h-h reaction 中文意思是什麼

h-h reaction 解釋
氫氫反應
  • h : = 【電學】 henry; 【化學】 hydrogen; 【物理學】磁場密度 (intensity of magnetic field) 地磁水平...
  • reaction : n 1 反作用,反應;反沖;反動力。2 【政治學】反動,倒退;復古(運動)。3 【化學】反應,【物理學】...
  1. Detection of h. pylori in gastric mucosa, gastric juice and saliva in children with polymerase chain reaction

    技術在兒童幽門螺桿菌感染中的應用
  2. The effort of manganese removal was studied and the kinetics of manganese removal was tried to establish. the factors of dissolved oxygen concentration, fe2 + concentration, ph, p concentration and closing of the filter were studied to evaluate their effort for biological manganese removal, and the correlation of residual manganese and oxidation - reduction potential was also discussed. as the iron content of water was high, experiment results showed that the reaction was zero order, as the iron content of water was low, the reaction was first order. the time needed for the cultivation of biological manganese removal was 60 70 days. the filter operated at the filtration rate of 8 10m / h, silica sand of effective size 0. 95 1. 25mm filled the filter to a depth of 1200mm

    試驗結果表明,成熟后濾砂表面濾膜的x射線衍射圖譜與mno _ x ? 5h _ 2o ( x = 1 . 86 )的x射線衍射圖譜一樣,濾膜成熟后的結構在進水物質不發生變化的情況下不發生變化;合適的碳磷比對生物除錳有明顯的促進作用,試驗條件下的投磷量不會對出水造成二次污染;生物除錳需要亞鐵的參與,亞鐵的存在除了能夠促進微生物分泌胞外酶並刺激其活性外,還通過鐵離子的變價傳遞電子,催化錳離子的氧化反應,從而促進對二價錳的降解。
  3. Total cellular rna were extracted, 40 micrograms of the total rna were used in the reverse transcription reaction, using superscript ii reverse transcriptase, oligo ( dt ) i8 primers, and cy3 - dctp or cy5 - dctp for the experimental and control group respectively. the labeled cdnas were hybridized to microarrays at 42c for 12 h - 18 h

    提取as _ 2o _ 3作用k562細胞前後的總rna ,用superscript逆轉錄酶逆轉錄成cdna第一鏈,並在逆轉錄的過程中,用cy3 cy5熒光染料分別標記對照組處理組,與自製的k562細胞基因表達譜晶元雜交。
  4. We utilized microarray and real - time quantitatie polymerase chain reaction ( pcr ) to identify genes differentially expressed at 6 h reperfusion in periinfarct cortex from castrated rats with or without dht replacement

    我們利用微點陣和實時定量pcr方法在再灌注6小時時,對進行/未進行dht替代的閹割大鼠梗死周圍皮層的基因差異表達進行了鑒定。
  5. We utilized microarray and real - time quantitative polymerase chain reaction ( pcr ) to identify genes differentially expressed at 6 h reperfusion in periinfarct cortex from castrated rats with or without dht replacement

    我們利用微點陣和實時定量pcr方法在再灌注6小時時,對進行/未進行dht替代的閹割大鼠梗死周圍皮層的基因差異表達進行了鑒定。
  6. Using different combinations of the nucleon density distributions of the ground state of 6he and the second excited state of 6li with and without the halo, we have calculated the microscopic optical potentials of the input and output channels, and, with these potentials, calculated the angular distribution of the " h ( he, li ) n reaction populating the second excited states of 6li by using a dwba code

    我們用假定的~ 6he基態和~ 6li第二激發態有暈和無暈的各種核子密度分佈的組合分別計算了入射道和出射道的微觀光學勢並將其輸入通用的dwba核反應程序計算了~ 1h ( ~ 6he , ~ 6li ) n反應布居~ 6li第二激發態的角分佈。
  7. The 1999 nobel prize in chemistry was rewarded for professor ahmed h. zewail, california institute of technology, pasadena, usa for his studied of the transition states of chemical reaction using femtosecond spectroscopy. his pioneering investigation of fundamental chemical reactions, using ultra - short laser flashes, on the time - scale on which the reactions actually occur, and the development of femtochemistry are introduced

    介紹了1999年諾貝爾化學獎得主哈邁德.澤維爾教授採用激光技術研究超快化學反應,特別是對飛秒化學所作的先驅性研究以及飛秒化學的產生與發展。
  8. Nonpolar solvent with little dielectric constant has good effect to the rate of the reaction, while larger polar solvent without h ( superscript + ) also can increase the rate of the reaction

    可以知道對甲醇羰基化這一反應,在極性溶劑中,極性較大且為非質子型的溶濟能顯著提高反應的速率;非極性溶劑中,介電常數較小的溶劑能增加反應速率。
  9. Purpose 1 construction of prokaryotic high expression vector of human platelet factor 4 ( h pf4 ) 2 expression and purification of r h pf4 3 bioassay of r h pf4 methods according to the modulation character of eukaryotic protein expression in prokaryotic cells, we design a pair of particular primers, and construct a prokaryotic expression vector pbv220 - r hpf4 by dna polymerase chain reaction ( pcr ) and dna recombinant technic. the expression plasmid was identified with pcr and dna sequencing. pbv220 - r hpf4 was transformed into e. coli dh5a, bl21 ( de3 ) and induced by increasing the temperature to 42. we identified the expression protein by sds - page and western - blotting

    目的1人血小板因子4 ( hpf4 )原核高效表達克隆的構建2重組hpf4的表達及分離、純化工藝研究3重組hpf4的特性研究方法根據原核細胞表達真核蛋白的基因表達調控特點,設計合成一對特異引物,在pt7 - 7 - rpf4表達質粒的基礎上,應用聚合酶鏈式反應( pcr )對其cdna進行改造,通過dna重組技術構建成重組hpf4原核表達質粒pbv220 - rhpf4 ,用快速pcr檢測法、 dna測序分析,鑒定重組hpf4表達質粒的正確性。
  10. Western - blotting result demostrated rhpf4 had specific reaction with rabbit anti - hpf4 antibody. our system improve the expression level of r hpf4 by 80 fold compared with pt7 - 7 - r hpf4. after purified and renatured, r hpf4 prepared by our methods has bioactivity like wide hpf4. our study establish a stable base for further reseach of the h pf4 and provide a theoretics gist for modulative mechanism of eukaryotic protein expression in prokaryotic cells

    我們構建的rhpn原核高效表達系統經m page及凝膠密度掃描分析結果表明, rhpf4表達量占菌體總蛋白量的25 30 ,較原表達克隆pt7 7 rhpf4提高了近80倍,經快速高效的包涵體分高純化工藝和復性工藝, rhpf4具有野生蛋白活性。
  11. Except the asphaltenes, the other 4 part was given to the gc / ms. h ) comparison of gas contents and flow rate before and after the catalytic cracking reaction ; i ) the energy cost of the catalytic cracking ; after the exper

    在此基礎上,結合熱裂解和催化裂解的反應理論解釋了生物質焦油的催化裂解原理,同時分析了催化裂解和熱裂解前後氣體成份和含量的變化。
  12. Now the svrt model is applied to study the reaction of h + cd4 hd + cd3 in four mathematical dimensions. in the svrt model, the target molecule is treated as a simirigid rotor composed of two rigid parts. the two rigid parts can exercise only one dimensional relative motion along the coordinate connecting the center - of - mass of the two parts

    半剛性振轉靶( svrt )模型把參加反應的多原子分子處理為兩個基本的剛體,這兩個剛性部分能沿通過它們質心的直線做一維振動,另外它還象一個剛性轉子一樣在3維空間中運動。
  13. Meanwhile, the reaction conditions for synthesis of propaphos, such as reaction temperature, reaction time, molar ratio of reactant were investigated, and the optimal one were found as the following : molar ratio of 4 - ( methylthio ) phenol, phosphite and sodium hydroxide 1 : 1. 4 : 2. 3, reaction temperature 70, reaction time 2 h

    同時,較系統地考察了高選擇性有機磷殺蟲、殺菌劑丙蟲磷的合成的工藝條件如反應溫度、反應時間、縛酸劑種類以及縛酸劑的用量。
  14. Experimentation design of chemical oscillating reaction of acetyl - acetone - mn2 - bro3 - h

    體系化學振蕩反應的研究性實驗設計
  15. In this paper, the author introduces another experimental research on dpf regeneration, which has been conducted by spraying h2o2 into the filter. it features that the temperature at which the soot oxidizes properly by the reaction between carbon and highly active radical species generated from h _ 2o _ 2 become much lower

    本文採用了一種新的方法對柴油機微粒過濾器的再生進行了試驗研究,即利用h _ 2o _ 2分解產生的活性基團和碳煙進行反應,從而在較低的溫度下將碳煙燒掉。
  16. Metal - carbene ; c - h insertion ; synthesis ; reaction mechanism

    金屬卡賓c - h插入反應合成反應機理
  17. To isolate hfl -, hf2 gene encoding flavonoid - 3 ', 5 ' - hydroxylase ( f3 ', 5 ' h ) from petunia hybrida of the purple flower, we used a polymerase chain reaction ( pcr ) amplification using the genomic dna as a template. the result indicated that the hfl dna was 2797bp in total length and encoded 506 amino - acid, containing three extron and two intron ; hf2 dna was 2223bp in total length and encoded 509 amino - acid, containing three extron and two intron. comparison of the sequence with genbank databases revealed that hfl dna and hf2 dna shared significant nucleotides identity ( 98. 97 % and 99. 04 % respectively ) and amino - acid identity ( 99. 41 % and 99. 41 % respectively )

    Hf1dna全長2797bp ,包括3個外顯子, 2個內含子,其中一個開放閱讀框架( orf )編碼506個氨基酸,與文獻報道的序列相比較,具有98 . 97核苷酸同源性與99 . 41氨基酸同源性: hf2dna全長2223bp ,包括3個外顯子, 2個內含子,其中一個開放閱讀框架( orf )編碼509個氨基酸,與文獻報道的核苷酸同源率為99 . 04以及氨基酸同源率為99 . 41 。
  18. " hydrolysis : chemical reaction in which water ( h2o or hoh ) and another reactant exchange functional groups to form two products, one containing the h and the other the oh.

    水解:一種化學反應,其中水與另一個反應物交換官能團而形成兩個產物,一個含h ,另一個含oh 。
  19. Some microscopic theoretical analysis indicates the branching ratio of the transitions near zero degree is not sensitive to the halo structure. the complete angular distribution of the " h ( 6he, 6li ) n reaction has to be measured to reveal the halo structure of the second exited state of 6li

    有的微觀理論分析表明, 0附近的該躍遷強度比對是否存在暈結構不敏感,要想揭示~ 6li第二激發態的暈結構,應該測量~ 1h ( ~ 6he , ~ 6li ) n反應完整的角分佈。
  20. In this paper, the kaolinite / polyacrylamide intercalation compound was prepared first by the displacement reaction of kaolinite / formamide intercalation precursor with acrylamide, and then the in - situ polymerization of acrylamide. the kaolinite structure and the intercalation mechanism were discussed by the techniques of powder x - ray diffraction analysis, * h mas nmr, raman, and ir spectra

    本文以甲酰胺為前驅劑、丙烯酰胺為取代劑,採用插層-取代-原位聚合的方法制備高嶺石有機插層復合物,用x射線衍射、 ~ 1hmasnmr 、 raman 、 ir等技術研究了插層復合物結構特徵和插層反應機理。
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