甲氧下基 的英文怎麼說

中文拼音 [jiǎyǎngxiàjī]
甲氧下基 英文
methoxybenzyl
  • 甲 : Ⅰ名詞1 （天乾的第一位） the first of the ten heavenly stems2 （爬行動物和節肢動物身上的硬殼） she...
  • 氧 : 名詞[化學] （氣體元素） oxygen （o）
  • 下 : 下動詞1. （用在動詞后,表示由高處到低處） 2. （用在動詞后, 表示有空間, 能容納） 3. （用在動詞后, 表示動作的完成或結果）
  1. The thermodynamic free energy on mixing and the spinodal equation in ternary homopolymer blends were obtained by making plausible approximation based on flory ' s equation of state theory. because of the non - linear behavior of the spinodal equation, a numerical solution approach was used and succeeded in solving the problem. spinodal of polystyrene ( ps ) / poly ( vinyl methyl ether ) ( pvme ) / poly ( 2, 6 - dimethyl - 1, 4 - phenylene oxide ) ( ppe ) were simulated over a wide temperature range and the calculated result was coincidence with that of the literature

    將上述方法用於已知狀態方程參數的二元均聚共混體系聚苯乙烯（ ps ） /聚甲基乙烯基醚（ pvme ） ，三元均聚共混體系聚苯乙烯（ ps ） /聚甲基乙烯基醚（ pvme ） /聚2 ， 6 -二甲基1 ， 4 -苯撐氧（ ppe ） ，得到一系列不同溫度下的spinodal相圖，預測結果與文獻報道吻合，在此基礎上進一步研究了聚合物的分子量對體系相行為的影響。
  2. The photocatalytic activity of the samples was evaluated by the photocatalytic oxidation of nitrogen monoxide in the gaseous phase and the photocatalytic decolorization of methyl orange solution in the aqueous phase, respectively. the titania thin films on fused quartz were prepared by lpd method and then calcined at different temperatures

    用液相沉積法在石英玻璃上制備了二氧化鈦薄膜，並在不同的溫度下進行熱處理，用甲基橙水溶液的降解脫色評價二氧化鈦薄膜的光催化活性。
  3. 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；基體採用的是不飽和樹脂，固化劑為過氧化甲乙酮，促進劑為環烷酸鈷液；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。
  4. N - vinylpymolidone - co - 2 - hydroxyethyl methacrylate ( nw - co - hema ) copolymer had been widely studied and used as soft contact lens and controlled - releasing materials in foreign countrys. but this hydrogel material ' s oxygen penetration capability was closely correlated to its equation water content. when the hydrogel had high equation water content, its oxygen penetration capability was improved, but its mechanism performance was droped

    N -乙烯基吡咯烷酮（ nvp ）和甲基丙烯酸-羥己酯（ hema ）的共聚物水凝膠作為軟質接觸透鏡材料（隱形眼鏡）和藥物釋控材料，在國外已經得到深入研究和應用，但是這種水凝膠材料的氧氣透過性能與其平衡含水量密切相關，水凝膠含水量較高，其氧氣透過性能有所提高，但材料的機械性能下降。
  5. The vasomotion was induced by noradrenaline na in vivo, then the changes of vasomotion after injecting si and ngmonomethyllarginine lnmma, a no synthase inhibitor were measured respectively on a tv monitor using a tv camera mounted on the microscope, and the influence of lnmma on effect of si was also observed

    在活體情況下運用去甲腎上腺素noradrenaline ， na血管運動誘導法誘導出血管運動，分別觀察靜脈注射g單甲基精氨酸gmonomethyllarginine ， lnmma si后血管運動的變化及應用一氧化氮合酶抑制劑lnmma對si作用的影響，攝錄結果於監視器上用暫停功能測量。
  6. 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酸酯.方法在金屬鋰片和催化量的萘的存在下， 3 ， 5 -二甲氧基苯甲醛與對甲氧基苯甲醇的三甲基硅醚反應經過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酸酯.結果設計併合成了白藜蘆醇煙酸酯.結論提供了一種合成白藜蘆醇及白藜蘆醇煙酸酯的方法，採用khso4脫水可選擇性的得到反式產物
  7. In this thesis, the mesoporous silica was synthesized by using cationic surfactant cetyltrimethyl - amrnonium chloride ( ctab ) as template under strong acid condition, and ctab was extracted by hot ethanol

    本文以陽離子表面活性劑? ?十六烷基三甲基季銨鹽（ ctab ）為結構模板劑，在強酸性條件下，合成了介孔氧化硅材料。
  8. The liquid - liquid equilibrium data of ternary dem - ethanol - glycerin system have been determined at atmospheric pressure and different temperatures of 20, 40 and 60 ? c, the conjugate phase compositions and thereout the contribution curves of this ternary liquid - liquid equilibrium system have been obtained

    摘要在常壓， 20 、 40 、 60下，測定了二乙氧基甲烷乙醇丙三醇三元體系的液液平衡數據，得到了三元液液平衡體系的共扼相組成並由此繪得相平衡曲線。
  9. The research on the effect of liquid - liquid transition of polyacrylate on crystallization - melting of pdms indicates that above the melting temperature of pdms, pdms is reinforced by a special mutual action between p - electron in carbonyl of polyacrylate and 3d orbit in si atom of pdms, while below the temperature, the pdms crystal is lessened, which can not completely remove the crystal of pdms. however, it is the crystallization behavior of pdms that results in its most segments relaxation being restrained

    研究聚丙烯酸酯液一液轉變對聚二甲基硅氧烷結晶一熔融影響的結果表明：碳基碳原子上p電子與出原於中3d軌道相互作用，在聚h甲基硅氧烷熔融轉變溫度以上，對其有分子增強作用；在聚二甲基硅氧烷熔融轉變溫度以下，霎對其有降低結晶度的作用，但不能消除結晶現象。
  10. The phenomenon of pdms crystallization above - 120 ? disappears when methylphenylsiloxane is introduced to polydimethylsiloxane, where the segments are freed, tan 5 is raised and the tg even can be broadened to - 115 ?

    聚二甲基硅氧烷在低溫下的結晶，使其大部分鏈段的鬆弛受到阻礙，是pdms阻尼性能不高的主要原因。
  11. Police arrested a 31 - year - old man for trafficking in dangerous drugs following the seizure of nine kilograms of mdma powder in sheung shui yesterday ( august 19 ) afternoon

    警方昨日（八月十九日）下午在上水檢獲九公斤亞甲雙氧甲基安非他命（忘我）藥粉，並拘捕一名三十一歲涉嫌販毒的男子。
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