c reaction 中文意思是什麼

c reaction 解釋
c反應
  • c :
  • reaction : n 1 反作用,反應;反沖;反動力。2 【政治學】反動,倒退;復古(運動)。3 【化學】反應,【物理學】...
  1. The structure evolution and reaction mechanism of silicon - iron composite powders treated at the temperature ranging from 700 c to 1200 c respectively were carefully investigated through xrd, sem, epma, dsc. it was found that the chemical formula, fe + si - fe ( si ) + fe3si ( si ), controls the reaction process, and the reaction mechanism of powder homogenization was clarified

    通過利用xrd , sem , epma , dsc等多種測試手段,詳細研究了鐵硅復合粉末帶材在700 1200的熱處理溫度條件下的反應狀況及結構變化,明確了反應過程中的化學方程式: fe + si fe ( si ) + fe _ 3si ( si ) ,並解釋了各個熱處理溫度范圍內,鐵硅粉末均一化的反應機理。
  2. Theoretical study on the 1, 3 - dipolar cycloaddition reaction of c, n - dimethyl nitrone and acrylonitrile

    偶極環加成反應的理論研究
  3. In particular, the resulting active ester with pentafluorophenol facilitated the subsequent reaction with an amine and the hydrazine derivative to yield the c - terminal amide and hydrazide, respectively

    特別是與五氟苯酚生成的酯對后續的與氨或肼衍生化分別生成c端酰胺或酰肼非常有利。
  4. 2. 5 ul of 10 x reaction buffer, 1. 5 ul 25mm mgcl2, 0. 3 ul lomm dntp, 0. 5 ul taqdna polymerase ( 5 u / ul ), and lul ( = 20ng ) of primer were used in per reaction. each reaction was overlaid with one drop of paraffin oil. the initial denaturation step was used at 94 for 1 min 45 sec ; then denatured at 94 for 30 sec, annealed at 37 1 min, extended at iv b 72 for 2 min and repeated the cycle 45 times, at last, extended at 72 ' c for lomin

    等( 1995 )利用rapd標記區分美國東部一雜交地帶的蟋蟀的兩個姐妹種, allonemobiusfasciatus和a . socius ,並於1998年使用rapd和異型酶標ic做出了這兩種蟋蟀的基因連鎖圖;國內田英芳、鄭哲民( 20of )首次將rapd技術運用於蟋蟀總科的分子系統學研究中,採用2種引物對7種蟋蟀進行了基困組dna多態性研究,並應用upg問a法構建樹狀圖,椎測系統發生關系
  5. To study on structure and inheritance of rh d gene interaction between gene expression of rh d and rh c / e and influences on rh d gene expression of inserts and rh box - methods : 20 pairs of oligonucleotide specific primers for exon, intron 2 4, insert and rh box of rh d, rhc / e gene were designed and composed the polymerase chain reaction - sequence specific oligonucleotide primer ( pcr - ssp ) was used to amplify the rh c / e gene, rh d gene, exon, intron, insert and rh box in 106 samples of unrelated individuals and 7 han nationality ancestries and 5 wei nationality ancestries whose proband were rh d - negative

    目的:觀察中國漢族非血緣關系隨機個體、漢族及維吾爾族家系rh血型的c e基因、 d基因外顯子、內含子、插入片段以及rhbox ,研究rhd基因結構及遺傳規律, d基因表達與c e基因的關聯,以及插入片段和rhbox對d基因表達的影響。
  6. With all the buzz around the c and. net strategy, some might wonder what the linux community is doing in reaction

    隨著c #和. net戰略喧囂塵上,有人可能在想linux社區將作出什麼樣的反應。
  7. Meanwhile, fundamental principles about electroless tin plating by reducing agent and disproportionation reaction were explained. function of every component in the bath was explained that complexing agent can effectively change the potential of copper and tin, and accelerate the beginning of replacement reaction favorably ; reducing agent can increase the rate of chemical reaction and has the effect of promoting reaction dynamics too ; antioxidant can effectively prevent sn2 + in the bath from being oxidated ; additive agent a can improve the stability of the bath ; additive agent b has such effects as refining and brightening for the tin deposits, and it enlarges the range of brightening section ; additive agent c used as leveling agent can not only make the depostis level off, but also improve the dispersive ability of the bath ; surface - active agent can solve bubble problem which gathered on the surface of the deposits, and improve the surface quality of the deposits and the bath stability

    闡述了鍍液中各組分的作用:絡合劑能有效地改變銅、錫的電位,促使初期的置換反應順利進行;還原劑能加快化學反應速度,對反應動力學有積極的促進作用;抗氧化劑能有效地防止鍍液中sn ~ ( 2 + )的氧化;添加劑a能提高鍍液的穩定性,添加劑b對鍍層能有細化和光亮作用,擴大了鍍層光亮區的范圍;添加劑c作為平滑劑,不僅能增強鍍層表面的平整性,而且能提高鍍液的分散能力;表面活性劑較好地解決了化學鍍過程中汽泡在鍍件表面聚集的問題,提高了鍍層的表面質量和鍍液的穩定性。
  8. In macrosopic theories of foreign direct investment, author mainly describes g. damacdougall ' s international investment benefit distribution, kiyoshi kijima ' s theory of comparative superiority investment, r. aiiber ' s theory of money area, john dunning ' s theory of investment development stratege. in microsopic theories of foreign direct investment, author describes stephen herbert hymer & charles p. kindlebeger ' s toheory of monopolization - superiority, teter j. buckley & mark c. casson ' s internalization special advantage theory, raymond vernon " product circle theory, e. f. heckscher & b. ohlin " locational choice advantage theory, john dunning ' s compromise theory of international product. section 3 analyzes current enterprise intemationization theories which involves theories and model such as uppsala international model ( u - m ), cavugil ' s export behavior theory, international operation driving theory, hagg & johnson, etc. 1 enterprise intemationization network model, rogers ' s the innovating - related intemationization models ( i - m ), prahalard & doz ' s integration and reaction model, farmer, r. n

    在外國直接投資的宏觀理論中,主要論述了麥克道格爾( g . d . a . macdougall )的國際投資利益分配模型;小島清( kiyoshikojima )的比較優勢投資理論;阿利伯( r . aliber )的貨幣區域理論;鄧寧( johndunning )的投資發展階段理論;在外國直接投資的微觀理論中,重點討論了海默( stephenherberthymer )和金德爾伯格( charlesp . kindlebeger )等人的壟斷優勢理論;巴克利( peterj . buckley )和卡森( markc . casson )等人的內部化理論;弗農( raymondvernon )的產品周期理論;赫克歇爾( e . f . heckscher )和俄林( b . ohlin )的區位理論;鄧寧( johndunning )的國際生產折衷理論。
  9. Before 900 c, ti reacts with al to form tial intermetallics ; above 900 c, c reacts with remain ti to form tic triggered by the exothermal reaction of ti and al ; tial reacts with tic to produce dense tial / ti2alc composites

    間的放熱反應引發c和未反應完全的ti反應生成tic ; tiai金屬間化合物和tic反應併合成緻密tiai / tizaic復合材料。通過保溫階段, tizaic長成層狀多品結構,同時復合材料緻密化。
  10. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫度及分解溫度降低,且伴有氧化分解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲線基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  11. This paper is concerned with, the existence and stability of travelling wave solutions for the viscous balance law which is an extension of viscous conservation law where a reaction term g ( u ) is added. l ) the existence of travelling wave solutions by geometric singular perturbation method, we investigate the existence of travelling waves ( a2 ) connecting a saddle point and a sink point and the existence of viscous shock waves c connecting two adjacent or disadjacent saddle points. by giving a detailed analysis of the fast and slow manifolds and verifying the transversality of the intersection of singular stable and unstable manifolds of the reduced problem along the singular heteroclinic orbit, we obtain the existence of travelling waves ( a2 ) in the case of a convex flow function / and that of viscous shock waves c under the assumption that f " is bounded

    主要結果如下: 1 )行波的存在性本文利用[ 37 ]中幾何奇異攝動理論,通過仔細分析= 0時的快流、慢流,驗證= 0時慢流方程的穩定與不穩定流形橫截相交於奇異異宿軌道,先在f為凸的條件下嚴格證明了( )存在連接不相鄰的鞍點、結點的行波( a2 ) ;然後在地f有界的條件下得到( )存在連接鞍點(包括相鄰和不相鄰)的粘性沖擊波c ,彌補了[ 11 ]缺少嚴格證明的不足,並推廣了[ 11 ]在f為凸的條件下得到的粘性沖擊波的存在性結果。
  12. Mechanism of catalytic hydrogenation reaction of rosin by pd c catalyst

    為催化劑的松香加氫反應機理
  13. The fouling of monomer recovery system of qilu esbr plant was studied. it was con sidered that the fouling was principally caused b y the following four reasons, there existed the colopholic potassium containing c onjugated doublebonds in the disproportionated colopholic potassium, excessive co ntent of c16 - 18 compositions existed in the fatty acid, excessive content of com positions for which the demol condensation degree was above 5, the reaction conve rsion was higher than 72 percent. effective countermeasures were proposed

    介紹了齊魯引進乳聚丁苯橡膠裝置回收單元存在的設備堵掛問題,經分析認為歧化松香酸鉀中帶有含共軛雙鍵的松香酸鉀,脂肪酸中c16 18組分含量高, demol縮合度高於5的組分高,反應轉化率高於72 %是造成堵掛的4條主要原因,提出了對策。
  14. However the microstructures of the reaction existed before the heat treatment remained untouched. the heat treated fe - cu - c alloy - based composite sintered at 1100c was found to be a kind of ideal wear resistant material

    1100燒結的fe - cu - c基復合材料進行熱處理后可以得到既具有良好的強度性能,又具有優良耐磨性的相對理想耐磨材料。
  15. Results patients were followed up 6 ~ 33 months after operation, no infection case was recurred, c - reaction protein and blood sedimentation were normal, joint function was good

    結果術后隨訪6 ~ 33個月,無一例感染復發;復查c反應蛋白、血沉,皆恢復正常;關節功能恢復滿意。
  16. The results showed that the optimized processing parameters were ph = 9, concentration of mgcb were 0. 4mol / l, reaction temperature were 75 c, flow velocity of co2 were 4. 5ml / min / gcao, stirring strength were 200r / min

    實驗結果表明制備文石相碳酸鈣晶須的最優工藝參數為ph值維持在9左右,反應溫度為75 , co _ 2流速為4 . 5ml min gcao ,攪拌速度為250r min 。
  17. The physiological reaction of c. junos under iron stress in field experiments, c. junos manifested itself as tolerant to iron stress. no chlorosis symptom was not found in its leaves when it was grown in a soil with ph 7. 8. in contrast, severe chlorosis was found in the control plant p. trifoliata grown under the same soil conditions, and leaf chlorophyll content as an indicator for the degree of fe deficiency in p. trifoliata was much lower than in c. junos

    主要的研究結果如下: 1 :鐵脅迫下香橙的生理反應研究香橙在田間實驗中表現耐缺鐵,在ph7 . 8的土壤中生長正常,葉片無任何缺鐵癥狀;但對照植物枳在同樣土壤條件下卻表現出明顯的缺鐵癥狀,作為缺鐵程度指標的葉片葉綠素含量極顯著低於香橙。
  18. A pair of primers, based on the high homologous n - and c - terminal amino acids sequences of subtilisin of bacillus pumilus, were designed and used to amplify subtilisin gene from genomic dna of 4 different bacillus strains by polymerase chain reaction

    Sds 、 edta和pmsf對酶活力有不同程度的抑制作用。以4株芽孢桿菌的總dna為模版,利用擴增短小芽孢桿菌堿性蛋白酶基因的引物對它們進行pcr擴增。
  19. The high specificity of dot - ppa - elisa was proved by the specific blocking test, and also by the cross - reaction test in which the diaphragm did n ' t react with the antibodies against pasteurellosis, streptococcosis, colibacillosis, chlamydiosis, hcv, ppv, brucellosis, prv and foot - mouth disease. the diaphragm has good sensitivity and could detect some salmonella - positive test serum which has been diluted to 1 : 2048. stored at 4 for at least 6 months or at 10 - 25 " c for 4 months, the sensitivity and specif icity of the diaphragm did n ' t change, so it has good stability

    本研究制備的診斷膜片特異性強:不與豬衣原體病、豬口蹄疫病、豬大腸桿菌病、豬布氏桿菌病、豬瘟、豬偽狂犬病、豬細小病毒病、豬巴氏桿菌病、豬鏈球菌病的陽性血清發生交叉反應;診斷膜片具有良好的敏感性,能夠檢測到1 : 2048稀釋的動物試驗陽性血清;膜片的保存期長,在10 25可保存4個月、 4條件下至少可保存6個月其靈敏度不變。
  20. The significance of serum c - reaction protein determinationin differential diagnosis of female pelvic mass

    反應蛋白測定在女性盆腔包塊鑒別診斷中的意義
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