ammonium ion 中文意思是什麼

ammonium ion 解釋
銨離子
  • ammonium : n. 【化學】銨。
  • ion : n. 【物理學】離子。 positive [negative] ion正[負]離子。
  1. Purer acetylcholinesterase was obtained through salting out by ammonium sulphate and ion exchanging

    分別採用雞蛋膜固定化法，活化載體共價結合法和戊二醛交聯法進行酶的固定。
  2. Different from potassium acetate, ammonium acetate intercalated into the inner layer of kaolinite more completely in buffer solution ( ph = 9 ) than under near dry condit ion

    與乙酸鉀不同，乙酸銨與高嶺土的插層作用在ph = 9的緩沖溶液中，比在近干態下進行的完全。
  3. This enzyme was different with the ones reported in the past. a phosphatase was isolated from the chloroplast thylakoid membrane of ipomoea aquatica, by nacl extration, ammonium sulfate precipitation, ion - exchange chromatography and hydrophic chromatography through butyl - toyopearl 650m column

    使用nacl抽提、硫酸銨分步沉澱、離子交換和butyl - toyopearl650m疏水柱層析等方法，從蕹菜葉綠體類囊體膜中分離純化到一種蛋白磷酸酯酶。
  4. Two kinds of n - substituted pyrrole ( trimethyl - ( 2 - pyrrol - l - yl - ethyl ) - ammonium iodide and 2 - ( 2 - pyrrol - 1 - yl - ethoxy ) - ethane - sulfonate sodium ) were synt hesized ; poly ( trimethyl - ( 2 - pyrrol - l - yl - ethyl ) - ammonium iodide ) / v2os nanocomposites were synthesized by two methods ( monomer in - situ intercalate polymerization and polymer intercalation in solvent ). to fabricate vaos sol by melt quenching, oxygen top - blend technique was applied to improve oxygenic part - pressure, decrease the oxygenic anoxic and restrain the increase of v4 + ion when vos was melted. the xos xerogel prepared by the new technique had more complete structure than the vos xerogel which v20s powder was melted in the air

    針對以v _ 2o _ 5為原料、熔融淬冷法合成v _ 2o _ 5溶膠、制備v _ 2o _ 5干凝膠薄膜這一方法，提出了在v _ 2o _ 5熔融時運用氧氣頂吹工藝這一思路，目的是增加熔體表面的氧分壓，減少熔體的氧缺損，使v _ 2o _ 5干凝膠的v ~ （ 5 + ）離子含量更高、其結構更完整、性能更穩定。
  5. Reference materials - standard solution - ammonium ion

    基準材料.標準溶液.氨離子
  6. Chemical analysis of ammonium nitrate for technical use. test of maximum sulphate ion content

    專業用硝酸銨的化學分析.硫離子極限含量的試驗
  7. Methods for analysis of plating black nickel solutions part 1 : determination of ammonium nickel sulfate content by ion selective electrode method

    電鍍黑鎳溶液分析方法第1部分:離子選擇電極法測定硫酸鎳銨的含量
  8. Purification and characterization of phytase from a. niger an 01001 a. niger an01001 was inoculated on solid media and cultivated at 30 for 5 days. proteins were extracted from solid - state fermentation with 50mm acetate buffer ( ph5. 5 ). the molecule weight of the phytase protein was determined as about 78kd by sds - page. the purification procedures include ammonium sulfate precipitation, deae - cellulose ion - exchange chromatography, gel electrophoresis and electroelution

    3 .植酸酶的分離純化及其性質研究黑麴黴ano1001經固體發酵，用緩沖液抽提后，經硫酸按沉澱， deae一纖維素離子交換層析，聚丙烯酞胺凝膠電泳和電洗脫等純化步驟獲得的植酸酶，用sds一page檢測為一條均一譜帶，其分子量約為78kd 。
  9. Structure and properties of hydrated titanium dioxide - ammonium molybdophosphate spherical complex inorganic ion exchanger

    水合二氧化鈦磷鉬酸銨微球復合無機離子交換劑的結構與性能
  10. In this thesis, organic - montmorillorite ( org - mmt ) was obtained - by an ion - exchange reaction between na + - montmorillorite ( na + - mmt ) and alkyl ammonium bromide, leading to increase the basal spacing of montmorillonite. xrd analysis indicated that alkylammonium ions had already exchanged with na + ions in na - montmorillonite and long alkyl - chains had entered into the gallery of montmorillorite

    X -射線衍射（ xrd ）分析結果表明有機胺陽離子已同蒙脫土中的鈉陽離子發生離子交換作用，烷基長鏈進入蒙脫土層間，導致層間距擴大，並使蒙脫土層間親水性轉變成親油性。
  11. Ammonium chloride is rapidly absorbed from the gastro - intestinal tract. the ammonium ion is converted in urea into the liver ; the anion thus liberated into the blood stream and extracellular fluids causes a metabolic acidosis and decreases the ph of the urine ; this is followed by a transient diuresis

    氯化銨能迅速地從胃腸道被吸收。在肝臟氨鹽基離子被轉換成尿素，陰離子因而被解放入血液和細胞外流體導致代謝性的酸中毒，使尿液變酸，形成短暫的多尿。
  12. ( 2 ) xrd analysis showed that better intercalation effect could be obtained by adopting ammonium ion with longer molecule length, solvent method and high density polyethylene

    （ 2 ） xrd測試顯示，採用長鏈季銨鹽、溶液法和高密度聚乙烯可獲得較好的插層效果。
  13. Under these conditions the fibrinolytic activity of the supernatant can reach 820 urokinase units per milliliter broth. ba - dfe was purified from the supernatant of b. amyloiquefaciens dc - 4 culture broth by ammonium sulfate precipitation, ion - exchange chromatography on cm - and deae - sepharose fast flow, hydrophobic interaction chromatography on phenyl sepharose 6 fast flow and gel filtration on sephadex g - 50. the purified enzyme displayed thermophilic, hydrophilic and strong fibrinolytic activity

    通過硫酸銨分級沉澱、 cm - sepharosefastflow和deae - sepharosefastflow離子交換層析、 phenylsepharose6fastflow疏水層析和sephadexg - 50凝膠過濾等方法，從解澱粉芽孢桿菌dc - 4的發酵液中分離純化出電泳純的ba - dfe 。
  14. But the whole level of serum titer in combined vaccine group was higher than others. igg was extracted by salting out with ammonium sulfate and purified by ion exchange chromatography with deae cellulose

    對分離到的血清用飽和硫酸銨鹽析法提取igg ，並用deae纖維素離子交換層析法對提取的igg進行純化。
  15. E heterogeneous ion exchange membrane is made from styrene sulfonic acid type cation - exchange resin and styrene quaternary ammonium type anion - exchange resin, with pe as adhesive agent

    聚乙烯異相離子交換膜聚乙烯異相離子交換膜是由苯乙烯磺酸型陽離子交換樹脂、苯乙烯季銨型陰離子交
  16. A new method to determine the concentration of ammonia - nitrogen by ammonium ion selective electrode has been introduced in this paper

    摘要本文介紹一種新型的測量氨氮濃度的方法銨離子選擇電極分析法。
  17. The purified badh, which became a single band in sds - page, has been obtained by a combination of ammonium sulfate fractionation, ion exchange chromatography and gel filtration chromatography

    遼寧堿蓬甜菜堿醛脫氫酶分子量為129kd ，單個亞基的分子量為64 . 5kd ，表明其為同型二聚體。
  18. The brine shrimp he was prepared and purified by 67 % ammonium sulfate precipitation, deae - sepharose fast flow ion - exchange chromatography, and sephacryl column gel - filtration, and its biochemical and enzymological properties were identified in this study. it was found that the deduced molecular weight of he in sds - page is about 98. 5 kda, and its proteolytic activity was optimized at ph of 7. 5 - 8. 5 and at temperature of 40, respectively

    我們利用67硫酸銨沉澱、 deae - sepharosefastflow陰離子交換柱層析和sephacryl凝膠過濾柱層析，並以酪蛋白為其蛋白酶水解活性的檢測底物、以卵膜為其卵殼裂解活性的特異性底物，從鹵蟲胚胎孵化液中分離純化出了鹵蟲的孵化酶分子，其在sds - page電泳中的分子量約為98 . 5kda 。
  19. Standard test method for determination of dissolved alkali and alkaline earth cations and ammonium in water and wastewater by ion chromatography

    用離子色譜法測定水及廢水中溶解的堿及堿土陽離子及銨的標準試驗方法
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