concentration of substrate 中文意思是什麼

concentration of substrate 解釋
底物濃度
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  • of : OF ＝Old French 古法語。
  • substrate : n. 1. 底層，地層。2. 【無線電】（半導體工藝中的）襯底，基底。3. 【生物學】（生態學中的）基層；【生物化學】受質；被酶作用物。
  1. Study of " ph memory " and activity water ( aw ) in processing of immobilization indicates that former factor has much effect on transformation and the latter just has little effect. permeabilization treating of baker ' s cell with alcohol and ultrasonic leads to lower transformation rate, which illustrates that permeabilization procedure has negative role on biotransformation with whole cell as biocatalyst in organic solvent. in simple dynamics research amount of biocatalysu concentration of substrate and reaction course are considered and all of them have remarkable effect on transformation

    Ph記憶、水活度及通透性處理的實驗結果表明， ph記憶對轉化有明顯的影響，水活度對模型反應的影響不大；作為完整細胞生物催化，細胞的通透性可能是傳質阻力的重要組成部分，利用不同濃度的乙醇和超聲波對細胞進行處理，結果表明，在有機相完整細胞生物催化中，通透性處理對轉化產生的是負面影響。
  2. The sensor exhibits a linear response to c3 in the concentration range 6. 5ng / ml to 75ng / ml, correlation coefficient 0. 973. 4 ) a novel enzyme - link fluoroimmunoassay system using 2 - chloro - 10 - [ 3 - ( 4 - methyl - l - piperazinyl ) propyl ] 10h - phenothiazine ( prochlorperazine ) as substrate to determine the goat anti - igg was developed by using polystyrene ( ps ) as carrier. the hrp - labled goat anti - igg can catalyze the oxidation of prochlorperazine to cause the increasing of fluorescence

    4 ）以聚苯乙烯（ ps ）製成史持體，通過疏水性非特異吸附將igg固定在其表面，然後與gaigg和酶標gaigg進行競爭免疫反應，以雙氧水和甲哌氯丙嗪混合溶液為熒光底液，通過測定395nm處熒光增強的多少來測定gaigg的濃度，熒光響應與gaigg濃度在2n留ml到60n留ml之間呈準線性關系。
  3. The rate of substrate change is dependent of substrate concentration.

    被酶作用物變化速率取決于被酶作用物的濃度。
  4. With the increase of substrate salinity, the accumulated sodium and chloride increased. as a result, all tissues had considerablly lower osmotic potentials than that of the solution on which they were grown at 60 day after planting. changes in length, dry weight, water content, ion concentrations, osomotic potential, ion content of hypocotyls during culture indicated that viviparous hypocotyls not only afforded nutrition for seedling growth, but also reserved ions, thus charged the balance of ion concentration and osmotic potential of the seedling

    鹽脅迫下幼苗單株葉面積下降的程度大於光合速率的降低，葉面積的減小是導致減產的主要原因；木欖幼苗各組分中的離子濃度以及含量隨栽培時間而變化；栽培初期剛萌根時，幼苗原胚軸中的離子滲漏到培養液中；此後隨著根系的發育以及芽的生長，幼苗轉為從培養液中吸收離子，並以吸收na 、 cl離子為主。
  5. Using o - aminophenol as a substrate, hrp as label, a competitive immunoassay is used to determine the concentration of the analyte

    幡的日本血吸蟲電化學免疫傳感器至少可用於100次日本血吸蟲抗體免疫分析。
  6. In this model reaction the concentration of product and substrate in solvent system is at a level of umol / ml. as the same time gas chromatogram ( gc ) permits rapid analysis of microliter quantities of sample with high resolution

    根據該模型反應中底物和產物都是微量的（ mol / ml ）這一特點，建立了以氣相色譜（ gc ） 、火焰離子檢測器（ fid ）作為手段的檢測方法。
  7. The results show, iba is beneficial for rooting at a concentration of 400 ppm, with rooting rate of 94. 6 %, and average root number of 9. 8 per cutting ; and the substrate variety used for stem planting also affects rooting efficiency

    結果表明，適宜濃度的iba具有促進金雀花插條生根的作用，其中以400ppm的處理效果最好，生根率達到94 . 6 ，每插條平均根數達到9 . 8條。
  8. Using o - aminophenol as a substrate, hrp as label, a competitive immunoassay is used to determine the concentration of the analyte. we also reported the cyclic voltammetric behavior of 1 - o - allyl - 4 - hdroxy - anthraquinone ( oahaq ) and the preparation and electrochemical characteristics of electrode modified by 2 - pyridinamine

    以辣根過氧化酶作為標記物，鄰-氨基酚作為酶催化反應的底物，採用一個競爭性免疫分析來確定待測抗原（或抗體）的濃度。
  9. In addition, chondroitin sulfate / chitosan composite films are self - assembled through electrostatic attraction on the positively charges mica substrate. the interaction and mechanism of forming the composite films were introduced. when the concentration of chitosan is 5 mg / ml and the concentration of chondroitin sulfate is 1 mg / ml, the composite films exhibited a good miscibility at a molecular scale. this kind of composite films is promising in the field of medical materials

    另外，也研究了草酸鈣在硫酸軟骨素自組裝膜上受控凝集結晶的現象，發現當硫酸軟骨素的濃度為1 . 0mg ml時在雲母表面形成的網狀基底可以誘導過飽和的草酸鈣溶液凝集結晶形成liesegang環，為深入研究尿結石中環結構的形成提供了一定的實驗依據。
  10. The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate

    採用pld技術進行了碳氮化合物薄膜沉積，得到了含氮量為21at的cn薄膜；研究了襯底溫度和反應氣體壓強對薄膜結構特性的影響，給出了cn薄膜中n含量較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶體的原因；引入脈沖輝光放電等離子體增強pld的氣相反應，給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n量可行性途徑；應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ，得到了含n量為56at的晶態cn薄膜；探討了cn薄膜形貌、成分、晶體結構、價鍵狀態等特性及其與氣體壓強和放電電流的關系，證明了- c _ 3n _ 4薄膜沉積為滿足動力學平衡條件的各種反應過程的競爭結果；採用光學發射譜技術對cn薄膜生長過程進行了實時診斷，得到了實驗參量對等離子體中活性粒子相對濃度和氣相反應過程的影響規律，給出了cn薄膜沉積的主要反應前驅物，揭示了cn薄膜特性和等離子體內反應過程之間的聯系；採用高氣壓pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的結構特性，揭示了si原子對薄膜生長過程的影響，給出了si基表面碳氮薄膜的生長模式；在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積，證明了通過控制材料表面動力學條件可以改變碳氮薄膜結構特性，並可顯著提高晶態碳氮材料的生長速率。
  11. The optimized condition is : urease concentration 8 mg l " 1, ph value of subphase 5. 5, association time of ureaes with amphiphiles 2 h, the temperature of subphase 10 ?, sio2 / si substrate with hydrophobic surface

    脲酶濃度8mgl ~ （ - 1 ） ，亞相ph值5 . 5 ，酶與表面單分子膜的締合時間2h ，亞相的溫度10 ，基片表面為憎水性。
  12. The intrinsic carrier concentration reduces when decreasing the v / iii ratio. the high quality of in0. 53gao. 47as can be obtained at the range of 10 - 30 seconds of exchange time between ashs and phs. when the thickness of the buffer layer between the inp substrate and ingaas epilayer is 0. 2 um the mobility becomes the maximum and the carrier concentration is the lowest

    /比對外延層的表面形貌有較大影響，增大/比有利於提高材料的結晶質量；隨著/比增加，遷移率升高；本徵載流子濃度隨著/比減少而降低； ash _ 3和ph _ 3轉換時間在10秒到30秒之間可以獲得質量較好的ingaas外延層；在inp緩沖層厚度為0 . 2 m時遷移率達到最大，載流子濃度達到最低。
  13. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可通過沉積參數的精確控制，以控制沉積過程，減少金剛石膜生長過程中的缺陷，並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程；利用微波對材料的選擇加熱特性，通過構造等效方程，並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中，建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型，為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備，並對基片加熱材料進行了設計和優選，以獲取大面積均勻的溫度場區，甚至獲得大於基片臺尺寸的均勻溫度區；作為研究重點之一，開展了微波等離體化學氣相沉積金剛石的成核與生長研究，系統地研究了在（ 100 ）單晶硅基片上mpcvd沉積金剛石膜的實驗過程中，基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響，分別用raman光譜、 x射線衍射（ xrd ） 、掃描電鏡（ sem ） 、紅外透射光譜（ ir ） 、原子力顯微鏡（ afm ）對薄膜進行了表徵，確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。
  14. Kinetic study shows that nadp + is the only valid coenzyme and that one substrate have no effect on the the other substrates " bind with the enzyme. products are competitive inhibitors, nadp + / nadph and 6 - phosphogluconate / ribulose - 5 - phosphate pairs are competitive whatever the concentration of the other substrates but noncompetitive versus the other substrates. therefore the kinetic mechanism of the 6 - phosphogluconate dehydrogenase is haldance - laidler - socquet random mechanism

    兩種底物與酶的結合互不影響，而在產物抑制效果上， 5一磷酸核酮糖只競爭性抑制6一磷酸葡萄糖酸， nadph只競爭性抑制nadp + ，所以該酶催化機理是haidance一laidier一socquet隨機機理。
  15. The yeast strain 12y - 5 was identified at the species level using two yeast taxonomy systems published by. j. w. kreger - van rij ( 1984 ) [ 24 ] and j. a. barnett ( 1983 ). [ 19 ] in addition, the ability to assimilate several compounds as main sources of carbon and nitrogen was evaluated at the 500ml shake - flask and 3. 7l kfl bioreactor scales. effects of ph, temperature, concentration of dissolved oxygen and utilizable sugar on the growth rate of cells and the rate of the conversion of substrate into biomass were studied

    進而用正交試驗法對該酵母生長的培養基配方及影響生長的重要理化因素進行了較為深入的研究，在此基礎上對影響生長的重要理化因素進行了寬范圍的測驗：並以搖瓶最佳的培養條件為基礎，在3 . 7升kfl -生物反應器上進行了放大試驗。
  16. Special laboratory medicine ; determination of substrate concentration, d - glucose in whole blood, plasma, cerebrospinal fluid as well as urine ; hexokinase - g6p - dh - method

    專用化驗室醫學.全血血漿腦脊髓液及尿液中的酶作
  17. Ysialon and casialon glasses also form at the interface. if 0. 45 % wt sio2 is added in the paste, the tungsten paste has low sheet resistance and matching shrinkage of a1n green - sheet bodies. at this concentration of sio2 in the paste, a1n substrate is little porous at interface

    在陶瓷介質和導帶漿料之間的界面位置，有sio _ 2 、 aln ，以及aln的添加劑cao和y _ 2o _ 3存在，它們四種單質材料發生反應，在界面位置形成ysialon ， casialon玻璃相和casialo和ysio的晶相，提高了焊盤的附著力。
  18. The oxidizing parameters of the anodization in the following experiments were preferred on the basis of measuring the dependence of pl properties ( peak position, and max intensity, etc. ) on anodization conditions, such as the anodizing current density, the time of the anodization, the concentration of the solution ( mainly of hf ), and on the doping level of the substrate

    刻蝕時間、刻蝕液配比及襯底電阻率對pl發光強度、峰值波長等性質的影響。在此基礎上優化出制備多孔硅的具體參數。對不摻sb與摻sb的snci 。
  19. Distance between target and substrate get longer also increase the transmission of aln films. as the temperature of substrate get higher, the transmission of ultrathin aluminum films decrease slightly. nitrogen gas concentration and sputtering time barely take effect on the transmission of aln films

    發現，隨著工作壓強的升高、靶距的增加，薄膜的透光率上升;基片溫度的升高在非晶襯底上會導致樣品透光率的下降;而氮氣濃度和濺射時間對薄膜的透光率影響不大。
  20. The tio2, cds and cds - tio2 films on the common glass substrate were prepared, respectively, using ti ( oc4h9 ) 4, cd ( cooch3 ) 2 and scn2h4 as raw materials by sol - gel method. the influences of manifold preparing parameters ( such as the concentration of sol, the amount of the peg. the number of coatings, the heat - treated temperature and time ) on the structure and performance were studied

    本文採用溶膠-凝膠技術，以鈦酸丁酯、乙酸鎘和硫脲為原料，以普通玻璃片為載體，制備了納米tio _ 2薄膜、 cds薄膜和cds - tio _ 2復合半導體薄膜，研究了制備過程中多種制備參數（如溶膠的濃度，聚乙二醇（ peg ）的加入量，鍍膜層數，熱處理溫度及時間）對薄膜結構和性能的影響，採用x -射線衍射（ xrd ） 、掃描電鏡（ sem ） 、能譜分析（ edxa ） 、紫外-可見吸收光譜（ uv - vis ）等測試手段對各薄膜進行了結構和物性表徵。
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