positive ion 中文意思是什麼

positive ion 解釋
正離子；陽離子
  • positive : adj 1 確實的，明確的；確定的；無條件的 （opp qualified implied inferential）; 絕對的，無疑問的，...
  • ion : n. 【物理學】離子。 positive [negative] ion正[負]離子。
  1. Thus, to improve the specific of lithium ion batteries, main effort should be directed toward the synthesis of new positive electrode materials, i. e. various lithiated oxides that could reversibly intercalate one li atom per 3d - metal atom at about 4v versus li

    O 。由於電壓高、價格便宜和對環境友好而成為最有希望的備選材料之一。首次採用了聚丙烯酸paa為鰲合劑，運用溶膠凝膠法，合成了limn 。
  2. In this paper, we focus on the following three topics : ( i ) density distribution of dusty plasma in the low - pressure collisionless positive column the radial density distributions of electron, ion and dust particle in the low - pressure collisionless positive column are investigated with a fluid theory and a self - consistent dust - charging model

    本文著重以下三個方面的研究： （ ）低氣壓無碰撞輝光放電正柱區塵埃等離子體密度徑向分佈本文採用流體模型和自洽的塵埃充電模型，研究了低氣壓無碰撞輝光放電正柱區的電子密度、離子密度和塵埃粒子密度的徑向分佈。
  3. 1. prevent electromagnetic radiation, protect eyes, refresh yourself. negative ion form the wall between computer monitor and computer operator, it neutralizes the positive electricity, reduce radiation caused by static to brain and eyes. iii

    1 .防電磁輻射護眼提神：負離子能在電腦主機及顯示器與人之間形成一道負離子墻，它與顯示器釋放的「 」電荷緩潤中和，降低靜電對大腦和眼睛的輻射。
  4. A lot of experiments have been done in the process of exploiture soft packaging li - ion battery about how to choice the rational arts and crafts. the content include : how to deal with the collector, add how much pvdf in the material, how long the material need to stirring and the right viscidity, how much condubtivity agent the electrode need, what theckness is best, choice different collectors, the degree of dryness of the electrode, theckness of pressed model, how much electrolyte will be added, placement how long after added the electrolyte, system of formation how to influnce the battery, in formation the battery need or not need preesure from outside, how to vacuumize and the optimize matching positive pole and negative pole. with these practice make sure the parameter of the positive pole should less than 90 m ; according to different vacuumize order the conduc - tivity agent in anode will be 5mass % and 9mass %, respectively, and in cathode the data is 2mass % ; every 100mah added to 0. 4 ml electrolyte ; before formation the battery should be placement 8 hours and the system of formation must be less than 0. 01c before the voltage reach to 3. 0v ; should press in outside when battery in formation ; to these batteries which capacity more than 350mah the vacuum time not excess 15s ; the optimize matching positive pole and negative pole between 2. 10 : 1 and 2. 15 : 1. finally make out the battery which cycling performance and security are all very well

    液態軟包裝鋰離子電池的研究主要是對關鍵工藝進行了優化設計，具體包括:集流體的處理、 pvdf的加入量、漿料攪拌時間和粘度、導電劑的加入量、電極膜的厚度、不同集流體的選擇、電極膜的乾燥程度、壓型的厚度、電解液的加入量、注入電解液后靜置時間的長短、化成制度的影響、化成時電池所具有的壓力影響、抽真空的處理、正負極活性物質的匹配。最後確定出液態軟包裝鋰離子電池最佳工藝參數:正極膜的厚度小於90 m ;根據化成時不同抽真空順序，確定正極膜中的導電劑的加入量分別為5mass %和9mass % ;負極膜中導電劑的加入量為2mass % ;電解液的加入量為每100mah添加0 . 4ml ;化成前電池的靜置時間應當大於8h ;電池在3 . 0v之前採用小於0 . 01c的化成制度;在化成過程中應當施加一定的外部壓力;對於350mah的電池抽真空的延時不應大於15s ;而正負極活性物質的質量比應當在2 . 1 : 1 2 . 15 : 1之間。
  5. Zwitterion an ion with both a positive and a negative charge. amino acids and form zwitterions : the amino group has the form - nh3 + and the acid group is ionized as - coo -

    兩性離子：既帶有正電荷又帶有負電荷的離子。氨基酸就是這樣一種離子：氨基基團為- nh3 +而羧基端為- coo - 。
  6. The 3t3 mouse fibroblasts and human endothelial cells cultured on the surface of the implanted pp showed much better attachment and proliferation than that for controlled pp. at the same time, the cooft ion implantation also exhibited low macrophage attachment with normal cellular morphology. the above results can cause positive effects on the biocompa tibility when it is used as implant material

    研究表明，離子注入后聚丙烯表面的親水性和血液相容性研究表明，通過對pp表面進行cooh ~ +離子注入處理，可以降低其表面能和水接觸角，提高其抗凝血性能和抗鈣化性能，並且pp的抗凝血性能與cooh ~ +離子的注入劑量具有很大的相關性。
  7. If one or more electrons are removed, the remaining positively charged structure is called a positive ion.

    如果移去一個或多個電子，剩下來帶正電荷的結構就稱為正離子。
  8. To evaluate the potential energy we first observe that every positive ion is in a position equivalent to that of every other position ion.

    為計算勢能，我們首先要注意到，每一正離子所處的位置與另一正離子所處的位置完全相當。
  9. When the flue gas and dust past through electrical fields, they caused impact with positive and negative ion and electron between electrical electrodes to charge electric. the charged particles move and are accumulated to difficult electrical electrode due to effect of electric field force. through rapping method, the dust leaves electric electrodes and drop into the collection hopper, and the remove the dust by transportation system

    是一種煙氣凈化設備，它的工作原理是：煙氣中灰塵塵粒通過高壓靜電場時，與電極間的正負離子和電子發生碰撞而荷電或在離子擴散運動中荷電，帶上電子和離子的塵粒在電場力的作用下向異性電極運動並積附在異性電極上，通過振打等方式使電極上的灰塵落入收集灰斗中，使通過電除塵器的煙氣得到凈化，達到保護大氣，保護環境的目的。
  10. Because of its high theoretical capacity ( 170 mah ? g ~ ( - 1 ) ), and feasible voltage ( about 3. 5v versus li ~ + / li ), good stability both at room temperature and high temperature, and being environmental benign and inexpensive, lifepo4 is very hopeful material as positive electrode materials for the future lithium - ion batteries material

    磷酸鐵鋰（ lifepo _ 4 ）因其具有高的理論比容量（ 170mah ? g ~ （ - 1 ） ） ，約為3 . 5v的電壓，較好的常溫和高溫穩定性，低廉的成本和優良的環保性能，成為下一代鋰離子電池最有前途的正極材料。
  11. The reactive characteristics of tertiary olefins over positive ion exchange resin

    叔烯烴在陽離子交換樹脂上醚化反應規律
  12. Pollution result inpositive ion, positive ion ' s oxidation affect body aging for unhealthy. bamboo charcoal will release negative ion as plantation, countercheckoxidation, decontaminate air, produce a healthly space

    竹炭會釋出與森林浴相同功效的負離子，可以防止氧化及凈化空氣，營造更適合人類活動的生活空間。
  13. The preparation and structure properties of spinel limn204 as a positive active material for lithium - ion battery were studied

    論文採用了低溫液相方法制備正尖晶石型錳的嵌鋰氧化物正極材料。
  14. With the development of the company and the specialty fiber project put into production in 1999, the company will further supply fdy including bright yarn, colored yarn, fine denier yarn, and positive ion yarn, special dty including special length, special weight and twist - free yarn and some other special yarns such as poy fdy, normal yarn positive ion yarn, white grain yarn, bamboo yarn, and blended yarn for the choice of the customers

    隨著企業的進一步發展，於1999年投產的滌綸差別化纖維項目，還可提供fdy有光有色細旦陽離子dty定長定重無捻度絲及各種特種絲poy fdy普通絲陽離子白紋絲竹節絲混纖絲等，歡迎各界選用。
  15. Standard practice for oil spill source identification by gas chromatography and positive ion electron impact low resolution mass spectrometry

    用氣相色譜法和正離子電子沖擊低解析度質譜法識別溢油源的標準實施規程
  16. With nearly 1000 varieties of plasma generators positive and negativeion generator, negative ion generators and ozone generators, our company is one of the manufacturers who feature most complete varieties and biggest production volume

    正負離子發生器等離子發生器負離子發生器及臭氧發生器的規格品種上千種，是目前全球同行產品規格最全產量最大的製造廠家之一。
  17. Main products consist of : plasma generator positive and negative ion generator, negative ion generator, ozone generator, home car air refresher, ozone sterilizer. our company has been authorized the iso9001 : 2000 international quality assurance system certification and cqc, cul, tuv, ce, sgs etc. additionally, our company is also the member of china technology supervision council

    主要產品有：等離子發生器正負離子發生器負離子發生器臭氧發生器家用車載空氣凈化器臭氧消毒機等環保小家電，本公司已通過iso9001 : 2000國際質量保證體系認證及cqc cul tuv ce rohs等各種認證。
  18. The total rna was purified from the germ in the liquid by the guanidine isothiocyantehod method, then the total rna digested by dnase that had not rnase was used for rt - pcr. i change the magnesium ion dencity in the pcr system in order to optimize the pcr condition. at the end i selected the magnesium ion density as 1. 25 mm. the production of rt - pcr was inserted directionally into pgem ? z ( ampr ). the pgem ? z ( ampr ) was used to transform e coli jm109. i got a positive clone through culling and identificatin. the dna sequence inserted into pgem ? z ( ampr ) was sequenced and blasted with the cdna sequence of the # - mannanase mature peptide that got from genbank

    分取誘導培養液中的菌體，用異硫氰酸胍法提取總rna ，總rna再經無rna酶的dna酶處理後用于rt ? pcr 。在pcr擴增目的基因時，通過優選擴增體系，使鎂離子濃度為1 . 25mm時rt ? pcr可順利地獲得目的基因，並能定向克隆到載體pgem ? 3z （ amp ~ r ）中。用克隆載體轉化宿主大腸桿菌jm109 ，通過篩選獲取陽性克隆子，對陽性克隆子進行酶切與pcr鑒定，並對載體中插入的目的基因進行測序。
  19. The bioactive strain ' s fermentation product was isolated and purified primarily using methods of solvent extraction, acid - alkali extraction, ab - 8 macropore absorption chromatography, 1 x 007 positive ion exchange chromatography, the result showed the purification product has prominent bioactivity inhibit staphalococcus aureus

    中國熱帶農業科學院、華南熱帶農業大學2003屆碩士研究生採用有機劑抽提法、酸堿抽提法、大孔吸附樹脂柱層析和陽離子交換樹脂柱層析等方法對hsl 306菌株發酵產物進行了初步分離純化。
  20. Pici ms - positive - ion ci ms

    離子對上
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