g factor 中文意思是什麼

g factor 解釋
g因素
  • g : 1. generator. 2. German. 3. Germany. 4. giga 十億。5. Gossypium 棉屬。6. grid. 7. Gulf. 8. 【軍事】 gun.
  • 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. Theorem 4. 5 if locally soluble group g is c * ( w ) - group, then the chief factor of g is elementary abelian

    5若局部可解群g是c卜群，則g的主因子是初等阿貝爾的
  2. Chemotaxis mediated by chemokine receptors, such as cxcr4, play a key role in lymphocyte homing and hematopoiesis as well as in breast cancer metastasis. we have previously demonstrated that ? - arrestin2 functions to attenuate cxcr4 - meidated g protein activation and to enhance cxcr4 internalization. here we further show that expression of ( - arrestin2 in both hela and hek293 cells significantly enhanced the chemotactic efficacy of stromal - cell derived factor 1 ( ( sdf - 1 ( ), the specific agonist of cxcr4

    - arrestin2是趨化因子受體的一種重要的調節蛋白，本研究工作發現在hek - 293或hela細胞中升高- arrestin2的表達水平會顯著增強cxcr4介導的趨化作用，反之當- arrestin2的表達被它的反義核苷酸或rnai所抑制， cxcr4介導的趨化作用則被明顯抑制。
  3. To investigate the mechanism of trefoil factor 3 on the gastric intestine epithelial restitution, the recombinant human trefoil factor 3 was added to human colonic tumor cell and the proliferation effect was examined by mtt assay. the recombinant protein didn t promote the proliferation of the hct cells at low density of 0. 010. 05 g l and only has weakly proliferation effect at density of 0. 10. 2 g l. 1 g l of the recombinant protein could significantly promote the cell migration of hct cells when added to the monolayers cells

    將重組人三葉因子3 trefoil factor 3 ， tff3作用於人結腸腫瘤細胞，研究重組蛋白對細胞增殖的影響，結果發現該蛋白在較低的濃度1050 mg l下對細胞的增殖基本沒有影響，在100200 mg l濃度下該蛋白對細胞僅有微弱的刺激作用，提高濃度對細胞增殖作用沒有改變。同時研究了tff3對損傷的單層結腸腫瘤細胞遷移的影響，發現tff3對細胞有明顯的促進遷移作用。
  4. The methods reported by g. s. young in 2000, are applied on sea surface sar images featured by three dimensional convective cells. then the following parameters are retrieved from sar images : the characteristic wave length of three dimensional convective cell, the mabl depth, the vertical convective scale velocity, the surface buoyancy flux, obukhov length and the stability correction factor for sar derived sea surface wind speed

    針對海洋大氣邊界層中三維對流渦旋sar圖像，用g . s . young在2000年發表的方法，反演三維對流渦旋的特徵長度、海洋大氣邊界層高度、以及海洋大氣邊界層垂直對流尺度速度、表面浮力通量、海面風速穩定性校正因子和obukhov長度。
  5. At mean time, we have studied on the characteristic of proteinase and make sure the suitable condition and influencing factor of deacetylase function. usin g the technology of immobiolized cell, the utlization of deacetylase have been increased deeply and lower production cost. the half deline period is more than 20 days and the production of l - methionine is above 75 %

    採用固定化細胞技術，使酶的利用率得以大幅度提高，固定化細胞酶活的半衰期達20天以上，可連續拆分使用生產24天， l - met產率可達75以上。
  6. For a maximal subgroup m of a finite group g the normal index of m is the order of a chief factor h / k where h is minimal in the set of supplements of m in g. in this paper we can obtain some results about solvability and supersolvability by using the normal indexes of maximal subgroups of finite groups

    有限群g的極大子群m的正規指數是指g的主因子h k的階，其中h為m在g中的極小正規補。本文利用正規指數的概念，獲得有限群可解，超可解的若干結果。
  7. Time - temperature superposition principle could bee applied to g " dependence on cd, and the dependence of shifted factor at on temperature demonstrated a linear relationship by a plot of in at vs. t - 1. the steady rheological measurements for nanocomposites melts were conducted. the results revealed that the melts of exfoliated nanocomposites with lower loading of org - mmt exhibited shear - thinning even at lower shear rate as compared with polymers filled with common particles, while the melts flow depended weakl

    研究結果表明仁復合體系g 『和動態損耗模量寧的對數關系性呀g 『一109夕， _印維乖溫動態模量滿足時溫疊加原理，頻率移動因子（ at ）的對數與塌度的倒攀即種馬與了一『有良好的線性關系?一_面，復合體系熔體的穩態剪切流變行為具有不同於普通粒子填充聚合性。
  8. The condition factor of g. przewalskii decreased in reproduction seasons

    青海湖裸鯉在繁殖季節，豐滿度下降。
  9. And when extreme agility is required, the limiting factor on an aircraft ' s performance is often the need to keep the pilot alive and conscious under high g - forces

    此外，當超凡的敏捷度成為當務之急時，飛機性能的局限因素則通常是需要在高強度的地心引力下讓飛行員生存下來並保持清醒。
  10. The trypsin treatment for g - banding is an important factor in obtaining well - banded chromosomes, while the slide aging is not

    G顯帶時胰酶的濃度及處理時間是獲得良好顯帶效果的關鍵因素，而染色體的片齡似乎並不太重要。
  11. After studying the contents with " sx - 10 law " concerning the oil and gas ( o & g ) cost of the international oil company, the article has systematically analyzed and compared the sinopec and foreign oil company ' s o & g cost ' s differences, such as its classifications structures, and cost accounting etc. by analyzing the international oil company ' s common o & g cost ' s movement tendency and rule which has been outlined and showing in the recent 10 years, that is between 1991 and 2000, the article has compared and studied the differences in o & g costs between the sinopec and foreign oil company, furthermore, it has taken impersonally part the real and internal reasons in details which has resulted in the differences at home and abroad. for instance, it has concluded the reasons that contribute to the long - lasting higher production cost of the sinopec upstream in three aspects : firstly, it is due to the difference in its resource stratagem, that is, the foreign oil company can realize their o & g resource optimization by the way of resource electing and o & g assets replacement in the world market ; secondly, since most of the sinopec key oilfields have been in the middle or last development period which characterizing the " three high " ( high water containing, high yield and high lifting rate ), it has been an impersonal rule with a higher level of production cost ; finally, another factor resulting in the higher production cost lies in the execrable operating and social environment which has been facing by the domestic oil company and a great amount of non - producing payout which owes to the bad environment

    本論文從美國證監會（ sec ）對國外石油公司油氣成本的《 sx4 - 10條例》的內容研究出發，系統地分析和比較了中外石油公司在油氣成本的分類、構成以及核算等方面的差異，並結合近十年來（ 1991 - 2000 ）國外石油公司油氣成本的變化趨勢和變化規律，對中外油氣成本結構和變化呈現出的差異進行了比較和研究，並就導致該差異產生的深層次原因進行了客觀翔實的剖析，文章特別指出，造成中石化上游油氣生產成本居高不下的原因有三個方面： （ 1 ）資源戰略方面，國外石油公司可以通過資源優選和資產置換來實現油氣資源的最優化選擇： （ 2 ）從開發程度上，中石化上游普遍進入以「三高」為特徵的開發階段，生產成本高是客觀規律： （ 3 ）企業面臨的惡劣經營和社會環境以及由此產生的大量非生產支出，也是構成企業生產成本較高的原因之一。
  12. Methods of calculating the inductor ' s quality factor and inductance are studied. experimental results are analyzed in detail and some results are obtained : quality factor q decreasing with the increase of turns n ; inductance l proportional to turns n2 ; series resistance rs increasing - iv - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ as g - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ with frequency due to skin effect

    得出了一些有用的結論如平面螺旋電感的q值隨著圈數n的增加而減小；電感量與圈數n的平方成正比；高頻時，圈數越多，串聯電阻的趨膚效應越厲害，阻值越大等。
  13. Compared with the similar research results, the weighted control ic here has the following characteristics : ( 1 ) the circuit structure is simpler ; ( 2 ) the chip ' s fabrication is compatible with standard cmos process ; ( 3 ) n - mosfets with high w / l ratio and short channels are used for weighting and output to reduce the insertion loss ; ( 4 ) the weighting factor varies in a relatively wide range with the controlling signals ; ( 5 ) input and output impedance approach 50 in low frequency ( e. g. 50mhz ), while in higher frequency they slightly deviate from 50, hence the energy reflection lower than 0. 1 ; ( 6 ) it completes the functions of sampling, weighting, controlling and summing of high frequency analog signals

    它的加權控制電路與已報道的相關電路相比具有如下特點：電路結構簡單；製造工藝與普通cmos工藝兼容：短溝道，高寬長比的nmos晶體管具有低的通導電阻，將其作為加權、輸出器件可降低由電路引起的插入損耗；改變加權信號，可實現權值在較大范圍內的連續變化；輸入、輸出阻抗在低頻（如50mhz ）下接近50 ，而在高頻下略有偏離50 ，但反射系數均低於0 . 1 ；實現了對高頻信號的取樣、加權、控制、疊加功能的迭加。
  14. The report also observed that the infection had spread among close contacts, e. g. family members, although this is a smaller contributory factor to the overall outbreak

    調查報告亦發現在緊密接觸的人（例如家庭成員）間有發生感染，但這只是導致今次事件的其中一個較次要的因素。
  15. 13. the report also observed that the infection had spread among close contacts, e. g. family members, although this is a smaller contributory factor to the overall outbreak

    13 .調查報告亦發現在緊密接觸的人例如家庭成員間有發生感染，但這只是導致今次事件的其中一個較次要的因素。
  16. Since the end of 1999, the interior architectural installation market of the group has been affected by all kinds of factor, e. g. rearrange of the group, depression of the domestic petrochemical industry market, etc. this market relaxed gradually and showed an unprecedented competitive situation

    99年底以來，隨著集團公司的重組分立及國內石化行業的市場不景氣等諸多因素影響，集團公司內部的建築安裝市場已逐步放開，出現了前所未有的競爭局面，企業的生存與發展面臨危機。
  17. A batch least - squares maximum likelihood estimator is employed to calibrate the model coefficients of accelerometer and a polynomial post - fit method is used to establish temperature models of these coefficients. the temperature models of accelerometer bias and scale factor of accelerometer are established between - 20oc and 50 oc. after compensating the temperature error by using these models, the post - fit residuals of the accelerometer output have been improved to 10 ? 5 g, and the trend term of accelerometer changing with temperature basically vanished

    採用最小二乘極大似然估計和多項式擬合的方法，分析加速度計靜態模型系數隨加速度計殼體溫度變化的規律，建立了- 20oc 50oc之間加速度計零偏和標度因數誤差的溫度模型，應用該模型對加速度計溫度干擾進行補償，補償后，加速度計輸出的擬合均方根誤差一到二個數量級，並且基本上消除了加速度計輸出隨溫度變化的趨勢項，使得加速度計測量精度得到了明顯提高。
  18. Lande g factor

    朗德因子
  19. A. niger m - l which was screened in our laboratory produced a strongly a - transglucosidase. in this paper, studies on the fermentation conditions, purification and characterization of a - transglucosidase and its necessary groups was carried out in this dissertation. the main reports were as following : the fermentation conditions in shaking flasks were investigated by the method of single - factor analysis, the suitable main medium was achieved : which contained 4 % a, 2 % b and 1 % g ; the a. niger m - l was inoculated into 100ml medium in flask, shaking in 33 c at 140r / min for four days, with initial ph6. 5 and 6 % inocula volume ; adding 0. 1 mmol / l methyl a - d - glucopyranoside had inductive effect on enzyme formation, the a - transglucosidase activity amounted to 296. 05u / ml

    本研究以黑麴黴m - 1為出發菌株，對其-葡萄糖轉苷酶的產酶影響因素、純化、酶學性質以及必需基團進行系統的研究，結果如下：通過對影響黑麴黴m - 1產-葡萄糖轉苷酶的單因素分析，得液態發酵生產-葡萄糖轉苷酶的最適產酶條件為： 4 a ， 2 b和1 g ；在33 ，起始ph值為6 . 5 ，轉速為140r min ，接種量為6 ，裝液量100ml條件下，發酵4 . 0d ，酶活力達296 . 05u ml ，添加0 . 1mmol l的酶作用底物甲基- - d -葡萄糖苷對產酶的誘導作用最大。
  20. Objectives : in our previous study, to improve the expression efficiency of human basic fibroblast growth factor ( hbfgf ) expressed in escherichia coli, we lowered the g + c content in hbfgf ' s tir region and used more preferred codons by e. coli. meanwhile we found the low insoluble product with a large quantity of dimer and higher multimer in the protein solution. it greatly decrease the bioactivity of hbfgf

    目的：我們在長期實踐中發現，大腸桿菌中表達的人堿性成纖維細胞生長因子（ humanbasicfibroblastgrowthfactor ， hbfgf ）在e . coli中表達量不高，可溶性低，蛋白溶液中大量存在二聚體，三聚體以至多聚體，使得hbfgf的生物活性大大降低。
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