極性反應 的英文怎麼說
中文拼音 [jíxìngfǎnyīng]
極性反應
英文
polar reaction- 極 : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 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...
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Activated charcoal is known to be an excellent catalyst for many reactions.
已知活性炭對很多反應是一種極好的催化劑。The he was strongly inhibited by sbti and apmsf, and very sensitive to pmsf, lbti, and tlck, while not sensitive to chymostatin, bestatin, leupeptin, tpck, pepstatin, nem and iam. all these results imply that brine shrimp he was most probably a trypsin - type serine protease. the he could be strongly inhibited by edta in a dose - dependent manner, and 50 mmol / l edta exhibited more than 56. 5 % inhibition
對孵化酶純化樣品進行生化性質和酶性質分析發現,鹵蟲孵化酶的最適反應溫度約為40 ,最適ph為8 . 5左右;該孵化酶對p - apmsf 、 sbti極為敏感,對pmsf 、 lbti和tlck也非常敏感,但對chymostatin 、 leupeptin 、 pepstatin 、 bestatin 、 tpck 、 nem和iam不敏感,表明該酶極可能是一種屬于胰蛋白酶類型的絲氨酸蛋白酶。Consequently, with increasing mmt content, the tensile strength and young ' s modulus of hdpe - g - aa / mmt nanocomposites increased, while that of hdpe / mmt composites decreased. moreover, the addition of mmt to hdpe - g - aa decreased the melting temperature and the degree of crystallization of the matrix. these changes may be attributed to high interfacial adhesion between hdpe - g - aa matrix and exfoliated clay, which reduces the mobility of crystallizable pe chain segments, and subsequently reduces the crystallization ability
研究結果表明: mmt在hdpe中不能達到納米級分散,而在hdpe - g - aa中, mmt能以插層型利剝離型的結構存在,這主要是由於極性的丙烯酸接枝在hdpe上提高了後者的極性,而且能與mmt上的活性基團進行化學反應,從而提高了pe鏈進入mmt層間的可能性,使mmt在基體中達到納米級分散。The investors " systematic behavioral deflections and demagogue behavioral deflections will cause the over - reaction and under - reaction of the securities " price, on the base of which the active investment strategies appear
投資者個體系統性偏差與投資者群體行為偏差會導致證券價格的反應過度與反應不足,從而為投資者帶來了獲取超額利潤的機會,積極的行為金融投資策略由此而產生。In this paper, the deconvolution ( and high - order - deconvolution ) electroanalysis theory totally controlled by electrode reaction rates was modified and its properties of polarographic wave was also discussed in detail
摘要本文提出了完全受電極反應速率控制的去卷積(包括高階去卷積)電化學分析理論,並對波形的性質進行了較詳細的討論。In order to strengthen the power of moral education, besides the distinctive subjects, proper teaching methods, various forms and the active feedback, we should pay more attention to the students " personality. according to this we can make the proper plan for the moral education and get the expectative effect
要增強德育活動的實效性,除了要有鮮明的主題、良好的方法、活潑的形式、積極的反饋之外,真正應該引起我們組織者注意的是要提高德育活動的針對性。The heat - reaction characteristics of ni / si and tin / ni / si structure and the regularity for forming the nisi film have been studied deeply and formed the excellent ni - salicide shallow junction diode
文中對ni si和tin ni si的熱反應特性以及nisi薄膜的形成規律進行了詳細的研究。制備了優質的ni硅化物淺結二極體。Liquid helium is inert, colorless, odorless, noncorrosive, extremely cold, and nonflammable. helium will not react with other elements or compounds under ordinary conditions
液態氦不活潑,無色,無嗅,無腐蝕性,溫度極低,不可燃。氦一般情況下不同其它元素或化合物反應。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。Three kinds of chemical reaction model are used to describe the chemical processes of downstream of detonation waves. the conditions that planar standing oblique detonation waves may occur and the factors that may affect them are discussed detailedly. the polar curves of oblique detonation waves and " standing window " are computed under different conditions
建立了平面駐定斜爆轟波特性分析的數學模型,採用三種化學反應模型來描述爆轟波后的化學反應過程,詳細分析了平面斜爆轟波的駐定條件及其影響因素,計算了不同條件下斜爆轟波的極曲線和「駐定窗口」 。The metabolism of these extreme microbes during the production of maotai liquor would further produce multiple enzymes of thermal stability such as amylase, protease, saccharifying enzyme, cellulose, glucase, xylanase, and each kind of dehydrase involved in redox reaction, and dna polyase etc
茅臺酒釀造過程中極端釀酒微生物代謝產生多種熱穩定性的酶,如澱粉酶、蛋白酶、糖化酶、纖維素酶、葡萄糖甘酶、木聚糖酶、參與氧化還原反應的各種脫氮酶、磷酸烯醇丙酮酸激酶及dna聚合酶等。Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account
依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復力特性及滯回曲線,斗?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,測定了殿堂木構架結構自振周期,地震反應振形、阻尼特性及阻尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。It is concluded that eth perform its action on gravitropism through the regulation of both iaa contents and iaa polar transportation
上述兩方面結果揭示:在向重力性反應中, eth是通過調節iaa的水平和iaa極性運輸兩種機制起作用的。So extremely probably, eth affects the gravitropism via auxin. in this case, such mutants might be used as the ideal model plants for the study of the closs - talk between eth and auxin
因此, eth有可能通過調控auxin這個中心因素來影響向重力性反應,這些乙烯突變體極可能成為研究eth對auxin作用的理想模式材料。A class of nonlinear singularly perturbed reaction diffusion problems with ultra parabolic limiting equations
一類超拋物型極限方程的非線性反應擴散問題In anaerobic environment containing srb, iron sulfide as depolarization reagent accelerated the depolarization of cathodic reaction, resulting the increase of anodic dissolution
在srb的厭氧環境中,由於硫化鐵作為陰極去極化劑加速了陰極去極化反應,從而使陽極溶解增加,導致其鈍性降低。This paper has described the principle of the contact polarization curve method and the technique for measuring basic parameters, analyzed the influence of such factors as oxidation conditions of the ore deposits, arrangement of electrodes and structures of orebodies on the basis of studying some typical polarization curves, inferred several parameters such as independency of orebodies, reacted minerals, effective areas of reacted minerals, reserves of elements and grades of elements for some measured typical curves, and compared the inferences with the exploration results
摘要介紹了接觸極化曲線法的原理及基本參數的測取方法;通過一些典型極化曲線,對礦床氧化狀態、電極排布、礦體結構等因素的影響作了分析;對所測得的部分典型曲線進行了礦體獨立性、反應礦物、反應礦物有效面積、元素儲量、元素品位等參數的推斷,並將推斷與勘探結果進行了對比分析。As for the other factors, such as marriage quality, medical expenditure, social support, negative life events, worry about children, employment, marriage state and occupation, each makes some significant contribution to distinguished aspects of swb in different degree ; and 3 ) the vulnerable women group in shanghai demonstrates the following characteristics in coping : though having paid active efforts to cope, they lack effective methods and necessary resources, resulting in poor coping effect and some of them show certain helplessness reaction when faced with stress ; and 4 ) except for the active problem - focused coping and positive reappraisal which do n ' t lead to the supposed positive effect, all the other coping strategies significantly influence their swb : helplessness reaction, escape and avoidance and self - inhibition decrease their swb, while seeking social support provide them with more social supports which increase their swb ; 5 ) the negative and positive effects of personality and some objective factors come into effect partly by increasing or decreasing their coping strategies
( 3 )上海城市弱勢婦女群體在應付上表現出這樣的特點:雖然付出了積極的應付努力,但缺乏有效的手段和必要的資源,應付效果不佳,並且有一部分婦女面對應激表現出一定程度的失助性反應。 ( 4 )除了針對問題主動應付及積極的認知再評價未表現出預期的積極作用外,其它幾種應付方式對她們的主觀幸福感均有顯著影響:失助性反應、逃避及自抑有明顯的消極作用,尋求社會支持通過使她們獲得更多社會支持而產生積極作用。 ( 5 )人格和某些客觀因素對她們主觀幸福感的消極或積極作用有一部分是通過使她們更多或更少地採取某些應付行為來實現的。For the ratio - dependent predator - prey, the limit cycle is obtained by the bifurcation theory
對于功能性反應為比率依賴型的捕食者-食餌模型,通過分支理論得到了極限環的存在性。As a new method of polymerization, electroless polymerization was introduced to form polyaniline film on substrate of any shape. in electroless polymerization, aniline molecules were oxidized to form pn film by soluble oxygen on the catalytic surface of pt or pd substrate without the supply of electric current. similar to the mechanism of electroless plating, electroless polymerization of aniline involves local and spontaneous electrochemical reactions on only substrate
提出了一種新的聚合方法無電聚合。在沒有外電流的情況下,溶液中的苯胺分子在具有催化活性的鉑或鈀基底表面上被溶解氧氧化為聚苯胺膜。與化學鍍的原理類似,苯胺的無電聚合反應過程包含陰極半反應和陽極半反應兩個電化學反應。分享友人