近點反應 的英文怎麼說

中文拼音 [jìndiǎnfǎnyīng]
近點反應 英文
near point reaction
  • 近 : Ⅰ形容詞1 （空間或時間距離短） near; close 2 （接近） approaching; approximately; close to 3 （親...
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 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 solve the problems with heavy turpentine, such as complex constituents, vicinal boiling point, difficult to separation and hard to comprehensive utilization, the - santalene was converted to natural structure similar product - santalol by light - oxidize reaction, and caryophyllene epoxide was obtained at the same time

    摘要為了解決重質松節油組成復雜、沸點相近導致分離困難、難以深加工綜合利用等問題，利用光氧化反應技術，將其中的-檀香烯轉化為與天然-檀香醇結構相似的檀香型新香料-檀香烯醇，同時可得到環氧石竹烯。
  2. Membrane bioreactors have some advantages of saving resources, environmental protection and clean production in bioconversion of organic compounds, and have already become one of the hot research fields these years

    摘要膜生物反應器可用於有機化合物生物轉化，在強調資源節約、環境友好和清潔化生產技術的今天，顯示出一些特別的優點，近年來已成為熱門的研究領域。
  3. Studied the liquid - phase synthesis of butyl acetate from n - butyl alcohol and acetic acid using the supported heteropoly blue as catalyst. examed several factors imposing on esterification. the results revealed : using this catalyst, the reactions conversion percentage reaches nearly 100 %, product yield is 98. 9 %, selectivity is 98. 9 %. reusing it 10 times, the efficiency is still well. in addition, using this catalyst, the reactions temperature is mild, the reaction time is short and the equipment hasnt any erosion. furthermore, there is no “ threewastesdischarge

    對以負載型雜多藍為催化劑的乙酸與正丁醇的液相酯化反應進行了研究.考察了影響酯化反應的因素.結果表明：以負載型雜多藍為催化劑，酯化反應轉化率接近100 % ，收率可達98 . 9 % ，選擇性為98 . 9 % ，重復使用10次催化效果仍好.該催化劑還有反應條件溫和、反應時間短、對設備無腐蝕、無三廢排放等優點
  4. The maximum set point reference for the reactor temperature is a couple of degrees below the solubility temperature related to the last density measurement of the product in the reactor from the labs

    反應器溫度的最高設定點參考值為比反應器中產品在化驗室的最近密度測量值對應的溶解溫度低幾度。
  5. Since the magic number 28, which is the first that requires the introduction of a strong spin - orbit interaction belongs to the if2p shell in the nuclear shell model. so the nuclei in the if2p shell have been a research hotspot in nuclear physics. the doubly odd nucleus 64cu which is also in the if2p shell has been the subject of many experimental investigations previously via various type of nuclear reaction such as 64ni ( p, ny ) and its excitation leveles have been already studied to about 8 mev

    放射性核素~ （ 64 ） cu是奇奇核，屬於1f 、 2p殼層，而在原子核殼模型中，第一個需要引入強自旋-軌道藕合才能出現的幻數就在1f 、 2p ? ?殼層，因此if 、 zp殼層一直是核物理領域的研究熱點，近三、四十年來使用了各種不同類型核反應例如『 4ni … ， fly ）等反應，對『 ll激發態性質進行了廣泛的研究，其激發能級已到了smev左右。
  6. Dna electrochemical biosensors have received much attention due to the high sensitivity, specific, rapid response, easy handling, compatibility with miniaturization technology, and low cost

    Dna電化學生物傳感器具有dna雜交反應高度的特異性，又具有電化學傳感器靈敏度高、響應快、操作簡便、微型化、價格低廉等顯著優點，成為近年國內外研究熱點。
  7. Recent progress in indium ( iii ) compounds promoted organic reactions and their application in organic synthesis is reviewed in this paper, in which special efforts have been given to carbon - carbon and carbon - heteroatom bond formation reactions

    摘要綜述了近年來三價銦化合物促進的多種有機反應及其在有機合成中的應用，其中重點討論了三價銦化合物促進下的碳碳鍵和碳雜原子鍵的形成反應。
  8. The results from sds - page presented that there were three female specific protein subunits with molecular weights of 123 kd, 120 kd and 91 kd, respectively. we can conclude the higher molecular compose of two subunits ; the results from two dimension electrophoresis showed the isoelectric points of two female - specific spots with molecular weight of about 120kd were 5. 5 and 5. 7. immunodiffusion reactions demonstrated that vg existed both in female fat body and hemolymph, which as vn was deposited in the ovary, while not in the male

    Page電泳結果表明：麗蠅蛹集金小蜂明顯存在2條雌特異性帶-卵黃蛋白，分子量分別為181kd和136kd ； sds - page電泳分析：存在3條雌特異性帶，其分子量為123kd 、 120kd和91kd ，由此，可推定卵黃原蛋白（ vitellogenin ， vg ）和卵黃磷蛋白（ vitellin ， vn ）由2個蛋白組成，其中分子量較大的蛋白由2個亞基組成；雙向電泳結果顯示，在120kd附近有兩個特異性點，其等電點為5 . 5和5 . 7 ；雙擴散表明，麗蠅蛹集金小蜂卵黃磷蛋白的抗血清與雌隱成蟲蟲體、脂肪體、血淋巴和卵巢勻漿液均有免疫沉澱反應，而與雄蜂血淋巴無免疫反應，說明了vg與vn具有免疫同源性，是雌特異性蛋白，且由脂肪體合成。
  9. It is shown by structural seismic response of four wavelets that littlewood - paley wavelet is not suitable for structural seismic response, because structural response is too small, meyer wavelet is a better wavelet for structural seismic response, for it ' s structural response is agreement with the finite element method, and also harmonic wavelet, structural response under earthquake is a little bigger than finite element method, structural response under odd exponent wavelet is also bigger than finite element method, this method is very simple by wavelet transform, wavelet transform method is different from old methods, one is with which not only knows the effects of earthquake wave detail frequency - band on structural response, but also considers earthquake wave ' s non - stationary of frequency and time - domain value, another is the second mode shape and higher mode shape response that do n ' t attenuate so fast

    通過對這四種小波的結構地震反應分析研究說明： littlewood ? paley小波不適合於用來作結構地震反應分析，因為在littlewood ? paley小波下的結構地震反應太小，不符合實際情況；用meyer小波作結構地震反應分析比較合適，和有限元法的結果比較接近；也可以用諧波小波來作結構地震反應分析，只是在諧波小波下的結果略為偏大；單邊指數小波下的結構地震反應分析比有限元法稍大一點，它通過小波變換大大簡化了結構地震反應分析。用小波變換方法來進行結構地震反應分析和以往方法不同的是：它不僅可以知道地震波的具體頻率段對結構反應的影響，而且同時考慮了地震波的幅值非平穩性以及頻率非平穩性；另外與以前方法得到的結果有差異的是，第二振型及以後的高一點的振型的反應沒有以前的方法衰減得快。
  10. Recent years, the using of piezoelectric sensors becomes a focus in novel biosensors research. the basic principle is that the characters of its oscillation are highly responded with the changes of the surface mass adsorption, or the physic characters in the reaction system including density, viscosity, conductivity and so on. a piezoelectric biosensor with a nanogram sensitivity could be constructed through a reasonable biological processing and structure designing to the piezoelectric quartz crystal

    近年來，壓電傳感器檢測技術逐漸成為生物分析中的研究熱點，其基本原理是利用石英晶體振蕩特性對石英晶體表面質量負載（質量效應）和反應體系物理性狀如密度、粘度、電導率（非質量效應）等的改變具有高度敏感的特性，通過對石英晶體進行適當的生物學處理和結構設計，構建出具有具有ng級檢測能力的生物傳感器。
  11. 3 the thesis adopts subarea principle, exerts delphy to accept or reject repeat index elected, and finally establishes farmland appraisal index system of outskirts hill chongqing. 4 the thesis manages ahp and dsr to demonstrate system with bishan of representative outskirts hill county chongqing as a sample

    4以重慶市典型的近郊丘陵縣? ?璧山縣為體系論證樣點，運用層次分析法和「推動力?狀態?反應」法對建立的指標體系進行論證，結果表明，體系的建立具有較強的科學性，符合重慶市近郊丘陵區的實際。
  12. Withal, basing on study on the domestic and foreign farmland appraisal, on introduction land resource use trait in outskirts hill chongqing, the thesis introduces firstly international all - purpose five principles of sustainable land use management, exerts delphy to accept or reject repeat index elected, manages ahp and dsr to demonstrate system with bishan of representative outskirts hill county chongqing as a sample, studies on farmland appraisal index system of outskirts hill chongqing, and looks forwards to favoring farmland appraisal work of chongqing and doing indeed southward hill zone. the central conclusion as follows : 1 in the background of town land appraisal constantly perfect in our country, the cultivated land value management, as the part of land market, is more and more important

    對此，本文在分析國內外農用地分等定級研究的基礎上，通過對重慶市近郊丘陵區土地資源利用特點的詳細介紹，引入國際上通用的持續土地利用管理的五大原則的基本框架，運用特爾斐法對所選指標進行多輪取捨，結合層次分析法、 「推動力?狀態?反應」法等數學方法，以重慶市典型的近郊丘陵縣? ?璧山縣為體系論證樣點進行體系論證，就重慶市近郊丘陵區農用地分等定級指標體系作以研究，以期對重慶市乃至南方丘陵地帶農用地分等定級工作的開展有所裨益。
  13. An algorithm for detecting moving ir point target in complex background is proposed, which is based on the reverse phase feature of neighborhood ( rpfn ) of target in difference between neighbor frame images that two positions of the target in the difference image are near and the gray values of them are close to in absolute value but with inverse sign. firstly, pairs of points with rpfn are detected in the difference image between neighbor frame images, with which a virtual vector graph is made, and then the moving point target can be detected by the vectors ' sequence cumulated in vector graphs. in addition, a theorem for the convergence of detection of target contrail by this algorithm is given and proved so as to afford a solid guarantee for practical applications of the algorithm proposed in this paper. finally, some simulation results with 1000 frames from 10 typical images in complex background show that moving point targets with snr not lower than 1. 5 can be detected effectively

    基於運動點目標在鄰幀差分圖像中所具有的近鄰反相特徵，即運動點目標的兩個位置相鄰近、灰度值一正一負，提出一種在復雜背景下，基於紅外序列圖像的運動點目標檢測演算法.本演算法利用該特徵在鄰幀差分圖像中檢測反相點對，進而構造反相點對矢量圖，最後依據累積反相點對矢量圖中多矢量首位相接的連續性檢測出運動的點目標.文中給出並證明應用本演算法能以概率1檢測到運動點目標的收斂性定理.對典型復雜背景下10幅1000幀圖像的模擬結果表明，當信噪比大於或等於1 . 5時，可以有效檢測出運動點目標
  14. Part one the studies of piezoelectric biosensors and detection of staphylococcal enterotoxins chapter one the progresses in piezoelectric biosensors and detection of staphylococcal enterotoxins section one the progresses in piezoelectric biosensors in this section, a review is reported with 69 references about the piezoelectric biosensors, including the principle and constitutes of pebs, the classification of pebs, surface modification technique in pebs and the application of pebs in immunoassay, detection of the gene and microorganism, coupling with other techniques, moreover, the development of pebs was involved

    引用參考文獻69篇。第二節金黃色葡萄球菌及其毒素檢測研究進展該部分內容主要介紹了在葡萄球菌分類與分型、金黃色葡萄球菌毒素學研究以及金黃色葡萄球菌及其毒素檢測等方面的研究進展，重點對金黃色葡萄球菌及其毒素檢測方法：生物學檢測方法、免疫血清學方法、聚合酶鏈反應技術、核酸雜交技術、生物傳感器技術和超抗原技術在近幾年的研究進展做了評述，引用文獻69篇。火nxia即。
  15. This is often achieved by the attraction of the reactants to the enzyme ' s active site, thus coming into closer proximity, or by the enzyme causing conformational or electrostatic changes in one or more of the reactants

    通過吸引反應物去酶的活化位點，繼而兩者相互靠近，從而使反應物的構象或靜電荷發生變化。
  16. If the inputted accelerations are velocity - zeroized and the damage value is calculated according to shear stress " extrema, as to 100 - meter - high earth dam, multi - point effect is not distinct ; but as to 240 - meter - high earth dam, in the part where permanent displacement and damage value is originally bigger the response is less tenser than that by one - point input, and in the part near basement the maximal shear stress and damage value is bigger, that is the multi - point effect in time domain

    若同時進行了多點地震動速度歸零化和採用基於極值的損傷值計算方法，對於100米高的土石壩，多點輸入與單點輸入反應十分接近。對於240米高的超大型土石壩，壩體內永久位移和損傷值較大的部位多點輸入的反應量較小，這是多點輸入反應的特點或說多點效應。另外，多點效應也包括壩基部位的最大動剪應力和損傷值偏大這一效應。
  17. Current studies on application of dense supercritical fluid as solvents for chemical and biochemical reactions are at the moment an interesting research topic

    摘要近來以超臨界流體作為反應介質是化學和生物化學反應研究的一個熱點。
  18. Electron transfer mediators are involved to circumvent these disadvantages. the mediators include ferrocene and its derivatives, potassium hexacyanoferrate and tetrathiafulvalene. water - soluble dyes such as methylene blue, neutral red, toluidine blue and methyl viologen have also been used as mediators in solution because of their high electron transfer efficiency and low cost

    近年來，第二代電流型酶傳感器以一些電子媒介體如二茂鐵及其衍生物等代替氧，加強了酶與電極間的直接電子傳輸，起到了酶與電極間的電子開閉器作用，加速了電極反應，降低了環境干擾，克服了第一代電流型傳感器的上述缺點。
  19. In the second section, by means of local bifurcation theories [ 17 ], we have proved the system generate bifurcation at the semi - trivial solutions ( uo, 0 ), ( 0, v0 ). furthermore, using stability theory [ 16 ] [ 17 ], we analyze the stability of the positive solutions near the bifurcating points and get ideal results

    川、 n吻）處出現正解分支，運用穩定性理論分析『卜nn並得到了分支點附近的正解的穩定性情況，成功的解決了反應擴散方程研究中的一個基本問題：平衡解的穩定性
  20. The nano - metred coating has been a key branch in the field of surface engineering. and the reactively formed nano - metred coatings called more interest in these years, due to their further improved properties

    納米塗層材料已成為表面工程研究領域的一個重要分支，而反應生成納米塗層材料由於具有更為優異的性能，成為近年來的研究熱點。
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