reaction by-product 中文意思是什麼

reaction by-product 解釋
反應副產品
  • 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】...
  • by : adv 1 在側,在旁,在附近。2 (擱)在一邊,(放)到旁邊,(存)在一旁;收著。3 (由旁邊)經過,過...
  • product : n. 1. 產物,產品;製品;產量;出產。2. 結果,成果。3. 創作,作品。4. 【化學】生成物;【數學】積,乘積。
  1. In this study, iltv - nm98a strain and iltv - wanggang strain were multiplied in chorioallantois. a pair of primers were devised according to the nucleic acid sequence of iltv tk gene and the dna of multiplied virus was used as pattern to amplify the gene of tk by polymerase chain reaction ( pcr ). the product of pcr was linked with suitable plasmid. then, the recombined plasmid was converted to escherichia coli. the converted escherichia coli

    根據已發表的iltvtk基因的核苷酸序列設計一對pcr引物,以增殖的兩株iltv的dna為模板,分別對它們的tk基因進行pcr擴增。將回收的pcr產物連接到適當的質粒載體上,轉化感受態大腸桿菌,通過篩選對iltvtk基因的陽性克隆進行擴增培養。
  2. The reaction is endothermic and takes place at atmospheric pressure and 25 - 37 degree centigrade, and generates methyl or ethyl esters biodiesel and crude glycerin as by - product

    該反應是吸熱反應,在大氣壓力和25 - 37攝氏度氣溫下反應,產生的副產品有甲基乙荃酯生物柴油和天然甘油。
  3. Silicone polyesters resins are the reaction product of organo - siloxane intermediates and a suitable polyester resin intermediate ( typically characterized by the absence of drying oils )

    硅改性聚酯樹脂是有機硅氧烷和相應的聚酯樹脂中間產物反應而得到的產品。
  4. Dig labeled probe hybridization with solid pcr product was performed as well as electrophoresis of liquid product, this method combines rna purification, pcr amplification and nucleotide probe hybridization detection together and has many advantages including better rna purity, less time consumption, reliable positive reaction and 10 times sensitivity as rt - pcr gel running detection, reduce false positive result, unpurified nucleotide requirement, loug infected plant organism can be detected by solid hybridization

    2 )結果可靠,雜交特異性誘捕目的片段,同時去除了核酸中存在的pcr抑制物質,減少了因核酸提取不純造成的漏檢現象,結果輸出通過雙重判定保證了結果的可靠性。 3 )靈敏度高,通過雜交進行結果判定,靈敏度比傳統的rt干cr大約高10倍。
  5. 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。
  6. Structure determination of by - product in grignard reaction for preparing mifepristone derivatives

    米非司酮衍生物制備中格氏反應副產物的結構鑒定
  7. The intrinsic chemical reaction rate constant was insensitive to the precursor and the calcinations history of cao, but the product layer diffusivity was affected by these two factors in the initial stage and decreased to a constant value with increasing conversion of cao

    化學反應速率常數不受氧化鈣的先驅物與其鍛燒程序所影響,但產物層擴散系數在初始階段則受到上述兩因素的影響,並隨著氧化鈣的轉化而減少至一定值。
  8. 2. cloning of structural genes of bacillus subtilis bio operon diluted the genomic dna of bacillus subtilis as the template, long pcr product ( 10. 3kb ) and three salvage pcr products were separately gained by optimization of reaction conditions of pcr

    枯草桿菌生物素操縱子基因的克隆將枯草桿菌基因組dna稀釋后,通過pcr反應條件的優化,分別擴增得到了生物素操縱子基因的長距離pcr產物( 10 . 3kb )和3個分段pcr產物。
  9. In fact, browning by ppo is not always an undesirable reaction ; the familiar brown color of tea, coffee and cocoa is developed by ppo enzymatic browning during product processing

    事實上,多酚氧化酶的褐色化反應並非總是多餘的:茶、咖啡和可可常見的暗色調,就是在產品加工處理期間,通過多酚氧化酶的褐色化反應添加上去的。
  10. The results of the study on the processes of precipitation and the followed calcination indicated that the shape and size of the precursor influenced the product obviously. the precursors with shapes of bar or lamellar were obtained by controlling the reaction conditions, and accordingly, the product of nano - zno with different shape and size could be obtained

    對該法的沉澱反應和焙燒反應進行了研究,通過控制沉澱反應的工藝參數,可以得到不同尺寸的條狀和片狀前驅物,並對其進行了研究和分析;再經過對焙燒反應參數的調控,可以得到不同形態和尺寸的納米級氧化鋅,如球狀、網狀和棒狀。
  11. To determine influence of technical conditions on product diameter, the influences of concentrations, molar ratio, reaction temperature and time on average size were investigated by means of uniform design. the results of experiments indicated that product diameter was mostly influenced by reaction temperature, followed by molar ratio of reactant, concentration of reactants, and reaction time. the optimum conditions were c ( co ( no3 ) 2 6h2o ) = 0. 35mol / l, n ( co ( nh2 ) 2 ) : n ( co ( no3 ) 2 6h2o ) = 3. 53 : 1, reaction temperature 94 and reaction time 3. 53h

    以產物的平均粒徑( nm )為優化指標,選擇硝酸鈷濃度、反應物摩爾比、反應溫度和反應時間四個因素,運用均勻試驗設計技術進行3 ~ 5 1 ~ 3因素優化試驗,發現反應溫度對產物的粒徑影響最大,其次分別為反應物摩爾比、硝酸鈷濃度以及反應時間,並確定最佳反應條件為:硝酸鈷濃度0 . 35mol l ,反應物摩爾比為3 . 53 : 1 ,反應溫度94 ,反應時間3 . 53h ,預報值粒徑y _ 1 = 19 . 57nm ,在此優化條件下制得的納米co _ 3o _ 4平均粒徑為22nm 。
  12. The reaction kinetics of the sorbent with so2 was well described by the surface coverage model, which assumes that the sulfation rate is controlled by the chemical reaction on the sorbent grain surface and takes into account the surface covered by the product

    吸收劑與二氧化硫的反應可用表面覆蓋模式很好地描述;該模式假設吸收劑晶粒表面之化學反應為速率控制步驟,並且考量被產物覆蓋的表面積。
  13. Feedback inhibition the inhibition of the activity of an enzyme ( often the first ) in a multienzyme reaction sequence by the product of that sequence

    反饋抑制:在多酶反應體系中,反應的最終產物抑制最初反應酶的活性(通常是第一個酶) 。
  14. Ps - mpm was prepared by improved microsuspension polymerization. product structure, particle size and magnetic properties, were characterized and the reaction mechanism was analyzed. such influencing factors as the indissoluble assistant, the dispersant agent, the surfactants, the amount of initiator and the stirring speed were surveyed

    本文採用了一種難溶助劑,用改進了的微懸浮聚合法制備出了聚苯乙烯磁性高分子微球,對產物進行了結構、粒徑、磁性能的表徵,分析了反應機理,並探討了難溶助劑、分散劑、表面活性劑、引發劑用量、攪拌速度等因素對磁性高分子微球性能的影響。
  15. In order to research systematically the kinetics of the redox reaction between tbh and np ( vi ), the main contents of the work in this paper are as follows. ( 1 ) tbh is synthesized by direct alkylization in chsoh media. the structure and composition of the product are characterized by elemental analysis, uv - vis spectrum, ir spectrum, ms spectrum and nmr spectrum respectively

    為深入系統的研究特丁基肼還原np ( )的動力學,為后處理工藝流程提供實驗和理論依據,本文研究了以下內容: ( 1 )以甲醇為溶劑,用直接烷基化的方法合成了特丁基肼,並通過元素分析、紫外光譜、紅外光譜、質譜、核磁共振譜等手段對產品進行表徵。
  16. The results showed that its yield was inversely proportional to the concentration of - amylase and reaction time when the maize starch was hydrolyzed by - amylase ; the granular maize starch was converted into hollow - porous starch by ct - amylase, furthermore it was cracked to the fragments, it was discovered that there were laminated growth ring structure inside starch granular shown on such cracked granular fragments ; the crystallinity of maize starch granule can not he increased by the enzyme hydrolysis ; the thermodynamic stability of the product was reduced when the hydrolysis time was long

    檢測結果表明, -澱粉酶催化水解玉米澱粉時,其收率與酶的濃度和反應時間成反比;顆粒狀玉米澱粉發生酶催化水解時, -澱粉酶首先使澱粉形成多孔狀結構,並進一步使顆粒破裂,斷裂的顆粒碎片上顯示出澱粉顆粒內部具有層狀的生長環結構;酶催化水解不能提高玉米澱粉顆粒的結晶度;酶解時間較長時,產品的熱穩定性降低。
  17. Liquid sodium hypochlorite bleach is made by combining chlorine with a solution of sodium hydroxide to produce sodium hypochlorite, sodium chloride and water. the sodium chloride is a by - product of the chemical reaction and remains in the solution as an inactive ingredient

    使用以上的含氯漂白劑漂白后,一定要脫氯處理,不然的話,氯殘留在纖維中時,經過一段時間后,漸漸的纖維會變脆化及變黃。
  18. In view of process technology of potassium sulfate by neutralizing potassium hydrogen sulfate with ammonia, the effects of mole ratio of potassium chloride to sulfuric acid, reaction temperature and reaction time on preparation of middle product potassium hydrogen sulfate have been studied in aqueous solution

    針對硫酸氫鉀用氨中和制備硫酸鉀的生產工藝,研究了水溶液中氯化鉀和硫酸反應的原料配比、反應溫度、反應時間等因素對制得的中間產品硫酸氫鉀影響。
  19. Used long pcr primers as sequencing primer, the two sides of sequence of the long pcr product were separately sequenced one reaction by the direct sequencing method of pcr products, and the sequencing sequence were carried on constrasted analysis with sequence of 168 strain in genebank

    一2片段克隆質粒為模板,採用skippcr方法,得到了約4 . 3kb產物,以ta克隆方式,插入pgem一t載體中。將經鑒定的陽性克隆質粒進行測序,結果表明: biob與biol基因間的5lbp的終止子序列已被刪除。
  20. But during the process of in situ reaction, in addition to the reinforced phase, composite will exit the other by - product ( such as fragility phase alsti and al4c3 ), mean while, it is difficult to control the volume fraction of tic particles accurately, and lead to poor stability of material property

    但是目前在原位反應時,除了所預計生成的增強體外,仍會生成其它副反應夾雜物(即脆性相al _ 3ti和al _ 4c _ 3的生成) ,同時對增強體tic顆粒的體積分數也難以精確控制,因而影響材料質量的穩定性。
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