羧基氧 的英文怎麼說

中文拼音 [suōjīyǎng]
羧基氧 英文
carboxyl oxygen
  • 羧 : 名詞[化學] （羧基） carboxyl
  • 氧 : 名詞[化學] （氣體元素） oxygen （o）
  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、氯乙酸、氫氧化鈉和過氧化氫為原料，經過堿化、醚化、洗滌、乾燥，制得羧甲基纖維素鈉。
  2. These sites include, carboxyl, epoxy, amino and the like.

    這些部位包括羧基、羰基、環氧基和氨基等。
  3. Modified starch. determination of carboxyl group content of oxidized starch

    改性澱粉.氧化澱粉羧基含量的測定
  4. An one - pot process including direct condensation of ethyl isodehydracetate and hydrocitronellal, followed by decarboxylation, isomerization and isomer resolution, was developed for practical preparation of zr juvenile hormone analogue series with high content of effective component

    以異脫氫乙酸乙酯與甲氧基香茅醛直接縮合為起點，將縮合、脫羧、異構化、 （順、反）異構體拆分等採用多步反應連續一鍋法的操作方法，成功地得到高有效含量的zr型保幼激素類似物。
  5. Produces carboxymethyl cellulose, thiourea dioxide, cmc, tdo, sodium hydrosulfite

    羧甲基纖維素鈉二氧化硫脲保險粉
  6. The experiments showed that there also existed a parallel reaction between cca and so3 as well as an intercrossing reaction between caprolactam and nitrosyl sulfuric acid, except for the nitrosation of cca

    實驗證實了該過程伴有環己烷羧酸與三氧化硫作用的平行副反應以及己內酰胺與亞硝基硫酸作用的串聯副反應，由此提出了亞硝化過程的反應動力學模型。
  7. Abstract : researches on unformaldehyde unironing finishing are summarized in this paper. functions and deficiencies of glyoralamido, water soluble heat reactive polyure thane, bishydroxyethyl - sulfoue, natural high precision chitosan, reactive organosilicon, amyloidosis epoxide, multiple carboxyl acid compound are also analyzed and compared

    文摘:綜述了無甲醛免燙整理方面的研究，分析比較了乙二醛-酰胺類整理劑、水溶熱反應性聚氨酯、雙羥乙基碸、天然高聚物殼聚糖、反應性的有機硅、澱粉改性物、環氧類整理劑、多羧酸化合物等無甲醛抗皺整理劑的功能以及各種整理劑存在的不足
  8. An excellent adhesive was prepared from bismaleimide ( bmi ), epoxy resin ( e - 51 and tde - 85 ), 4, 4 ' - diaminodiphenyl sulfone ( dds ) in this thesis. the influence of liquid rubber and polymer ether imide ( pei ) on the properties ( especially high - temperature strength and the peeling strength ) were discussed, their different toughening characteristics and mechanisms were discussed. last, the process and effection of heat - resisted structural adhesive were studied by adhesive experiment of synchronizer in automobile. the results of investigation made clear : the adhesive, has good properties, especially heat - resisted properity

    根據材料分子設計的原理，研究了二苯甲烷雙馬來酰亞胺（ bmi ） 4 ， 4 』 ?二胺基二苯基碸（ dds ） e ? 51 tde ? 85組成的環氧膠粘劑體系，研究該體系在作為高溫結構膠粘劑使用時的粘接性能；然後研究了用無規羧基液體丁腈橡膠（ ctbn ? x ）和聚醚酰亞胺（ pei ）分別來增韌該體系的增韌效果；最後通過碳纖維耐磨材料與同步器圓錐環的粘接實驗，研究了耐高溫結構膠粘劑的粘接工藝和使用效果。
  9. A super acylation catalyst, 4 - dimethylamino pyridine ( dmap ), was prepared and used to synthesize cholesteryl ester compounds. four kinds of cholesteryl ester compounds such as cholesteryl p - alkoxyl benzoate, cholesteryl dicarboxylate, cholesteryl lumequeic ester and coattail - like cholesteryl ester were synthesized by acylation method and super acylation catalyst method. chemical structures and liquid crystal behaviors of the synthesized samples have been characterized by using element analysis, ftir, dsc and polarized microscopy with a hot stage

    本文合成了高效酰化催化劑4 -二甲基氨基吡啶（ 4 - dimethylaminopyridine ， dmap ） ，採用酰氯化法和高效酰化催化劑法分別合成了對烷氧基苯甲酸膽甾醇酯、對稱脂族二羧酸膽甾醇酯、烯酸膽甾醇酯及燕尾型膽甾醇酯四類膽甾醇酯衍生物，並進行了化學結構和液晶性能的表徵。
  10. The reaction pathways were proposed as follows : firstly, hydroxylation of aromatic ring, then ring cleavage forming dicarboxylic acid and eventually oxidation to inorganic carbon

    其機理為：首先是苯環羥基化，然後環破裂生成二元羧酸，最後二元羧酸氧化降解為二氧化碳和水。
  11. 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

    通過色譜-質譜聯用（ gc - ms ）評價分析了高錳酸鉀和氯對有機物結構的改變，高錳酸鉀和氯均將原水中的一些不飽和性有機物氧化分解為一些含氧基團的有機物，如羧酸類、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。
  12. The reduced level of cell - free rumen fluid had no significant effect on xylanase production, but had significant effect on the cmcase activity. without cell - free rumen fluid, the high concentration level of yeast extract could improve xylanase and cmcase production. in the third section, crude enzymes produced by anaerobic fungus a4 was extracted, and their characteristics of the crude enzyme was also investigated

    與基礎產酶培養基相比，降低培養基中無細胞瘤胃液濃度對厭氧真菌所產木聚糖酶的酶活及比活力無顯著影響（ p 0 . 05 ） ，但對其所產的羧甲基纖維素酶的酶活及比活力有顯著影響（ p 0 . 05 ） 。
  13. The studies expressed that the tensile - strength declined with the growth of dose rate after the radiation treatment, and at the same time, the gel content had extreme value with the change of the dose rate. the surface of uhmwpe fibers showed some irregular micro - pits and dents after radiation treatment, narnely rough degree increasing. their number and deepness increased with increase of dose. and this phenomenon is the most obvious when the dose rate was 8. 5kgy / s and the dose was 400kgy. at the same time some containing oxygen groups, including hydroxyl group, carbonyl group and carboxyl group, were introduced into the fiber surface which was exposed to the air

    研究表明， uhmwpe纖維經電子束輻照處理后，纖維的拉伸斷裂強度隨劑量率的增加呈下降趨勢，凝膠含量隨著劑量率的變化存在極值。纖維表面出現了不規則的微裂紋和凹痕，隨著劑量的增大，電子束對纖維表面的刻蝕程度增加，在本研究中以劑量為400kgy劑量率為8 . 5kgy s時刻蝕效應最為明顯。同時，在空氣中進行輻照時，纖維表面被引入了一些含氧基團，包括羥基、羰基和羧基。
  14. Effect of medium components on enzyme production and characterization of anaerobic fungal crude enzymes were also investigated. this thesis was described in the following three sections. in the first section, twelve anaerobic fungal strains isolated from rumen and faeces of ruminants were screened for xylanase and cmcase production

    本研究從黑白花種公牛、水牛、山羊糞樣及山羊瘤胃內容物中分離到12株厭氧真菌，並對其進行了產高活性羧甲基纖維素酶和木聚糖酶菌株的篩選，同時還就培養基主要組分對厭氧真菌產酶的影響和厭氧真菌的粗酶性質進行了研究。
  15. 4. the interaction between la3 + and mp - 11 would decrease in the intensity of the soret band and shift the band position, because of the strong coordination action of la3 + with o of the carboxyl group in the heme group and weak interaction of la3 + with o of the amido group in the peptide. the interaction also increases in the non - planarity of the heme group

    由於la ~ （ 3 + ）與血紅素上羧基氧o配位鍵合作用較強，而與多肽鏈上的酰氨氧o鍵合作用較弱，因此使mp - 11的soret帶吸收值下降，峰位紅移，血紅素環的非平面性增加。
  16. Three electrosynthesis methods of benzaldehyde and its derivatives are introduced in this paper, i. e., anodic oxidation of propenyl, hydroxyl and methyl of benzene rings, cathodic reduction of carboxyl of benzene rings, anodic substitution of methyl of benzene rings

    摘要本文介紹了苯甲醛系列化合物的三種電合成方法：苯環上丙烯基、羥基和甲基的陽極氧化，苯環上羧基的陰極還原，苯環上甲基的陽極取代。
  17. When change the component of adhesive its shear strength increased from 39. 3 mpa to 53. 5 mpa at room temperature and it have long - term usage at 180 with 25 mpa and can be served at 230 in short period. the addition of liquid rubber resulted in a 300 % increase in the peeling strength. the addition of polymer ether imide led to a 260 % increase in the peeling strength, a 15 % increase in shear strength and a 10 increase in tg ( tg = 195. 54 )

    研究結果表明： bmi dds e ? 51 tde ? 85組成的膠粘劑體系的室溫剪切強度為39 . 3mpa ，當改變環氧樹脂的含量時，剪切強度提高到53 . 5mpa ；用無規羧基液體丁腈橡膠改性環氧樹脂膠粘劑時室溫剝離強度提高3 . 0倍；用聚醚酰亞胺改性環氧樹脂膠粘劑，室溫剪切強度最高可達45 . 2mpa ，剝離強度提高2 . 6倍，玻璃化轉變溫度tg = 195 . 54 ，比未增韌體系提高10以上；碳纖維耐磨材料與同步器圓錐環的粘接實驗結果表明，膠粘劑的使用工藝性能良好，滿足室溫剪切強度30mpa和180剪切強度12 . 5mpa的技術要求。
  18. Puyang puzhong chemical co., ltd is mainly produces carboxymethyl cellulose and thiourea dioxide and auxiliary agent of petroleum. it was founded in 1998, and today, it has developed into a high - tech non - government cooperation combined with researching, producing marketing. our company has advanced equipments, technicals and management. at the same time, . we also owns the operation right of import export business

    濮陽市濮中化工有限公司創建於1998年，是從事羧甲基纖維素鈉carboxymethyl cellulose英文縮寫「 cmc 」二氧化硫脲thiourea dioxide油田助劑等集科研開發生產製造市場營銷為一體的高科技民營企業。
  19. In the procedure, carbon nanotubes were oxidized by nitric acid and then neutralized with naoh to create carboxyl surface groups which were used to adsorb ni ( superscript 2 + ) ions, thereafter the adsorbed ni ( superscript 2 + ) ions were chemically reduced into ni nano - particles as a catalytic center for electroless nickel deposition, all these were further confirmed by infrared absorption spectra and electron microscopic observations

    碳納米管經硝酸氧化和堿中和后表面生成羧基，利用羧基吸附鎳離子，之後吸附的鎳離子被化學還原為鎳的納米微粒並成為化學鍍鎳的催化活性中心。
  20. Take removes in the water to have the slight pollutant as the goal activated charcoal surface modified direction is : the reduced surface lactone base and the carboxyl group and so on contain the oxygen functional group the content, increase activated charcoal surface sparse river characterthe modified activated charcoal in has a drink together in the water used adsorption treating processes, a weak basicity environment is good

    我們研究了以濃硝酸、次氯酸和氨水去除水中三氯甲烷為主要目標表面改性活性炭吸附處理技術。立意方向為:減少表面內酯基及羧基等含氧官能團的含量，增加活性炭表面的疏水性。
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