质孔道,离子的跨膜流动是细胞传递信息的基础。
Using . Deutsch's and Kaptsov's assumptions, the fundamental equations and boundary conditions of a 3-dimensional ion flow field are simplified.
采用适当的假设,可使三维直流离子流场的泛定方程和边界条件得以简化。
Because the utility model adopts the form of electron-acceleration of ion-ion bonding so as to cause ion flow collected by a base plate (a workpiece) is only 10 to 15 percent of target current.
由于本实用新型偏压采用电子—离子加速—离子结合形式,使基板(工件)所收集到的离子流是靶电流的10—15%。
Many biological processes depend on the ability of ion channels to regulate the flow of ions through cellular membranes.
许多生物学过程依赖离子通道的这种能力来调节通过细胞膜的离子流。
Another source of information is genetic. Long QT syndrome is caused by defects in ion channels, proteins that maintain heartbeat by controlling the flow of ions across the membrane of heart cells.
长qt综合征的另一个来源是遗传,长qt综合症是由离子通道的变异引起的,蛋白质通过控制离子流经细胞薄膜来维持心跳。
Meathods: to observe the effect of inhibit ion of VMAT on PC12 cells and their death way with MTT and flow cytometer.
方法:用MTT法及流式细胞仪观察VMAT功能抑制对大鼠嗜铬瘤细胞(PC12)存活的影响和细胞死亡方式。
Lithium ion battery, flow cell, sodium sulfur battery, lead acid battery, lead carbon battery, zinc bromine battery and other chemical energy storage products.
锂离子电池、液流电池、钠硫电池、铅酸蓄电池、铅碳电池、锌溴电池等化学储能产品。
Single peak insulin was purified by using DEAE-Sepharose fast flow ion exchange chromatography and crystallizing with zinc component.
单峰胰岛素经deae琼脂糖快流速离子交换层析后用醋酸锌结晶,得到结晶单组分胰岛素。
The separation and determination of trace sulfide in water, combined with flow injection analysis is carried out by low ion chromatography with chemiluminescence detection.
结合流动注射技术,将低压离子色谱与化学发光联用检测痕量硫离子。
The methods are as follows: spectrophotometry, turbidimetry, atomic absorption spectrometry, polarography, conductance, ion selective electrode, ion chromatography, and flow injection analysis etc.
包括:分光光度法、比浊法、原子吸收法、极谱法、电导法、离子选择电极法、离子色谱法和流动注射分析法等。
Closure of pores at elevated temperatures meets the demand for the shut down property in Lithium-Ion batteries, stops current flow, thereby reducing the risk of ignition and explosion.
在更高的温度下闭合毛孔的特性符合锂电池关闭的要求,可停止现行流量,从而减低燃烧和爆炸的风险。
The paper mainly refers to the analytical application of flow injection chemiluminescence in pharmaceutical and metal ion analysis and consists of two parts including summary and the research works.
本学位论文主要研究了流动注射化学发光分析法在药物及金属离子分析中的应用,它包括综述和研究报告两部分。
In this paper, ion-exchange membrane used for EDI is studied, and flow field distribution modeling of dilute chamber with computational fluid dynamics (CFD) software is studied for the first time.
本文主要对EDI设备中的离子交换膜进行研究,并首次采用计算流体力学(CFD)软件对淡水室隔板的流场分布进行模拟。
The technique combining the flow injection system of on-line ion-exchange with hydride generation-atomic fluorescence spectrometry was proposed for the determination of the trace Arsenic in steel.
提出了流动注射离子交换在线分离-氢化物发生原子荧光光谱法测定钢铁样品中痕量砷的分析方法。
The fluoride ion, TDS and the chloride ion spatial distribution have the certain relevance with groundwater flow.
氟离子、TDS与氯离子空间分布与地下水流动方向有一定的相关性。
The influence of chamber pressure, gas flow rate and RF power on micro loading effect in reactive ion etch of silicon dioxide is researched.
对二氧化硅反应离子刻蚀中反应室压力,刻蚀气体流量和射频功率等因素对刻蚀速率和刻蚀均匀性的影响进行了研究。
In this paper, a flow-injection system with on-line ion-exchange preconcentration and atomic absorption detection was developed and applied to the determination of tEe amount of lead in natural water.
本文提出了痕量铅的在线流动注射离子交换预浓集火焰原子吸收测定方法,并将其应用于天然水的分析。
The factors affecting the separating efficiency such as the concentration of copper ion in bulk solution, the concentrations of surfactant and flocculant, and the gas flow velocity, were investigated.
探讨了影响分离效率的各种因素——主体溶液中铜离子浓度、活性剂浓度、凝聚剂浓度、气流速度等。
This paper advanced how to add damping equipment among the structures of metal tube rotary flow meter according to analyses the working condition of production line of ion exchange soda.
通过对离子膜烧碱生产线工况条件分析,提出了在浮子流量计结构中增加阻尼装置等措施。
Oxide ion yield of the rare earth elements (REE) decreased with the increasing of RF power and the sampling depth, or with the decreasing of carrier gas flow rate.
稀土元素的氧化物离子产率随入射功率和采样深度增加,载气流速减小而降低。
The effect of concentration and additive of vanadium ion redox flow battery on positive reaction was investigated by the means of cycle voltammetry.
采用循环伏安法研究了全钒离子液流电池正极溶液的浓度及添加剂对正极反应的影响。 研究了两种离子交换膜对钒电池性能的影响。
Experimental results indicate that doping carbon nanotubes into the nematics K15 and E7 can improve the flow characteristics and suppress the ion-charge effect of the LC cells.
实验结果显示:在K15与E7液晶中掺杂碳奈管不但能改善液晶的液体特性,且能抑制液晶盒的离子电荷效应。
Thus, the centrality and system-size dependence of elliptic flow at different beam energies can be used to study the properties of the matter created in heavy ion collisions.
进一步,学习椭圆流在不同对撞能量下对中心度和系统大小的依赖性是研究高能重离子碰撞产生的新物质形态性质的有效途径。
A new method for determining trace-level copper ion was proposed based on flow-injection on-line preconcentration and microwave plasma torch atomic emission spectrometry.
基于流动注射-在线柱预浓集-微波等离子体炬原子发射光谱,对在线浓集测定流路和各种测试条件进行优选,建立了一种测定痕量铜的新方法。
The controller selects and adjusts composition of the gas and flow rate according to contaminants present within the ion beam, or lack thereof, as well as total or partial pressure analysis.
该控制器根据存在于该离子束内的污染物、或是不存在该污染物的情形、以及总压或分压分析来选择与调整该气体的组成以及流速。
All of the ion exchanger resins are temperature sensitive; therefore, a temperature diver valve bypasses letdown flow if the letdown heat exchanger outlet temperature rises to a predetermined value.
所有的树脂床对温度都有要求,因此当温度超过预定值时,下泄流将旁通净化床运行。
All of the ion exchanger resins are temperature sensitive; therefore, a temperature diver valve bypasses letdown flow if the letdown heat exchanger outlet temperature rises to a predetermined value.
所有的树脂床对温度都有要求,因此当温度超过预定值时,下泄流将旁通净化床运行。
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