首劑反應 的英文怎麼說

中文拼音 [shǒujìfǎnyīng]
首劑反應 英文
first-dose reaction
  • 首 : Ⅰ名詞1 （頭） head 2 （首領） leader; head; chief 3 （表示方位） aspect 4 （姓氏） a surname Ⅱ動...
  • 劑 : Ⅰ名詞1 （藥劑; 制劑） a pharmaceutical or other chemical preparation 2 （某些有化學作用的物品） a...
  • 反 : Ⅰ名詞1 （方向相背） reverse side 2 （造反） rebellion 3 （指反革命、反動派） counterrevolutionari...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  1. In order to improve the electro - catalytic activity of platinum based catalyst to methanol oxidation, in this thesis, firstly prepare heteropoly acid modified pt / gc electrode with different concentration by cyclic voltammetry method, and then test the cyclic voltammetry curves individually in vitriolic and methanol solution. the study shows the best concentration for both phosphomolybdic acid and phosphotungstic acid is 1 10 ~ ( - 3 ) mol / l. and find the more heteropoly acid modified on electrode, the lower peak - up potential towards methanol because of the existence of oxygenous species

    為了改善鉑基催化劑氧化甲醇的催化活性，本論文首先通過循環伏安掃描法制備了不同濃度磷鉬酸和磷鎢酸修飾的pt / gc電極，通過研究pt / gc電極在修飾前後在硫酸溶液中及含甲醇的硫酸溶液中的循環伏安行為發現，磷鉬酸和磷鎢酸均能在ptru / c電極上發生氧化還原反應，而且雜多酸修飾濃度對pt / gc電極氧化甲醇的催化活性有很大影響。
  2. First in an 150 - 550 temperature range, the influence of oxygen concentration, space velocity and propene concentration on the no conversion was investigated and then also the macro kinetics of propene oxidization and no reduction

    本文研究了在pt al _ 2o _ 3催化劑上進行的hc - scr反應，用以稀燃發動機尾氣的治理。首先在150 - 550溫度范圍內考察了氧氣濃度、空速及還原劑濃度對no轉化的影響。
  3. When chlorotrimethylsilane is added to ( 2 - amino - primidin - 5 - yl ) - methanol derivatives, the methylation would be found. it is a strange reaction which is first reported

    氨基5 -羥甲基嘧啶衍生物用三甲基氯硅烷在乙氰溶劑中迴流會發生醇的甲基化反應，該現象尚屬首次發現。
  4. Using water - soluble carbodiimide as condensation agent, biomacromolecules such as gelatin, collagen and chitosan were covalently grafted on the plla - g - pmaa membranes. solution of the biomacromolecules was further coated on the above membranes to increase the surface density of the biomacromolecules. this technology was designated " grafting and coating " method

    為了將生物大分子化學接枝于plla膜表面，首先在plla膜表面接枝pmaa ，將羧基引入plla表面，利用水溶性碳化二亞胺edac作為縮合劑，與含有氨基的生物大分子反應，可將生物大分子如明膠、膠原和殼聚糖化學接枝在plla膜表面。
  5. The present studies aimed to find the responses of neurons and glias in the target and other brain areas of the linear accelerator - irradiated rats. in the first experiment, time - dependent neurons changes in the brain after hemispheric irradiation at an single - fraction maximal dose of 20 gy were observed by investigating the expression of an immediate early gene, fos protein. the results shown : compared with that of the un - radiated rats, the expression of fos protein in the irradiated brain decreased distinctly 24 hours and 1 week after irradiation

    首先，利用即刻早期基因fos的表達，做了同一照射劑量（ 20gy ）照射大鼠半腦后不同存活期間（ 1d ， 7d ， 14d ， 2ld ， 28d ）大鼠全腦神經元動態變化的觀察，發現：受照射后1d 、 7d大鼠腦內各部位fos蛋白表達均明顯減少，隨著時間的延長，其fos免疫反應性細胞數量逐漸增加，照射后28d ，延髓、第四軍醫大學碩士學位論文腦橋內hs免疫陽性細胞數量恢復並超過正常對照組水平，但中腦、間腦及端腦內未恢復到正常對照組水平。
  6. The influence of catalyst on the copolymerization of epoxy and cyanate was investigated, and the mechanism of their copolymerization was discussed. the catalyst can obviously accelerate the curing of the resin to decrease the curing temperature. the three kinds of reactions ( cyclotrimerization, co - reaction and polyetherification ) in their copolymerization are not simultneous and independent to each other. in the lack of cyanate functional group, the main structures are oxazoine and polyether structure in the cured resin, and the triazine ring structure is of miner importance

    研究了催化劑對環氧樹脂與氰酸酯樹脂的共聚固化反應行為的影響，並初步探索氰酸酯/環氧固化的反應歷程.研究表明，催化劑能明顯地促進其固化反應，降低固化溫度，縮短固化時間；氰酸酯與環氧共聚反應歷程是首先氰酸酯三聚反應生成三嗪環結構，然後三嗪環開環與環氧共聚反應，最後是未能參與共聚反應的環氧官能團在唑啉結構和三嗪環的催化下發生聚醚化反應；在氰酸酯官能團欠量的條件下，固化樹脂中主要是唑啉和聚醚結構，而三嗪環結構的含量很少
  7. Solvent replacement experiment provided direct evidence that there was water - rich adsorption layer and the reaction took place in the layer. the changes of the water in adsorption system were determined by kf - 1 water microdetector and from these data the volume of the adsorption layer on sio2 was calculated

    首先用溶劑置換實驗驗證了納米反應器的存在且是反應和粒子生長的場所；再結合卡爾?費休水分測定儀測定了吸附體系中水分的變化，計算了sio _ 2表面吸附層的厚度。
  8. Ethyl vanillin was synthesized by the phase - transfer catalysis cteab and o - ethoxyphenol, which was prepared from pyroeatehol with an overall yield of 55. 2 %, and the factors in the reaction, such as phase - transfer catalysis and temperature, were discussed

    摘要以鄰苯二酚為原料，首先合成中間體鄰乙氧基苯酚，然後以十六烷基三乙基溴化銨為相轉移催化劑合成了乙基香蘭素，考察了相轉移催化劑的選擇及反應溫度，最後收率為55 . 2 % 。
  9. In this paper. flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is studied. according to characteristic analysis, the model of completely mixing reactor in series is introduced to characterize real reactor as a theoretical model. on the basis of analog computing analysis and discussion of theoretical model. by means of pulse tracer method, experiments on residence time distribution ( rtd ) have been done in different conditions including the change of tracer level, feeding flow rate and circulation flow rate. the result shows when the ratio of circulation flow rate and feeding flow rate amounts to at least 4, the flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is very close to the model of completely mixing reactor in series. an amendatory model has been established by the regression method

    作者首先在對反應器進行特徵分析的基礎上，建立了描述中試規模多級外循環流化床生物反應器流動特性的串級全混流模型，並對理論模型進行了模擬計算分析和討論，在此基礎上，作者分別在無循環和有循環（改變示蹤劑用量、流加流量和循環流量）的條件下，利用脈沖示蹤法對一到五級串聯外循環流化床反應器進行了停留時間分佈實驗，結果表明，在循環流量與流加流量的比值達到大於等於4時，中試規模多級外循環流化床反應器的流動特性接近串級全混流模型，通過數據回歸擬合的方法，建立了中試規模一到五級串聯外循環流化床反應器的流動模型。
  10. A variety of aldehydes were converted into acylals in good yields with anhydride in the presence of a catalytic amount of zinc bromide under solvent - free conditions

    以醛和酸酐為原料，溴化鋅為催化劑，無溶劑條件下高產率地合成了偕二酸酯（其中醛與苯甲酸酐的反應是首次報道） 。
  11. Germanic norfloxacin was prepared for the first time via the reaction of sodium norfloxacin and germanic chloride in pyridine solvent, yield90

    首次以吡啶作溶劑，用氟哌酸鈉與四氯化鍺反應，合成了氟哌酸鍺，收率90 。
  12. 2. in this thesis, the mesoporous silica was experimented by using macromolecule microemulsion as template, and template was removed through calcinations and extraction with hot ethanol. the mesoporous materials were synthesized and characterized with tem, x - ray diffraction, nitrogen adsorption / desorption and ft - ir techniques, etc. the results showed that all the samples had larger porediameter than samples " through calcinations under resembled conditions, but the mesopore ordered poorly

    首先以剛合成的粒徑均勻分佈的高分子微乳液為模板劑和反應介質，採用萃取和煅燒的方法得到了介孔氧化硅材料，採用ft - ir 、 xrd 、 tem 、 n _ 2吸附脫附曲線等測試手段對經不同處理過的介孔氧化硅材料結構進行了表徵。
  13. The factors that affect on graft ratio are discussed. the factors include reactive temperature, reactive time, the dosage of initiating agent and the dosage of maleic anhydride etc. the optimum reactive condition and the optimum reactive compounding formula are gotten

    在本課題研究過程中，首先制備了pe - mah ，討論了反應溫度、反應時間、引發劑的用量和酸酐用量等對接枝率的影響，得出了最佳反應條件和最佳反應配方。
  14. The electrocatalytic activities of the pt / c catalyst prepared with the solid phase reaction method for the ethanol oxidation is reported for the first time. it was found that the electrocatalytic activity of the pt / c catalyst with 20 % pt prepared with the solid phase reaction method is much better than that of the pt / c catalyst prepared with the traditional liquid phase reaction method

    首次研究了用固相反應法制得的pt c催化劑對乙醇氧化的電催化活性，發現用固相反應法制得的含pt量為20的pt c催化劑對乙醇氧化的電催化活性遠高於傳統的液相反應法制得的pt c催化劑。
  15. At last, the heart beating speed and blood pressure of taxi drivers and the response time are measured after the vibration duration is 0, 2, 4, 6, 8, 10 hours. the phenomena that response time is longer and longer, the rate of heart beating is faster and faster and blood pressure raises firstly and then decreases are founded. the drivers will suffer from fatigue in about 8 hours

    最後，本論文在國內外首次對出租車駕駛員工作0 、 2 、 4 、 6 、 8 、 10小時后的心跳速度和血壓這兩個生理指標及反應時間進行了測量，並發現隨著工作時間的增加，出租車駕駛員的反應時間逐漸加長，心跳速度逐漸增加，駕駛員的血壓先增加后降低;發現出租車駕駛員大概在工作8小時之後疲勞，與駕駛員的主觀感覺完全吻合;通過計算，職業駕駛員疲勞時對應的估計振動劑量值為: 11 . 12ms - 1 . 75 ，依此可以將此研究成果推廣到其他類似出租車駕駛員的職業駕駛員的疲勞判別中，從而可以制定出更合理的作業時間。
  16. In cvd support method, carbon nanotubes were prepared with the supported fe catalyst on the regular mesoporous molecular sieve mcm - 41 by catalytic pyrolysis of c2h2. the author studied systematically the effect of different react conditions on the structure, property and thermal - stability of mcm - 41, and reached an optimum condition of prepared mcm - 41, whose mesoporous diameter was about 2. 9nm, with 0. 12 c16tmabr : 1teos : 0. 24naoh : 66. 7h2o under hydro - thermal condition

    Cvd基體法制備碳納米管中，首先探索了不同反應條件對mcm - 41材料結構性能和熱穩定性的影響，優化工藝參數，結果發現水熱條件下反應物的摩爾配比為0 . 12c16tmabr ： 1teos ： 0 . 24naoh : 66 . 7h2o時制得的mcm - 41材料最適合用來作為催化劑基體材料，其孔徑大小為2 . 9nm左右。
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