限量反應物 的英文怎麼說

中文拼音 [xiànliángfǎnyīng]
限量反應物 英文
limiting reactant
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
  • 限量 : limit the quantity of; set bounds to
  1. In the model the film thickness in the passage was obtained at first using two phase flow theory ; then, similar analysis solution of concentration distribution of the pollutant in liquid phase and biofilm was obtained through mass component equation of pollutant in gas - liquid phases combined with the biochemical kinetic equation of mass transfer in biofilm and dismission of oxygen limited ; at last, the distribution of pollutant along the filter height and the waste gas purification efficiency were obtained

    該模型首先運用兩相流理論獲得了通道內液膜厚度,然後通過污染在氣相、液相的質組分方程,結合生膜內的傳質與不?慮氧制的生化動力學方程,獲得了污染在液相和生膜中濃度分佈的近似分析解,最終得到污染在氣相中沿塔高的濃度分佈及廢氣凈化效率。
  2. Quinic acid, used shikimate pathway in e. coli, it is necessary to extend metabolic pathway by introduction of a heterogenous gene qutb into the host cell. double specific enzyme genes arog, qutb or three ones arog, qutb, arob were co - expressed in a single plasmid pbv220 to improve the enzymes " rate - limiting reactions. modifications of e. coli chromosome by both disruption of the arod gene and directed - site insertion of the arob gene resulted in the change of carbon flow redirected into the quinic acid biosynthesis branch

    利用大腸桿菌莽草酸途徑合成新的代謝奎尼酸,須在宿主細胞引入異源酶基因擴展代謝途徑;串聯表達酶基因,同時適增加不同種屬的多個關鍵酶酶,改善;利用同源重組進行基因整合和基因破壞,改造染色體結構定向改變微生代謝途徑;目的是將碳代謝流最大程度的引向奎尼酸生成的方向。
  3. The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore

    第一章回顧了孔結構在當今國內外的研究現狀,包括混凝土測孔方法的研究、孔結構模型的研究及孔結構與強度關系的研究現狀,介紹了孔結構研究方面的一些最重要的成果;第二章敘述了混凝土材料細觀結構的多尺度性及混凝土材料測孔技術的原理,並討論了水泥基多孔材料孔隙分析中常用的表徵參數,也說明了壓汞法測孔對研究結果的影響因素,指出了壓汞法在孔結構研究中的局性;第三章是著重分析了孔隙率與強度關系模型的發展歷程,並對已有的模型進行了比較分析,指出了原有模型的不足之處;第四章在「綜合集成」的基礎上,提出了混凝土孔結構復合體模型和孔系統的理模型,並模擬了該模型下由各單體並聯形成的復合體的斷裂過程,最後根據所建模型編制了相的計算程序,可根據輸入的孔徑分佈與水泥含等參數,實現混凝土理論強度的計算;第五章對第四章模型中出現的模型參數進行了相的試驗數據對比分析,根據回歸分析的方法得到了映基體強度特徵的k值,並從理論上探討了水泥含、彈性模和表面能的修正對混凝土強度計算產生的影響,檢驗模型的正確性;第六章是結論與展望,根據研究綜述了本文對孔結構的一些研究結論並對孔結構發展作了相的展望。
  4. In this article, firstly the background of the textile trade conflicts within sino - us or sino - euro are introduced, thus learn that how to discern and dodge the foreign trade risks, how to choose the appropriate investment projects have already become one of the most important questions for exporting companies on foreign trade affairs well - known as high investment and high risk. so the main text makes a risk analysis qualitatively and quantitatively on a textile - exporting trading company from three angles of statistic 、 game theory and portfolio theory, which is the main content that we studied. firstly, the statistic article adopts data of the transaction closing price of the textile clothing index in shenzhen stock exchange at the end of each quarter as well as several other kinds of data reflecting the macro - economic changes, performs an empirical analysis of these data according to the theory of co - integration test 、 granger cause test and impulse response function of time series in economitric, and learn that the impact to ti is more obvious by the economic index reflecting local commodity price level and economic prosperity degree home and abroad, as well as the impact degree and the time lag degree, and knows the macro - economic risks faced by textile business enterprises ; after that by the game theory angle we analyze exactly the managing risks faced by one textile export corporation named beauty. from the game expansion chart the system arrangement between censor ways by exportation goal countries and exporting strategies by the exporting enterprises has been analyzed. involving the benefit assignment between them both the limited rounds and infinite rounds negotiations of cooperation games have been studied, and then country responsibility and the enterprise managing risks on foreign trade affairs and so on have been analyzed exactly ; in order to realize the investment multiplication in the certain degree to disperse the risk, the

    本文首先介紹了中美、中歐紡織品貿易爭端的來龍去脈,由此可知在涉外貿易這種以高投入、高風險著稱的行業里,如何甄別和規避外貿風險、如何選擇合適的投資項目已經成為外貿企業的首要問題。因此,正文分別從統計學、博弈論和投資組合三種角度對涉外紡織品貿易公司風險進行了定性和定的分析,這也是本文的主要研究內容。首先,統計學篇選取了深圳證券交易所行業分類指數?紡織服裝指數( ti )每一季度末的交易收盤價和若干種映宏觀經濟變化的指標,利用計經濟學中時間序列的協整檢驗、 granger因果檢驗和脈沖函數等理論做實證分析,從而得知映國內價水平和國內外經濟景氣程度的經濟指標對紡織板塊上市值的沖擊比較明顯,且可知沖擊程度和時滯度,進而分析出涉外紡織企業所面臨的宏觀經濟風險;接著,從博弈論的角度具體分析一家紡織品出口公司( beauty )的外貿活動所面臨的各種經營風險,該篇從博弈擴展圖入手,分析了出口目的國審查方式與本企業出口策略之間的制度安排;並圍繞雙方的利益分配,研究了有回合和無回合合作談判博弈,然後具體論述了國家責任和企業涉外經營風險等問題;在一定程度上為了實現投資多元化來分散風險的目的,投資組合篇從經典的markowitz模型著手,在一些特定條件的制下,給出了一個相的投資組合模型。
  5. The results showed that : ( 1 ) the models used by author and the analysis are useful and can be practiced. ( 2 ) after using isolation technology, the structure ' s period, earthquake response, base shear force and acceleration are all decreased markedly and the horizontal displacement focuses on isolation layer. ( 3 ) under frequent earthquake action, the shear force ratio between layers is close to 0. 35 ; in according with the provision in aseismic design code that the horizontal seismic reduction coefficient can choose 0. 53 and the upper building can be designed by decreasing one degree

    計算模型分別採用三維空間模型及規范中建議的彈簧、質模型,隔震層採用疊層橡膠隔震支座,運用大型結構有元計算程序sap2000以及自主開發的nba結構程序計算隔震結構在多維地震動輸入下的動力非線性時程,同時研究了隔震結構在溫度變化的作用下,結構各桿件的內力變化,通過對變電建築在傳統抗震作用下及隔震作用下的分析比較,得出一些有益的結論。
  6. The paper depicts the elasticity with euler form and associates the form with depiction of behavior of fluid. the method takes the velocity as basic variables and then derives the left - deformation tensor from the velocity in order to deal with the time - independent motion. at last in this chapter the equations of the finite flow - element are set up from the principle of the virtual work

    首先建立流管元的概念,對彈性固體相關的部分採用euler描寫,並融入流體行為的描寫中;以速度為變推左變形張,用於處理流固質的定常運動,給出了控制方程和相的變分式;以此為基礎發展了一套相的有流管元演算法。
  7. The traditional catalyst used in acetal ( ketal ) synthetic reaction is strong inorganic acid. but there is some limits to its use because of its side reaction, strong erosion and liability to pollute the environment. molybdophosphoric acid is used as catalyst and three condensation products are prepared through the direct reaction of aldehydes ( ketones ) and ethylene. in addition, several elements of affecting the reaction is researched. it is proved that molybdophosphoric acid is very active as catalyst in less addition, the product yield is quite high and the quality of reuse is quite good

    縮醛(酮)合成的傳統催化劑為無機強酸,但由於副多、腐蝕性強和易污染環境等缺點,其使用受到制.用磷鉬酸為催化劑,通過醛(酮)與乙二醇直接得到了三種縮合產.對影響的諸因素進行研究,結果表明,用磷鉬酸作催化劑,用小,活性高,產品收率較高,且重復使用性能較好
  8. Abstract : the traditional catalyst used in acetal ( ketal ) synthetic reaction is strong inorganic acid. but there is some limits to its use because of its side reaction, strong erosion and liability to pollute the environment. molybdophosphoric acid is used as catalyst and three condensation products are prepared through the direct reaction of aldehydes ( ketones ) and ethylene. in addition, several elements of affecting the reaction is researched. it is proved that molybdophosphoric acid is very active as catalyst in less addition, the product yield is quite high and the quality of reuse is quite good

    文摘:縮醛(酮)合成的傳統催化劑為無機強酸,但由於副多、腐蝕性強和易污染環境等缺點,其使用受到制.用磷鉬酸為催化劑,通過醛(酮)與乙二醇直接得到了三種縮合產.對影響的諸因素進行研究,結果表明,用磷鉬酸作催化劑,用小,活性高,產品收率較高,且重復使用性能較好
  9. Surface plasmon resonance immunosensor is a relatively new immunoassay technique and has been receiving more and more attention in recent years. however, a major disadvantage of spr for bioanalytical applications is that low concentration or low molecular mass analytes could not be detected directly. therefore, it is a challenging task to develop strategies for improving the detection limit sensitivity of spr. in this paper, authors present a novel strategy for improving the sensitivity of spr immunosensing using streptavidinbiotinylated antibody complex. it is proven that the amplification strategy causes a dramatic improvement of the detection sensitivity. this amplification strategy is based on the construction of a molecular complex between streptavidin and biotin labeled protein. the complex can be formed in a crosslinking network of molecules so that the amplification of response signal will be realized due to the big molecular size of complex

    將鏈霉親和素-生素系統用於表面等離子體共振免疫傳感的信號放大,實時檢測了人免疫球蛋白g higg的蛋白濃度。發生免疫的傳感片和生素化抗體后,傳感片表面的一層生素分子隨后與鏈霉親和素-生素化抗體復合中的鏈霉親和素的活性位點發生親和,從而使傳感片表面特異健合的質質顯著增加,大大提高了免疫檢測的靈敏度和檢測。免疫經放大后,可檢測0 . 00510g ml濃度區間內的higg 。
  10. In the process of building and using the mass concrete structures, because of the effect of out - side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance using nondestructive testing method to test the concrete ' s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseases this dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic fem to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, researched the principles of the first - arriving waves " phase when the cracks " depths are not same, obtained the relation between the inversion point and the cracks " depth, which has the direction sense in the application of projects, the second part of this dissertation is ct, which used the ultrasonic wave running through the tested - substance to get arriving - time of the ultrasonic wave, then inverse the image this dissertation drawed one ct program which can well present the different little cells " ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested - substance, ct has the better using foreground.

    在混凝土結構的施工及使用過程中,由於受其自身及外界各種因素的影響,常常會產生一些缺陷,對結構的承載能力和耐久性造成嚴重影響,採用無損檢測技術進行質檢測和健康診斷,這對混凝土結構開展安全、穩定性評估以及病害隱患治理研究具有重要意義。本論文主要針對大體積混凝土結構缺陷的檢測方法展開研究工作,重點討論了超聲波法檢測混凝土結構裂縫的基本原理和方法及其特點、適用范圍,運用動力有元數值模擬其檢測過程,探討了有裂縫缺陷的混凝土結構在脈沖荷載作用下彈性波的傳播及其變化特徵,研究了不同裂縫深度下首波相位變化規律,得出了轉臨界點與裂縫深度之間的關系,這對實際工程用具有指導意義。聲波ct是一種新的無損檢測技術,它是利用聲波穿透被檢測體獲取聲波接收時間,來進行計算機演成像的技術。
  11. However, the lack of a simple, sensitive, and reliable method for mersuring mt has been an obstacle to the elucidation of its physiological and pathological role [ 3 - 5 ]. after initial attempts with bioassay, gas chromatography - mass spectrometry for quantifying mt in body fluids was tried, followed by hplc. the major limitations to these techniques were expense, low throughput, extensive sample work - up before assay [ 4, 5 ]. in order to further study the funcation of pineal gland, also in order to deeper understand drug - receptor interactions, therefore better to build mt receptor models and to design new seletive ligands. which applying solid foundation for mt and its analoges ' s therapeutical application. we produce and characterizate monoclonal antibodies to melatonin

    Kx碩士掌位論文wmaster 』 stiffisis在最初嘗試用生檢測法、氣相色譜一質譜來檢測mt在體液中的,后來通過高效液相色譜6 8 ,這些技術主要的制是過于昂貴檢測樣品少、檢測前樣品處理復雜3 , 4 。為了更進一步地研究松果體的功能,也為更深入了解藥受體的內在,為建立更完善的mt受體模型和設計新的可選性配體,為mt和其類似治療用提供堅實的基礎,我們制備和鑒定了抗mt的單克隆抗體。
  12. 2 if doses sufficient to cause paralysis are administered to animals, then anaesthesia and artificial entilation will also be required, which may exert their own effects and so risk obscuring any toxic action

    強效神經肌肉阻斷劑的毒性試驗代表了一種平衡,即在質藥理作用增強的實驗性局性和毒理學家想要用盡可能大的劑以發現該質任何潛在的能引起不合需要的之間的平衡。
  13. This part emphasizes the synthesis of nanoarrays, aiming at controlling the size and distance of nanocrystallites using calixarene derivatives by altering the size, length and chemical structure of the organic molecules ; 2. this part emphasizes in situ synthesis strategy for fabrication of polymer network of zns based nanopowder, aiming at size controls, coating and preventing agglomeration following " one - pot " synthesis ; this method fits to low cost, large scale production ; 3. according to development in zno nanomaterials, we first report on the synthesis, characterization of amorphous zno, aiming at describing the principles and approaches of synthesis techniques, optical properties, spatial structure and doped effect ; the amorphous zno displays cage - like structure, showing a strong ultraviolet emission while the visible emission is nearly fully quenched, a potential uv - emission material ; 4

    本論文以子結構自組裝為出發點,提出利用杯芳烴及其衍生的化學受實現尺寸可調半導體納米粒子自組裝;提出有機聚合網路原位組裝zns基納米熒光粉方法,把熒光粉的納米化、包敷、防團聚在「一鍋」中完成,適于低成本,批生產;根據當前zno的研究情況,我們首次合成了非晶zno ,研究了它的光學性質,確定了它的結構,並對其摻雜進行了初步的研究,非晶zno表現出強的深紫外發光特性,而可見發射非常弱,是一種有巨大潛在用價值的深紫外發光材料;利用非晶zno的亞穩特性,對晶化過程中非晶zno納米晶zno三維受子結構特性,界面特性進行了深入的研究;利用固相熱分解一般受擴散控制特性,實現了尺寸可控的zno三維子結構的自組裝;利用非晶zno的高度分散性,容易均勻成膜特性,實現了非晶籽晶誘導低溫液相外延自組裝生長高取向zno晶體薄膜。
  14. These mechanisms involve in the binding of heavy metals to cell wall, immobilization exclusion of the plasma membrane, efflux of these toxic metal ions, reduction of heavy metal transport, compartmentalization and metal chelation by tonoplast - located transporters, expression of more general stress response mechanisms such as stress proteins

    這些機制包括重金屬離子與細胞壁的結合,制重金屬離子透過細胞膜,重金屬離子或化合的排出,重金屬在植體內的轉移,重金屬的絡合與區隔化以及植對脅迫的基本的機制如脅迫蛋白含的變化等。
  15. These two features and the fact that large quantities of material are to be treated dictate the type of process used industrially for these reactions.

    這兩個特點以及處理料的數很大這一事實,就定了為進行這些在工業上所用過程的類型。
  16. This course provides mechanical engineering students with an awareness of various responses exhibited by solid engineering materials when subjected to mechanical and thermal loadings ; an introduction to the physical mechanisms associated with design - limiting behavior of engineering materials, especially stiffness, strength, toughness, and durability ; an understanding of basic mechanical properties of engineering materials, testing procedures used to quantify these properties, and ways in which these properties characterize material response ; quantitative skills to deal with materials - limiting problems in engineering design ; and a basis for materials selection in mechanical design

    本課程向機械工程學系學生提供以下知識:當固態工程材料承受機械或熱載荷時的各種;介紹與工程材料之設計極相關聯的理機制,特別是剛度、強度、韌性、以及延展性;理解工程材料之基本力學性能;用來化這些性能的測試手段;以及描述材料之特性的方式;定處理工程設計時所遭遇到材料極問題;以及機械設計時選擇選擇材料之基本概念。
  17. A eukaryotic expression vector pcdna3. 1 - cptl was constructed by insert cp77 gene into the vector pcdna3. 1 which is used in nucleic acid immunization. the vector was immuned the balb / c mice by the method intramuscular injection after extracted and purified in great deal. immu - nological reaction was induced by the expression of cptl after the vector entered into the mice body

    本研究通過制酶將cpti基因片段從載體pbluel3上切下,插入真核表達載體pcdna3 . 1 ,構建了用於核酸免疫的真核表達載體pcdna3 . 1 - cpti ;質粒大提取和純化后,通過肌肉注射的方法免疫balb c小鼠,基因表達產刺激小鼠機體產生免疫,從而獲得了抗cpti蛋白的抗體。
  18. The characteristic value of the so - called inverse algebraic eigenvalue problem is that under certain restrict conditions against the question, elements of matrix are determined according to eigenvalue or eigenvector. the practical inverse alebraic eigenvalue problem arose in phisical chemistry in the study of molecular structures. it arises in various areas of application in a lot of filelds, such as dispersed system of physical mathematic, design of vibration system of the structure, correct and control, particle nuclear spectroscopy, linear variable control system and so on

    所謂代數特徵值問題就是在一定的制條件下,根據給定的特徵值或特徵向決定矩陣的元素,它是在研究理化學中研究分子結構時發現的。矩陣特徵值問題在數學問題的離散系統、結構振動系統的設計、校正與控制、粒子理的核光譜學、線性多變控制系統的極點配置等許多領域都具有重要的用。
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