過氧基酸 的英文怎麼說

中文拼音 [guòyǎngsuān]
過氧基酸 英文
peroxo acid
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : 名詞[化學] (氣體元素) oxygen (o)
  • : 酸構詞成分。
  1. Using refined cotton, chloroacetic acid, sodium hydroxide and hydrogen peroxide as main feedstock, sodium carboxymethyl cellulose was made by the process of basification, etherification, abstersion and drying

    摘要以精製棉、氯乙、氫化鈉和化氫為原料,經堿化、醚化、洗滌、乾燥,制得羧甲纖維素鈉。
  2. Nitrous esters can react with alkyl peroxides to yield alkyl nitrates.

    亞硝酯與化烷反應,得到烷酯。
  3. According to the research of physiological and biochemical indicators or index, components of soluble proteins, substrate protein of phosphorylation and the activity of protein kinase in low - temperature stress in the leaves of brassica oleracea l., we tried to find the law of the physiological and biochemical response of brassica oleracea l. leaf to low temperature. at the same time, discussion on the signal transduction can also provide further evidences for revealing the mechanism of low - temperature stress. the results are showed as follows : malondialdehyde ( mda ), superoxide dismutase ( sod ), ascorbate peroxidase ( asp ) and peroxidase ( pod ) activities were changed greatly after 0 ~ 30min ' s treating with low temperature

    本文以甘藍葉片為材料,通對低溫5脅迫下甘藍生理生化指標、可溶性蛋白組分以及磷化底物蛋白、蛋白激酶活性的研究,以期找出甘藍葉片對低溫脅迫的生理生化響應規律,為甘藍露地越冬栽培防範寒害提供理論指導,同時對低溫脅迫下甘藍逆境信號傳導進行了探討,從而為徹底弄清低溫脅迫機理提供進一步的證據,研究的主要結果如下:丙二醛含量( mda ) 、超化物歧化酶( sod ) 、抗壞血化物酶( asp )和化物酶( pod )活性在低溫處理0 30min發生顯著變化,低溫處理3min后,甘藍葉片內mda含量本沒有變化,處理5min時出現第一個峰值,達到對照的104 . 10 , 10min出現低谷,僅為對照的86 . 27 ,隨后再次上升, 30min時超第一峰值,為對照的113 . 93 。
  4. 2 gene and had conservative amino acids of catalase

    2因具有45的同源性,具有化氫酶的保守氨
  5. The contents of this studies include : 1 ) according to the researches on the correlation between the function and structure of the cmiv from bombyx - moxi before by others, especially by lixinlal in naigin normal university of china, we have designed and sythesized the mutation i of the gene of cmiv that was different from the natural cmiv about 50 % in amino sequence, using the favorable condon of the ecoli. after cheked the result of synthesis by sequence, we have cloned the gene into 3 " of the gene of thioredoxin in the thio - fusion expression vector ( ptxfus ), and the fusion protein of thio - cmiv was highly expressed in soluble form

    本研究的內容包括:一、在前人對抗菌肽cmiv研究的礎上,對n端和c端進行氨保守變換,設計和合成了該因,充分使用大腸桿菌偏愛的密碼子,並將該因5端與硫還蛋白因3端融合,通ptxfus表達載體獲得較高可溶性表達(在15 sds - page膠上可見明顯的表達蛋白帶) 。
  6. In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased

    同時採用有機硅單體延遲滴加及添加水解抑制劑等技術,有效防止了-甲丙烯酰三甲硅烷在乳液聚合程中的渡水解及縮合反應,提高了聚合物大分子鏈中有機硅鏈節的含量;利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵,並通對共聚產物力學和吸水率的測試,證實了本研究所制備的有機硅改性丙烯酯共聚物具有比純丙烯酯聚合物更優良的力學及耐水性能;從分子設計角度出發,利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體: ?甲丙烯酰三乙硅烷和?甲丙烯酰三異丙硅烷;利用核磁共振對新型硅烷單體結構進行了證實;研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酯乳液,且其聚合產物具有較高的力學及耐水性能。
  7. The methods - three dimension fabric - enforced laminates, and sparse fabric - enforced laminates, layer - enforced laminates ? to enhance the interlaminar toughness of fabric - reinforced laminates were discussed in this paper. the stitching method to enhance interlaminar toughness of stitched - laminates was mainly discussed in this paper based on our research and experiment. the middle - alkali glass fabric used as enforced - material with thickness of 0. 2mm, 3 section 600 deniner kevlar yarn is used as stitching thread in this research, which improved lock stitching way and different kinds of stitching mode were adopted

    以提高層合板復合材料的層間斷裂韌性(能量釋放率)為目標,採用中堿玻璃布為增強材料,對疊層后的玻璃布,採用凱芙拉縫合線、改進的鎖型縫合方法、不同的縫合工藝進行了縫合;體採用的是不飽和樹脂,固化劑為化甲乙酮,促進劑為環烷鈷液;在室溫下採用真空輔助rtm ( resigntransfermolding )成型固化方法,製作了不同縫合工藝的玻璃布增強復合材料層合板。
  8. The compounds are prepared by the epoxidization of dinitrofluoromethyl olefins with peroxytrifluoroacetic acid.

    這種化合物,由二硝氟甲烯烴與化三氟醋進行環化反應而得到。
  9. Objective to study the effect of zinc - oxide phosphorate base on preventing hydrogen peroxide leakage in intracoronal bleaching

    摘要目的研究髓室內漂白時,磷鋅水門汀對抗化氫滲漏的作用。
  10. Thioredoxins, an ubiquitous small proteins with a redox active disulfide bridge in its conserved motif - cp ( g ) pc -, are universally distributed in eucaryote and procaryote and have a molecular mass of approximately 12kda. by its disulfide / dithiol interchange reaction, this protein can transmit the regulatory signals to seleted targets ( enzymes, transcription factors etc ) and plays an important role in many plant physiological processes that includes photosynthesis, dna synthesis, transcription, protein disulfide reduction, protein repair, filamentous phage assembly, cell apoptosis and seeds germinating and so on

    該蛋白質中含有保守的- cp ( g ) pc -氨活性序,該序中的兩個半胱氨可通二硫鍵的轉換實現其化還原狀態的變化和電子氫的傳遞,對細胞中與化還原相關的多種生理程的調節起重要作用。通同許多酶類、蛋白類、細胞內活性因子相藕連, trx能對光合作用、 dna復制、因轉錄、細胞凋亡和生長、噬菌體組裝、蛋白質的還原和修復信號傳導等生理程產生影響和調節。
  11. Results placement of a zinc oxide phosphorat protective base at cej level decreased hydrogen peroxide. penetration dramatically

    結果漂白前平齊釉牙骨質界水平制備磷鋅水門汀化氫漏量顯著減少。
  12. The waste products result from two processes the "wearing" of muscle tissue and oxidation of amino acids to obtain energy.

    廢物來自兩個程,肌肉組織的損耗以及為得到能量而進行的氨化。
  13. Soil microbial biomass carbon, microbial biomass nitrogen, soil basal respiration and metabolic quotient all showed a decreasing trend under more than 15 mg. kg - 1 cadmium or more than 200 mg. kg - 1 lead, respectively. soil dehydrogenase, urease and acid phosphotase activities have a significant decrease, and the activities of soil catalase and invertase taking sencond place, while soil protease activities showed stable state

    隨重金屬濃度增加,各指標下降幅度各有差別,其中微生物生物量碳、微生物生物量氮以及礎呼吸和微生物代謝商隨重金屬濃度增加而明顯下降;土壤脫氫酶、脲酶、性磷酶活性的下降幅度較為明顯,化氫酶、蔗糖酶活性次之,蛋白酶活性較為穩定。
  14. There are active correlation between protein content and the growth stage of teleogryllus derelictus gorochov during its larvae and adult peiod. there are active correlation between the content of amino acids except cystine during larvae period. there are active correlation between the content of fat, total fatty acid, palmitoleic acid, oleic acid, ve2, vc and the activity of catalase and the total growth stage of it

    蛋白質含量在若蟲和成蟲期與發育階段呈正相關,除胱氨外17種氨含量在若蟲期與發育階段呈正相關,脂肪、脂肪、脂肪中軟脂和油、 v _ ( b2 ) 、 v _ c的含量及化氫酶活力與發育階段呈正相關。
  15. Gas chromatography - mass spectrometry ( gc - ms ) analyses showed that both potassium permanganate and chlorine could oxidate the organic matters with unsaturated functional groups into those with carboxyl, hydroxyl and aldehyde. and it was further revealed that after preoxidation by potassium permanganate, the sorts of organic matters were reduced remarkably, however, chlorination leaded to increase of the sorts of orgnic matters and brought some chloro - organics such as chlorobenzene, chlorophenol, and trichloro - ethane

    色譜-質譜聯用( gc - ms )評價分析了高錳鉀和氯對有機物結構的改變,高錳鉀和氯均將原水中的一些不飽和性有機物化分解為一些含團的有機物,如羧類、醇類和醛等有機物,但預氯化會在水中出現一些鹵代物,鹵代產物不僅出現在苯環上,而且出現在鏈烴上。
  16. Providing nutritional supplementation such as essential vitamins, chelated minerals ( minerals wrapped in amino acids and have been specially processed to be absorbed effectively through the lining of the stomach ), antioxidants, metabolic conditioners and phytonutrients, which are in a form useable by your body, lifepak is an excellent source of over 20 essential nutriets

    如沛提供的營養補充成分包括了人體不可或缺的維生素、螫合化礦物質(系經專利製程,包覆在胺中的礦物質,可以通胃壁而被有效地吸收) 、抗化劑、新陳代謝調節劑、植物性營養素等,製成一種可以被人體利用的劑型,如沛是一項含有超20種以上營養素的優質營養供應源。
  17. Single - walled carbon nanotubes ( swnts ) were opened and oxidized in the concentrated h2so4 / hno3 mixture ( volume ratio : 3 : 1 ), hydroxyl groups could be brought into the swnts after oxidation modification treatment, and the long - chain silane coupling agent was grafted onto swnts via hydroxyl - silanol route

    摘要採用混體系(濃硫濃硝體積比為3 / 1 )對單壁碳納米管進行了化處理,並通化處理后在單壁碳納米管表面生成的羥官能團與長鏈硅烷偶聯劑進行反應,制備了表面有機修飾的單壁碳納米管。
  18. Abstract : aim to synthesize a new prodrug, resveratrol trinicotinate. methods in presence of lithium and a catalytic amount of naphthalene, the reaction of p - methoxybenzyl trimethylsilyl ether and 3, 5 - dimethoxylbenzaldehyde gave resveratrol after a series of translation. resveratrol trinicotinate was obtained by the reaction of resveratrol and nicotinoyl chloride hydrochloride. results a mutual prodrug resveratrol trinicotinate was designed and synthesized. conclusion a novel method for synthesis of resveratrol and resveratrol trinicotinate has been afforded. the e - isomer is selectivily obtained by dehydration of the compound 2 with khso4

    文摘:目的合成一種前藥白藜蘆醇煙酯.方法在金屬鋰片和催化量的萘的存在下, 3 , 5 -二甲苯甲醛與對甲苯甲醇的三甲硅醚反應經一系列轉變得到白藜蘆醇,白藜蘆醇與煙酰氯反應得到白藜蘆醇煙酯.結果設計併合成了白藜蘆醇煙酯.結論提供了一種合成白藜蘆醇及白藜蘆醇煙酯的方法,採用khso4脫水可選擇性的得到反式產物
  19. The basic approach of unsaturated fatty acid catalyzed and oxygened by enzyme, the preparation of lipoxygenase and production of hydroperoxides, the preparation of hydroperoxide lyase and cleaving of hydroperoxides were mostly discussed

    主要論述了不飽和脂肪酶催化化的本途徑,脂肪合酶的制備及氫化物的生成,裂解酶的制備及氫化物的裂解程。
  20. Photochemical smog also contains other compounds such as peroxyacyl nitrates and formaldehyde, which may cause eye irritation when the concentrations are high

    此外,光合化學煙霧含有其他成分,如?鹽類和甲醛。
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