ion factor 中文意思是什麼

ion factor 解釋
細胞內的轉錄因子
  • ion : n. 【物理學】離子。 positive [negative] ion正[負]離子。
  • factor : n 1 〈英國〉經銷人；（代客買賣收取傭金的）經紀人；代理商；代辦人；〈蘇格蘭語〉 土地經管人。2 要素...
  1. Simox soi wafers produced by ion implant processes were used in this experiment. the results for simox soi samples we got here revealed that all the three structures are valuable for soi electrical characterization and sis structure has irrefragable advantage over the other two structures. the soi transistors have been the key devices for achieving the low voltage operation and low power consumption, because of the small junction capacitance, the small s - factor, and the small substrate bias effect

    這三種模型分別是：第一，將傳統的mos電容結構應用到soi材料上來進行c - v ， i - v測試，分析計算soi材料的重要電學性能參數；第二種，針對soi材料的特殊結構，為了適應生產線上對無損soi園片進行電學性能測試的要求，應用mosos結構來對soi材料進行電學性能表徵。
  2. Taking the contact stress, bend stress stiffness and temperature stress as the condition, taking the weight of the kiln tyre as optimization aim function, the redia and the width of the tyre are optimized general optimize methods just consider the affecting of the parameters to aim function, but in fact, structural parameters ( such as structure dimension, interval and so on ), physics and dynamics ( damp factor, conduct factor, friction factor material ' s elastic module strength limits and so on ), which would be changed after used. the difference are called discrepancy robust design ' s basic concept is : all design parameters " discrepancy will affect the aim funct ion and arouse the quality target discrepancy

    一般的優化方法，僅僅考慮了參數對其目標函數的影響，而實際情況下有些參數是變化的，產品的結構參數（如幾何尺寸、間隙等） 、物理和力學參數如阻尼系數、傳導系數、磨擦系數、材料的彈性模量和強度極限等的設計值與製造后和使用中的實際值會有差異，這種差異稱為設計變量和噪聲因素的變差。
  3. 6. the tortuosity factor ( f ) was an important geometric parameter, which affected ion ' s diffusion and varied at different levels of water content

    半對數方程（ f a blnw ）是擬合土壤曲折系數什）與含水量（ w ）的最佳關系式。
  4. The results of the uni - factor experiments and perpendicular experiments show their best mechanic synthesizing craft as followed : nvp ( 10 % wt ), kh570 ( 20 % wt ), hema ( 70 % wt ), initiator ( 0. 2 % wt ), crosslinker ( 20 % wt ), reacting 20 hours under 80 c. the factors which influenced organic silicon modified pvp hydrogel soft contact lens material ' s swelling capabilities were researched, which included temperature, monomer content, ion concentration etc. the experiments showed the equation swelling content ewc improved with the increase of nw, droped with the increase of kh570 and ion concentration, improved then droped with the raise of temperature, and hydrogels got the least ewc at 45 c. experiment carried on todiscuss water dehydration mechanism of organic silicon modified pvp hydrogel soft contact lens materials, which showed dehydration process could be divided into evaporating stage and diffusing stage

    正交實驗結果表明， nvp ? hema ? kh570共聚物的機械性能最佳時，其合成工藝條件為： nvp用量10 （質量百分含量，下同） ， kh570用量20 ， hema用量70 ，引發劑aibn用量0 . 2 ，交聯劑nmba用量0 . 2 ，反應溫度為80 ，反應時間16h 。討論了單體配比、溶脹溫度、離子濃度等因素對有機硅改性pvp水凝膠軟接觸透鏡材料溶脹性能的影響。實驗得出：水凝膠材料的平衡溶脹度ewc隨單體nvp含量的增加而增大， ewc隨kh570用量的增加而減小，隨離子濃度的增大而略微降低，隨溶脹溫度的升高先稍微下降後有所提高， 45時平衡含水量最低。
  5. The hwtx - i gene was chemically synthesized according to its known cdna sequence, the gene was inserted into vector ppic9k which contained aoxj promotor and the sequence of a secreting signal peptide - a - factor, the cloning ppic9k / hwtx - i was constructed and confirmed by two - step pcr and dna sequence analysis, then it was transformed into host strain gs115, a his + muts cell line was screened and multicopy transformants were screened by various g418 concentrations, the multicopy transformant was named gh1. gh1 was cultivated in flasks. after 6 days of induction by 0. 5 % methanol, the supernatant was checked by 16. 5 % tricine - sds page, which showed there was a band in the position of 3. 5 - 6. 1kd, then it was isolated and desalted by ultrofiltration followed by ion exchange of cm column, after reverse phase hplc of ci8 and vacuum drying, the purified rhwtx - 1 was obtained which was proved to be correct recombinant hwtx - i by tricine sds - page, maldi - tof mass spectrometry, amino acid composition analysis, the n - terminal amino acid sequence and its biological activity, the final field of the purified rhwtx - i was about 80mg / l, accounting for 23. 6 % of it total secretory proteins

    將帶有hwtx -基因的ppic9k經blgii線性化后，轉化酵母宿主菌gs115原生質體后經篩選陽性克隆並經表型鑒定為his ~ + mut ~ s酵母菌，進一步用遺傳毒素g418篩選多拷貝的轉化菌株，命名為gh1 ；將gh1甲醇酵母菌用0 . 5的甲醇誘導表達，發酵上清經90飽和度的（ nh _ 4 ） _ 2so _ 4沉澱， yw - 3 （ mwc03000 ）的超濾膜超濾，再經cm陽離子交換， c _ （ 18 ）反相hplc純化得到分子量為4kd左右的組分，其中4289 . 05的組分經質譜鑒定，氨基酸組成分析和序列測定為正確的表達產物，生物學活性表明其活性為天然毒素活性70 % ，表達量為80mg / l 。
  6. Ion - assisted bombardment and direct current bias were emphasized in charter ii and charter iii respectively on studying how external factor as an assisted avenue can influence the growth of amorphous carbon film

    第二章和第三章分別從引入離子轟擊和施加直流偏壓電場兩方面著重研究了外界條件作為輔助手段對非晶碳生長的影響。
  7. The mechanisms of diamond nucleation and growth are discussed, and it is believed that the continued ion bombardment during the deposition process is a key factor for the growth of nanocrystalline diamond film using ch4 and h2

    探討了金剛石的核化機制和納米金剛石的形成機制，認為沉積過程中的持續的離子轟擊是ch _ 4和h _ 2體系制備納米金剛石薄膜的關鍵。
  8. It is introduced that the main factor of the lithium - ion battery characteristic of request, indicated the superior electronic properties is mainly related to the cathode material preparation. the paper investigated the synthesis process of tricobalt tetraoxide fine particles by the uniform sol - gel method, using a few analysis equipments test the particles

    首先提出均勻凝膠沉澱法新方法，採用此新技術合成了超細co3o4 ，研究了各種因素對合成過程的影響，採用復配沉降劑，獲得了絮凝狀中間體，經測試證明絮凝狀中間體含有大量羥基。
  9. The absorbed doses are obtained with a uniform state ion chamber that is formed with liftld cavity and lif wall and designed by ourselves. the key problem, the dose to fluence conversion factor of the photon with single energy from 0. 1 mev to 12mev, has been solved by simulating with monte carlo code system egs4

    用m - c方法計算了固體電離室對0 . 1mev 12mev的單能光子的單位光子注量? lif吸收劑量的轉換因子，從而解決了由高能光子吸收劑量實測值轉換成光子注量時所面臨的困難問題。
  10. It indicates that the diffusion is the important factor of gas losing in binbei region. this paper researched the hydrodynamic pressure and its change characteristics in the space by means of the ion concentration of formation water, reduced pressure and its change characteristics in the plane, the result indicates that from north - east to south - west, the hydrodynamic conditions are better and better in binbei region, the areas near the binbei railroad are the favorable area for oil and gas to accumulate

    利用水化學離子濃度，折算壓力大小及其平面變化對濱北地區水動力強弱及其空間變化特徵進行了研究，結果表明濱北地區水動力條件變化趨勢為由東北向西南逐漸變弱的特點，由此推斷濱州線附近應是濱北地區油氣保存的有利地區。
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