結合別構劑 的英文怎麼說
中文拼音 [jiēgěbiégòujì]
結合別構劑
英文
allesteric effector- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 別 : 別動詞[方言] (改變) change (sb. 's opinion)
- 構 : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
- 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...
- 結合 : 1 (發生密切聯系; 聯合) combine; unite; integrate; link; binding; coalition; cohesion; connectio...
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Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping
本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。Moreover, the quenching concentration of eu is raised. on the basement of successful synthesis of two - components oxide, edta complexing sol - gel method was expanded and applied to effectively synthesis nanosized muti - components oxide, such as la1 - xsrx fe o3, lafe1 - xcuxo3, la1 - xsrx coo3, laco1 - xcuxo3 because edta can bind with most metallic elements of the periodic table, this technique become a versatile tool in the production and study of new nano materials of multi - component complex oxides. a economic and new process has been studied to synthesis la2o3 nanocrystalline, using nh4hco3 as precipitant
河北大學理學博士學位論文對于單一組份的稀土氧化物,探索出一條更經濟、更方便的合成方法,即:用碳酸氫錢做稀土沉澱劑,成功地制備了納米l匆03 ,並對中間產物碳酸斕及其燒成的氧化斕分別進行了ir 、 tg一dta 、 sem 、 xrd分析研究,確定了碳酸憫的組成,氧化斕的物相、結構,並發現分散劑的種類對微觀形貌有一定的影響。With the rapid development of molecular biology, the researchers of different scientific background are provided with a good opportunity to enter the field. people can resolve some important difficult problems with all kinds of research methods and knowledge in their fields. it is chemists " tribute that they design and synthesize effective nucleic acid cleavage reagents and clarify the reaction mechanism of complexes and dna, which makes it possible to search effective remedial reagents and structural probes by molecular design
分子生物學的迅猛發展為不同科學背景的研究者涉足該領域提供了良好的機遇,人們可以利用各自領域的研究方法和知識來攻克生物學中的一些重要難題,化學家所能做的貢獻就是設計和合成一些特異識別和高效切割的核酸斷裂試劑,並闡明其作用機理,從而使通過分子設計尋找有效的治療試劑和結構探針成為可能。Different equations to corresponding components are presented by analysing and transformating the general equations of fluid routes, then static characteristics mathematical model of liquid propellant space propulsion system is presented. based on the data of static characteristics calculation, mass model of thruster, propellant, propellant tank, gas, gas bottle, pipe and valve is presented using both the method of statistical regression and the method of stress analysis, then corresponding mass model is presented. based on the characteristics of liquid propellant space propulsion systems, analyse the five phases ( concept and definition, design and improvement, manufactureing and arrangement, operation and ma intenance, disposal ) in which life cycle cost of liquid propellant space propulsion systems is cost separately, then discompsed structure of life cycle cost and model of life cycle cost are presented
將組件分成氣路組件和液路組件,再對氣路組件和液路組件進行相應的分類,然後通過對通用流路方程進行分析和變換對不同類型的組件分別建立不同的方程,從而建立了一個適用於液體推進劑空間推進系統的靜態數學模型;根據靜態計算所得到的數據,應用統計回歸法和應力分析法分別建立推力室、推進劑、推進劑貯箱、氣體、氣瓶以及導管和活門等的質量模型,從而建立相應的質量模型;結合液體推進劑空間推進系統特點,對液體推進劑空間推進系統全壽命周期費用發生的五個階段(概念和定義、設計和改進、製造和安裝、運行和維修、處理)分別進行分析,建立了液體推進劑空間推進系統全壽命周期費用分解結構和全壽命周期費用模型。A super acylation catalyst, 4 - dimethylamino pyridine ( dmap ), was prepared and used to synthesize cholesteryl ester compounds. four kinds of cholesteryl ester compounds such as cholesteryl p - alkoxyl benzoate, cholesteryl dicarboxylate, cholesteryl lumequeic ester and coattail - like cholesteryl ester were synthesized by acylation method and super acylation catalyst method. chemical structures and liquid crystal behaviors of the synthesized samples have been characterized by using element analysis, ftir, dsc and polarized microscopy with a hot stage
本文合成了高效酰化催化劑4 -二甲基氨基吡啶( 4 - dimethylaminopyridine , dmap ) ,採用酰氯化法和高效酰化催化劑法分別合成了對烷氧基苯甲酸膽甾醇酯、對稱脂族二羧酸膽甾醇酯、烯酸膽甾醇酯及燕尾型膽甾醇酯四類膽甾醇酯衍生物,並進行了化學結構和液晶性能的表徵。Second, the concept of unified modeling language is describled, and its " 4 + 1 " views ( use case view. logical view, implementation view, process view, deployment view ) are describled based on the characteristics of liquid propellant space propulsion systems. software process model, the concept of iteration and increment, the concept of software development based on risks, sysnerty software process model are describled ; software model of the study of the software of configuration analysis of liquid propellant space propulsion systems is presented in this paper using unified modeling language and synergy software process model
然後本文闡述了統一建模語言的概念,並結合空間推進系統特點分別對統一建模語言的「 4 + 1 」結構視圖(用例視圖、過程視圖、邏輯視圖、實現視圖、部署視圖)進行了闡述;闡述了軟體過程模型和迭代、增量及基於風險的軟體開發的概念以及synergy軟體過程模型;應用統一建模語言和synergy軟體過程模型建立了液體推進劑空間推進系統構型分析軟體的軟體模型。( 2 ) in order to achieve the binding mode, the docking simulations were performed between glutathione ( gsh ) and different isomers of 99mtc - hmpao with the package of autodock. the mechanism of the two molecules recognition and the effect of the stereoisomers on its retention in the brain in terms of the level of molecular and theoretical calculations were also discussed in our work
Dock軟體模擬腦灌注顯像劑」 」 to hmpao的不同的異構體與谷眈甘肽( gsh )的對接,擬獲得二者的初步結合模式,從分子水平和理論計算上對二者的識別機制以及」 」 to hmpao的立體構型差異對其滯留效應的影響進行了討論。According the characteristics of heat exchanger, the number of flow phases and the flow structure in the heat exchanger vary when heat transfer area, heat transfer coefficient or pressure change. subsection models was founded respectively, and that the simulation model has been set up through advanced continuous simulation language ( acsl ) correspondingly
針對換熱器動態工作過程中各相區的換熱面積、換熱系數、壓力的變化會引起製冷劑相區數目和相區組合發生改變的特點,分別建立了各種組合結構的數學模型,並運用acsl實現了它們的模擬模型。Some respects of self - compacting high - strength concrete ( schsc ) made of fujian province ' s local material have been studied in this thesis as follows : 1. studies on microstructure of the schsc. three different mixed schsc and one normal high - strength concrete ( nhsc ) were observed by the scanning electron microscope at different sites and different ages of 1 day, 3 days, 7 days, 28 days and 60 days. from the test, the effects due to no vibrating and admixture on the microstructure of schsc were studied
通過四組強度等級相當,分別為普通混凝土、兩組不摻膨脹劑的自密實混凝土(其粉煤灰的摻量不同)和摻有膨脹劑的自密實混凝土,在同一養護齡期的條件下( 1天、 3天、 7天、 28天和60天) ,分別選擇粗骨料過渡區、細骨料過渡區、水泥石和砂坑作為觀測點,採用sem進行細觀掃描對比實驗,以研究自密實混凝土因免振搗的特性及摻合料對其骨料界面和水泥石結構的影響。Abstract : in the light of a comprehensive study and andlysis of the assortment and chemical structure of present anti - fading agents, the authors designed and choosed a group of antifadding agents suitable for color image, i. e. hals light stabilizers which are widely used in high polymer industries in recent twenty years. the novel antifading agents have been tested with color paper recipe and yielded good results
文摘:本文在研究分析現有防褪色劑的類別和化學結構的基礎上,設計了一類適合彩色影像的光穩定劑化合物,即近二十年來廣泛應用於聚合物工業的受阻胺光穩定劑,並採用彩色相紙配方進行實驗,結果良好。Abstract : polyphenylacetylenes were synthesized by rn ( nbd ) cl 2 and wcl6 / ph4sn catalyst systems in n2 at room temperature. polymers with high yield and high molecular weight were obtained. their structures were characterized by uv, ir, nmr and gpc, respectively. the fluorescence of the polymer solution with different concentration was investigated using variable excitation wavelength from uv to visible region. the relation between fluorescence and polymer structure was studied. the results showed that the molecular chain structure has great influence on fluorescence of the polymers. the emitting peak wavelength of fluorescence for the polymer of high stereoregularity is independent of solution concentration and excitation wavelength. the emitting peak wavelength of fluorescence for the polymer with disordered molecular chain arrangement varies with changing the solution concentration and excitation wavelength, and different emission sites in molecular chains and low emitting yield are shown. the measurement and analysis of fluorescence spectroscopy of polyphenylacetylenes may provide some useful information to judge the molecular chain arrangement in some conjugated polymers
文摘:使用有機金屬銠、金屬鎢/四苯基錫催化劑體系聚合苯乙炔,分別獲得了高產率和高分子量的聚苯乙炔.使用uv , ir , nmr , gpc等分別對聚合物結構進行了表徵.採用不同波長的激發光對聚合物熒光性能進行研究,詳細分析了聚合物結構與熒光性能之間的關系.研究結果發現,不同聚合物結構對聚合物熒光性能產生很大影響,規整性高的聚合物,將有較高的發光量子效率;聚合物規整性差,將可能導致多個熒光發光結構點,其熒光強度降低.聚合物熒光光譜研究將對某些共軛聚合物結構的規整性分析提供一些有用的信息A new type of water - resistant buffing and abrasive tool, combined of macromolecule abhesive agent and abrandant with betterelasticity, ductility, higher inner structure, abscess ratio ; it can cut, buff and porphyrize evenly, especially perfect for easily burnt, easily blocked work pieces
採用高分子粘合劑與磨料合成的新一代拋磨器具,具有較高彈性與韌性,其內部結構氣孔率高,防水性好,具有均勻切削拋磨能力,特別適用於磨削易燒傷,易堵塞的工件。Match ratio tests are done by using cement and fly - ash as curing agent, which include making soft clay with different water content into different mixing ratio cement - stabilised clay, and mixing cement and fly ash to make different cement - fly ash stengthened clay to soft clay with ascertaining water content. afterwards unconfined compression strength is tested at different curing age. the microstructures and mechanisms of cement soil and cement - fly ash soil are studied by mean ", of x - ray and scanning electron microscope ( sem ) technology
採用水泥和粉煤灰為固化劑在室內進行其配合比試驗,對含水量不同的軟粘土製成不同摻入比的水泥土以及對含水量值固定的軟粘土製成水泥、粉煤灰摻入量分別不同的水泥-粉煤灰加固土,並在不同齡期時進行無側限抗壓強度試驗;運用x射線衍射和掃描電子顯微鏡技術,對水泥土及水泥-粉煤灰加固軟土的微觀結構和機理進行分析。Preparation of polymer composites is one of the important methods to realize high performance of polymer materials. in this paper, a newly developed ethylene - octene copolymer ( eoc ), catalyzed by metallocene catalysts, was used as an impact modifier for pp instead of traditional modifier ( epdm ). the relationship between the structure and properties of polypropylene composites toughened and reinforced by eoc and cacos respectively or together was studied systematically
聚合物復合材料的制備是實現高性能聚合物材料的重要途徑之一,本論文採用茂金屬催化劑合成的新型聚烯烴彈性體乙烯-辛烯共聚物( eoc )代替傳統的三元乙丙橡膠,對eoc和caco _ 3兩種增韌劑分別和協同增韌增強聚丙烯復合材料體系的形態結構與性能的關系進行了系統的研究,圍繞高性能、應用探索和理論研究三個方面作了較為深入的探索和分析,獲取了很多有價值的信息,為高性能聚丙烯復合材料的開發和應用作了理論鋪墊,主要結果如下: 1The intermediate - temperature sofc ( solid oxide fuel cell ) ’ s electrolyte with perovskite - type lsgm ( la _ ( 0. 9 ) sr _ ( 0. 1 ) ga _ ( 0. 8 ) mg _ ( 0. 2 ) o _ ( 3 - ) ) was synthesized using advanced pechini method and solidification method. the thermal and electrical properties of the sintered samples ( synthesized by two different methods ) were measured and compared by thermal expansion and ac impedance spectroscopy ; the phase transformation process and inner structure were measured and compared by xrd, dta - tg and ac impedance spectroscopy. the research results show that the electrolyte synthesized by advanced pechini method has several advantages, such as fine pre - powders, low sintering temperature, reduced or eliminated impurity phases and high conductivity etc. so, the apm is ideal method to synthesize lsgm
採用改進的檸檬酸法(以檸檬酸和edta乙二氨四乙酸為復合絡和劑,檸檬酸為燃料)和固相法分別制備了具有鈣鈦礦結構的中溫固體氧化物燃料電池的電解質材料lsgm ( la _ ( 0 . 9 ) sr _ ( 0 . 1 ) ga _ ( 0 . 8 ) mg _ ( 0 . 2 ) o _ ( 3 - ) ) ,用差熱?熱重分析( dta / tg ) 、 x光衍射分析( xrd ) 、交流阻抗譜技術( ac - impedancespectra ) 、比表面積分析( bet )和燒結收縮率曲線等手段對產物的熱分解過程、物相轉變和內部結構等進行了表徵,並對由這些粉體燒結而成的固體氧化物燃料電池的電解質材料的電導率進行了檢測。It has many advantages, such as the particles size is well distributed, and its diameter can be well controlled, etc. because of this virtue, reverse micelle shows broad prospects in the preparation of ferrite nanoparticles. hi this work, the syntheses of mnfe2o4 nanoparticles, cofe2o4 nanoparticles and znfe2o4 nanoparticles are prepared by the reverse micelle method, these preparations employed reverse micelles formed with anionic surfactant bis - ( 2 - ethylhexyl ) sodium sulosuccinate ( aot ), which is considered the most effective surfactant, and another anionic surfactant bis - ( 2 - ethylhexyl ) sodium hydroxy sulosuccinate ( ahot ), which is a new surfactant, and was synthesized by our own research group. we also synthesized znfe2o4 nanoparticles using the cationic surfactant cetyltrimethylammonium bromide ( ctab )
本文分別採用通常被認為最佳的陰離子表面活性劑? ?二( 2 -乙基己基)丁二酸酯磺酸鈉( aot ) ,和我們課題組自己設計合成的新型陰離子表面活性劑? ?二( 2 -乙基己基)羥基丁二酸酯磺酸鈉( ahot )所構成的反膠束體系為微反應器,成功制備了mnfe _ 2o _ 4納米粒子、 cofe _ 2o _ 4納米粒子和znfe _ 2o _ 4納米粒子;還以陽離子型表面活性劑? ?十六烷基三甲基溴化銨( ctab )構成的反膠束體系為微反應器,成功制備了znfe _ 2o _ 4納米粒子;並探討了表面活性劑的種類和結構對反膠束法制備鐵氧體納米粒子反應的影響。The results showed that the fabric of the reinforced material was a very critical factor in the influence of tackifier contents and optimal tackifier contents on the mechanical property of composites ; the tackifier had no negative effect on mechanical property of 827 carbon fabric reinforcement composites and 3186 carbon fabric reinforcement composites, when tackifier contents was individually percent five and eight
結果表明:定型劑含量對復合材料力學性能的影響規律、定型劑最佳用量均對增強材料的織態結構有著很強的依賴性;在3186緞紋3266樹脂體系和827單向碳布3266樹脂體系中,定型劑用量分別為8 %和5 %時,定型劑的加入對復合材料的力學性能沒有造成明顯的劣化作用。This is a problem vitally important to both molecular biologists and bioinformatists today. we herein become interests in comparing ( - sheet topologies of protein main - chain, identifying combination of the side - chain, introducing structural mobility into secondary structure and conformation, and simulating enzyme active site fluctuation by intelligent polymer catalysts
本文致力於比較蛋白質主鏈的( -折疊片拓撲,識別側鏈的組合,並將結構的運動性引入二級結構和構象,且用智能高分子催化劑來模擬酶活性部位的漲落。The field emission property of carbon nanotubes could be increased by substitution of nitrogen for some of carbon, however, however, that of bcn nanotubes was poor. 1. study of disordered multi - wall carbon nanotube carbon nanotubes with different diameter distributions have been produced by thermal decomposition of a ferrocene - xylene mixture under different temperatures and different catalysts in an ar ( or n2 ) / h2 atmosphere
結合透射電鏡、掃描電鏡及拉曼光譜,系統地研究了以鈷二茂鐵為催化劑時不同溫度下、以及在860時,分別以鈷二茂鐵、鎳二茂鐵、鈷、鎳鈷不同催化劑、不同保護氣體對高溫熱解法制備的多壁碳納米管結構、產率等的影響,對產物的形態、結構進行分析。In this thesis, pvc / organoclay nanocomposites were synthesized by in - situ intercalation and melt - blending intercaltion. the structure and properties of the composites were investigated. furthermore, some factors, such as special synthesis method, the different clay surface modifiers and the molecular weight of the polymer matrix which can be affect the intercalation results, were discussed
本文分別通過原位插層法和熔融插層法制備了聚氯乙烯粘土納米復合材料,通過插層結構和復合材料性能的對比,得出一系列有意義的結論;並研究了粘土表面修飾劑、插層方法以及樹脂基體分子量對插層結構的影響。分享友人