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- Membrane conducts so little ion current that it almost can not be measurable. 膜所通过的离子流小得几乎无法测量。
- A method by cumulative intensity of ion current to analyse isotopic ratio is proposed in present paper. 本文介绍了离子流强度累计测定同位素比的方法。
- Associated with ion current detection device, this system can test and compare different kinds of spark plugs. 该系统配合火花塞离子电流检测装置，可以实现对不同火花塞热值进行测试比较的目的。
- Figure 2-11 illustrates guarding as applied to measuring the ion current (IC) from an ionization chamber. 图2-11说明保护技术应用于测量电离室的离子电流。
- The knock and misfire of the engine are detected by ion current method which is a new way of engine diagnosis. 用离子电流法检测到了发动机爆震和失火的故障现象,为发动机故障诊断提供了一种新的方法;
- By using the spark plug, in a spark-ignited engine, as a probe it is possible to measure the ion current. 若使用多个燃烧器， 当燃烧器间距缩小至一定距离后，火焰间有使火焰互相加热，减少热散失，进而稳驻火焰的现象。
- The arc source produces the arc discharging of cold cathode so that metal plasma is formed and it supplies the high density of metal ion current. 弧源因 产生冷阴极弧光放电而产生金属等离子体，形成高密度的金属离子流。
- The isotopic ratio of lithium was determined by cumulating intensity of ion current during evaporation of all samples on evaporation filament. 用热表面离子源测定了锂同位素丰度,在样品全耗尽过程中累计离子流强度。
- It indicated that the simulation model was able to well predict both electron number density and ion current density of plume of SPT. 研究表明，所建立的仿真模型能够较好地预测SPT羽流电子数密度和离子电流密度等参数。
- From the relation between ion current and multiphoton dynamic parameters photon-ionization cross-section of 4D state in atomic sodium was determined. 由电离流与多光子动力学参数的关系,得到了4D态的光电离截面。
- With the aid of this technipue the premature evapora-tion of uranium sample can be precluded and the stablity of ion current isimproved. 本方法不仅提高了热电离效率,改善了离子流的稳定性,而且有效地避免了铀样品的早期蒸发。
- Beyond the upper limit of the linear region of an ionization gauge, there is a falloff in the ion current with the increase of the measured pressure. 在电离真空规的线性测量上限部分,离子流随着压强上升而衰降。
- Patch clamp technique is a kind of technique which reflecting membrane molecular activity of one or more ion channel by record ion current of ion channel. 膜片钳技术是一种以记录离子通道的离子电流来反映细胞膜上单一的或多个的离子通道分子活动的技术。
- It is shown that ion current is a power function of pressure,independently of the magnetic field strength, providing the magnetic field is over a critical value. 分析表明，当磁场强度大于某一临界值时，磁控放电的离子电流与磁场强度无关；离子电流是压强的幂函数，且与所测真空器件电极的表面状况和几何结构有关。
- METHODS: Radix Pseudostellariae from different habitats were analyzed and the total ion current(TIC) chromatographic fingerprint were determined by HPLC-MS. 方法:用HPLC-MS联用技术对不同产地太子参进行分析,测定其总离子流指纹图谱,确定共有峰,并对部分色谱峰进行了初步归属。
- But the mechanism of cold cathode penning discharge results in high modulation ratio of ion current derived from the source, and lowers the quality of current. 但是由于冷阴极放电的限制，其引出束流的调制度过大，束流不稳定，这降低了离子束流的品质。
- Method Ion currents of rabbit ventricular myocyte were recorded using the whole cell patch clamp technique. 方法应用全细胞膜片钳技术记录兔心室肌单个细胞的电流。
- For instance, in the case of separating Rubidium, the maximum ion current of Rb+ extracted from the ion source is about 120 mA, the maximum ion current accepted by the receiveris about 66mA, the average ion current is more than 25mA,. 例如,分离铷元素,其最大引出总离子流达10mA,最大接收总离子流为66mA,平均接收离子流大于25mA。
- The Langmuir probe was used to diagnose the plasma characteristics in the vicinity of substrate to investigate the relationship between the ion current density, pulse voltage and working pressure. 本文首先利用朗谬耳探针对基底附近的等离子体特性进行了诊断，考察了离子电流密度与脉冲电压和工作气压的关系。
- AIM: To investigate the changes of transmural repolarization heterogeneity and ion currents in rabbits with left ventricular hypertrophy. 目的探讨兔左心室肥厚心肌心外膜下、中层、心内膜下3层心肌细胞动作电位及膜离子流变化的不均一性。
