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- 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聯(lián)用技術(shù)對不同產(chǎn)地太子參進(jìn)行分析,測定其總離子流指紋圖譜,確定共有峰,并對部分色譜峰進(jìn)行了初步歸屬。
- total ion current 總離子流
- Membrane conducts so little ion current that it almost can not be measurable. 膜所通過(guò)的離子流小得幾乎無(wú)法測量。
- Zinc can played three roles in Zn/MnO_2 battery: negative electrode material,a container and a current collector. 在鋅錳電池中,鋅筒起到負極材料、集流體和容器3個(gè)作用。
- The increasing trend of the total ion content from east to west is consistent with their spatial autocorrelation. 河水離子總量自東部向西部遞增的趨勢在該水系空間自相關(guān)圖中得到很好的反映.
- EMD,mercury-freezinc-powderand current collector are the key factors that affect the electrical performanceof mercury-freeZn/MnO 2 batteries. 電解二氧化錳(EMD)、無(wú)汞鋅粉和集流體是影響無(wú)汞堿錳電池的關(guān)鍵因素。
- A new method to reduce the contact resistance between metal current collector and graphite plate for PEMFC has been proposed. 摘要建立一種降低質(zhì)子交換膜燃料電池金屬集流板與石墨單極板接觸電阻的新方法。
- When the water mass fraction is higher than 50%, its EC is determined only by the total ion content without connection with the moisture. 當基質(zhì)質(zhì)量含水率大于50%25后,電導率主要受基質(zhì)內離子總量的影響,可忽略水分的影響。
- A method by cumulative intensity of ion current to analyse isotopic ratio is proposed in present paper. 本文介紹了離子流強度累計測定同位素比的方法。
- Associated with ion current detection device, this system can test and compare different kinds of spark plugs. 該系統配合火花塞離子電流檢測裝置,可以實(shí)現對不同火花塞熱值進(jìn)行測試比較的目的。
- Figure 2-11 illustrates guarding as applied to measuring the ion current (IC) from an ionization chamber. 圖2-11說(shuō)明保護技術(shù)應用于測量電離室的離子電流。
- The knock and misfire of the engine are detected by ion current method which is a new way of engine diagnosis. 用離子電流法檢測到了發(fā)動(dòng)機爆震和失火的故障現象,為發(fā)動(dòng)機故障診斷提供了一種新的方法;
- By using the spark plug, in a spark-ignited engine, as a probe it is possible to measure the ion current. 若使用多個(gè)燃燒器, 當燃燒器間距縮小至一定距離后,火焰間有使火焰互相加熱,減少熱散失,進(jìn)而穩駐火焰的現象。
- The influence of structure design of Pb-plated reticulated SiC current collector on the plate design parameters and utilization efficiency of PAM of lead-acid batteries was studied. 摘要研究了鍍鉛泡沫碳化矽集流體的結構對鉛酸蓄電池極板的設計參數、正極活性物質(zhì)利用率的影響。
- The ash of samples was soaked and dissolved in 0. 5 mol/L HC1. After the addition of total ion strength adjustment buffer(TISAB) , the fluoride contents were detected with the fluoride selective electrode. 灰分用0.;5mol/L HCl浸泡;加入總離子強度調節緩沖劑(TISAB)后用氟電極測定氟。
- When zinc electrode discharge in alkaline zinc-manganese dioxide battery, its reaction sequence in macroscopy was from zinc gelled near positive electrode to close to negative current collector. 討論了堿性鋅錳電池負極在放電時(shí)宏觀(guān)上的反應順序:從鋅膏靠近正極部位逐漸進(jìn)行到負極集流體周?chē)?/li>
- In order to reduce the potential drift due to the difference of total ion strength on both sides of the electrode, the internal electrlyte consists of a solution with 0.01 M NH_4Cl and 1 M Na_2SO_4. A determination takes 3-5 min. 氨電極內電解質(zhì)溶液由0.;01M氯化銨和1M硫酸鈉溶液組成;以減少電極內外溶液離子強度差別所引起的電位飄移。 氮的適用分析范圍為5×10~(-3)至略小于1%25。
- 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 產(chǎn)生冷陰極弧光放電而產(chǎn)生金屬等離子體,形成高密度的金屬離子流。
- The isotopic ratio of lithium was determined by cumulating intensity of ion current during evaporation of all samples on evaporation filament. 用熱表面離子源測定了鋰同位素豐度,在樣品全耗盡過(guò)程中累計離子流強度。
- 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夠較好地預測SPT羽流電子數密度和離子電流密度等參數。