羥基化了的 的英文怎麼說
中文拼音 [qiǎngjīhuàlēde]
羥基化了的
英文
hydroxylated-
A review on application of monohydrated sodium bisulfate as catalyst in synthesis of ester, such as monocarboxylic esters, dicarboxylic esters, chloroacetates, hydroxycarboxylic esters, aromatic esters and the reusability of sodium bisulfate with
摘要介紹了一水硫酸氫鈉在催化合成酯(如一元羧酸酯、二元羧酸酯、氯乙酸酯、羥基酸脂、芳香酸酯)中的應用及其重復催化性能。The methods for synthesizing p - hydroxyl ethyl benzoate catalyzed by sulfuric acid, p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, aluminum chloride hexahydrate, stannic chloride pentahydrate, copper sulfate, titanium sulfate, rare earth metal oxide, sodium bisulfate monohydrate, solid super acid and heteropoly acid and so on are reviewed
摘要評述了硫酸、對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水合三氯化鐵、六水合三氯化鋁、五水四氯化錫、硫酸銅、硫酸鈦、稀土金屬氧化物、一水硫酸氫鈉、固體超強酸、雜多酸等催化劑催化合成對羥基苯甲酸乙酯的方法。By controlling those parameters, the hydroxymethylated and sulfonated ratios of melamine resin superplasticizer were enhanced, the performances of product also improved
通過控制這些因素提高了密胺樹脂高效減水劑的羥甲基化率和磺化率,改善了產物性能。Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents
以甲基丙烯酰氯、甲基丙烯酸酐和甲基丙烯酸作酰化劑,研究了膽酸甲酯分子中羥基的反應活性。The barnidipine hydrochloride were prepared via cyclocondensation from m - nitrobenzaldehyde, methyl acetoacetate and anmmonium bicarbonate, hydrolysis, esterification with opticaliy ( s ) - n - benzyl - 3 - py - rrolidinol, recrystallisation and salification
摘要研究了以碳酸氫銨,間硝基苯甲醛和乙酰乙酸甲酯為原料,經縮合、部分水解,再與( s ) - n -芐基3 -羥基吡咯烷經酯化、分步重結晶、成鹽得到鹽酸巴尼地平的工藝路線。( 1 ) in chapter 1, renewable amperometric immunosensor based on sol - gel technique has been developed by dispersing graphite, complement 3 antiserum and sol - gel at low temperature for the determination of complement 3 in human serum
同時還研究了1 - o -烯丙基- 4 -羥基蒽醌的電化學行為以及2 -氨基吡啶聚合膜修飾玻碳電極的制備及其電化學性質。We have prepared a series of neodymium binary / ternary complexes, such as nd ( acac ) 3 ' 2h2o, nd ( tfa ) 3 ' 2h2o, nd ( hfa ) 3 ' 2h2o, nd ( dbm ) 3 ' h2o, nd ( acac ) 3phen, nd ( tfa ) 3phen, nd ( hfa ) 3phen, nd ( dbm ) 3phen, nd ( tta ) 3 ( tppo ) 2, nd ( hfa ) 3 ( tppo ) 2, nd ( acac ) 4hpy, nd ( tta ) 4hpy and ndq3. the effects of organic ligands, synergistic coordination agents and different substitution groups for - diketones on effective line width and photoluminescence intensity of neodymium complexes were investigated. the photoluminescence spectra indicate that synergistic coordination agents can shield neodymium ion and impede water molecules penetrating into inner coordination shell to satisfy large coordination number of nd3 + during hydrous synthesis process, so the luminescence intensity of neodymium ternary complexes is stronger than that of neodymium binary complexes
發光光譜研究表明,由於協同試劑的參與,屏蔽了水分子參與配位,降低了羥基( oh )對釹離子激發態能級~ 4f _ ( 3 2 )的猝滅,三元配合物的熒光強度均比二元配合物強,其中配合物nd ( tta ) _ 3 ( tppo ) _ 2在1340nm處的熒光強度最強,適合作為摻雜的光學活性物質,來制備有源光波導材料;在有水工藝條件下,單純地氟化配體未必能提高釹配合物的近紅外發光性能。Abstract : in this paper, a imidazole - salt was synthsised and was used with a polyphenol compound to modify the dicyandiamide curing epoxy resin system
文摘:本文針對雙氰胺固化環氧樹脂時的固化溫度高,固化產物耐濕熱性差的缺點,利用自行合成的咪唑鹽和多羥基酚類化合物,對雙氰胺固化體系進行了改進。This thesis consists of four chapters : ( 1 ) a review ; ( 2 ) study on the optical chemical membrane for detection of lead ion by using 2 - hydroxy - 1 - naphthaldehydene - 8 - aminoquinoline as fluorescence indicator ; ( 3 ) study on the optical chemical membrane for detection of lead ion by using meso - ( 4 - methyloxyphenyl ) porphyrin as fluorescence indicator ; ( 4 ) study on the optical chemical membrane for detection of lead ion by using 2 - methene - benzimidazole monoaza - 18 - crown - 6 as fluorescence indicator. in chapter one, the laboratory method for determination of lead ion, the progresses of chemical sensor for detection of lead ion recently and the introduction of the basic theory, relative merits of sol - gel and its application in optical chemical sensor were involved
第二章利用有機改性的溶膠-凝膠包埋方式,以2 -羥基- 1 -萘甲醛- 8 -氨基喹啉為熒光指示探針,結合正交實驗方法探索了幾個重要因素,如加水量、醇硅比、催化劑、添加劑等對成膜性的影響,制備了對水中鉛離子有較好響應的傳感膜,其線性范圍為1 . 0 10 - 7 ~ 5 . 0 10 - 5mol / l ,檢測限為3 . 6 10 - 8mol / l 。The field surveys and lab experiments tvere designed to study the distribution and source of pah " poliution in x " ater, sediment ; the pah " concentration and distribution in marine fish organ ( of the fish lateolabimjapo ) 1iclls and pagivsonills inajor ) ; the pah " bcf factors of liver and bile in marine fish ( laleolabral jtwo ) 1itits and pag7vso ) ) ills ) ) 1ajbr ) ; the reiationship between pah " exposure and biochemicai response ( cat sod, lpo ) and the metabolic rate of naphthalene and pyrene in fish bile
4優化了魚膽汁中1 ?羥基萘和1 ?羥基芘的熒光分析方法,測定了1 ?羥基萘和1 ?羥基芘在鱸魚、真鯛膽汁中的含量,探討了萘和芘在魚膽汁中的代謝比率、清除作用。結果顯示: ( 1 )膽汁中萘的代謝比率低,易蓄積;而芘的代謝比率高,易清除。A polyurethane radical composite material ( pu / p ( vc - vac ) ) was synthesized by reaction of hydroxyl vinyl chloride - acetate copolymer ( p ( vc - vac ) ) and pu
摘要試驗研究了以羥基化的氯乙烯醋酸乙烯酯樹脂為改性劑,與聚氨酯預聚體反應合成聚氨酯基氯醋樹脂聚氨酯復合材料。Xps showed that there were much chemical absorbing water on the ti _ ( 2 ) film surface which mainly existed in form of - oh, and the contents of - oh was increasing with the annealing temperature. hydrophilic property became better with the annealing temperature ; the essential relation between the changing of contact angle and light - induced - electrons and light - induced - cavities was studied in details. the photocatalysis of samples without heat treatment was very bad, but that of samples after heat treatment was much better
Xps的分析表明:試樣的表面含有大量的化學吸附水,主要以羥基的形式存在,隨著熱處理溫度的升高,吸附羥基的含量在增加;親水性能測試表明:隨著氧氣分壓的變化,其親水性能變化不大,隨著熱處理溫度的增加,試樣的親水性能在變好,並從理論上解釋了親水性能光照前後變化和光生電子?空穴對之間的本質關系。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
摘要採用混酸體系(濃硫酸濃硝酸體積比為3 / 1 )對單壁碳納米管進行了氧化處理,並通過氧化處理后在單壁碳納米管表面生成的羥基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。Especially, when - bi together with a little carbon black ( cb ) or copper salt is used, the catalytic effect is better ; the flame structures of the double - base propellants containing - bi are similar to the typical plateau double - base propellant, but the combustion temperature distribution has been changed because of adding the - bi ; and the active components of catalysts deposit on the burning surface of propellants and the quenched surfaces of propellants with various catalysts possess different structure
它與銅鹽和少量炭黑( cb )復合后,催化效果更優; 2 , 4 -二羥基苯甲酸鉍加入后,推進劑的火焰結構保持了典型平臺雙基推進劑的結構特徵,但改變了雙基推進劑燃燒波溫度分佈,炭黑和銅鹽的加入對2 , 4 -二羥基苯甲酸鉍的催化作用有很大影響;催化劑分解的活性組分富集在燃燒表面,不同催化劑使推進劑熄火表面形成不同的結構。The peculiarities and the progress in research of production and application of acetoin were described. the chemical synthesis process and the micro - organism fermentation method were also compared
摘要簡述了3 -羥基丁酮的性質以及生產應用方面的研究進展,並對化學合成法與生物發酵法生產3 -羥基丁酮的工藝方法進行了比較。Through strength tests and xrd tests for cemented stone, the paper presents action mechanism of the nanometer materials in the cement hydration and hardening process : pozzolanic effect, filling effect, acceleration action for the cement hydration, and improving action for microstructure. from the four aspects, the modified mechanism of the nanometer silica fume and ordinary silica fume in cement paste are compared. the analysis results show that the particular properties of the nanometer silica fume include particle fineness, crystal structure and surface hydroxy, etc. a serial of laboratory tests are performed to study physical and mechanic properties of the clay with the addition of the nanometer silica fume
結合水泥石強度試驗和xrd試驗,從火山灰效應、填充效應、水泥水化促進作用和微結構改善作用等方面探討了三種納米礦粉在水泥水化硬化過程中的作用機理;從這四個方面出發,對比分析了納米硅粉和普通硅粉作用機理的異同點,分析表明,納米硅粉的優異特性主要表現為顆粒細度、晶體結構、表面羥基等特性。As a result, 1 ipophilic products have the highest yield when the reaction time was 70min. the identification of ir spectrometry showed that there are more dissociated hydroxy ( ho - ) and end - groups in the liquefaction products than in the plant cellulose
經紅外光譜( ir )檢測結果表明,液化產物的游離羥基明顯增多,其它的游離端基也是明顯增加,這說明液化反應破壞了纖維素的晶格結構,而且部分水解了糖苷鍵。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。They have different properties from montmorillonite and fe oxyhydroxides such as larger specific area, different surface potential, etc. under the acidity, temperature and other conditions ( initial arsenate concentration, ion strength, duration of adsorption ) simulated to that of soil in tropical and sub - tropical area, the adsorption of arsenate on the prepared fe - oxyhydroxide - montmorillonite complexes were conducted
在參考實際土壤ph值和離子強度的條件下,分別以ph值、砷初始濃度、離子強度、吸附時間、吸附溫度為影響因素,進行了低聚合羥基鐵?蒙脫石復合體、蒙脫石原樣及水合氧化鐵吸附砷酸根離子的對比實驗;並用正交實驗方法,進一步研究了上述因素對復合體砷吸附能力的相對影響程度。The influence of emulsifiers on the stability of the micro - gels and the influence of the adding methods of monomers on crosslinking degree and distribution of hydroxyl group in micro - gel particles were also discussed
討論了乳化劑對微凝膠穩定性的影響及操作方法對微凝膠交聯度、羥基分佈的影響。分享友人