Phenyl ( or polyphenyl ) substituted epoxides serve as excellent precursors to phenyl ( or diphenyl ) carbenes.
某些苯代 ( 或多苯 ) 環(huán)氧乙烷是制取帶苯環(huán) ( 或二苯 ) 碳烯的極好原料.
辭典例句
Note the presence of megakaryocytes, erythroid islands, and granulocytic precursors.
可見巨核細(xì)胞, 紅細(xì)胞島和粒細(xì)胞前體細(xì)胞.
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Vascular endothelial progenitor cells ( EPCs ) are the precursors of endothelial cells ( EC ) .
血管內(nèi)皮 祖 細(xì)胞是血管內(nèi)皮細(xì)胞的前體.
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The absorption reactions of goethite and its precursors on arsenite were studied.
觀察了針鐵礦及其前體對溶液中亞砷酸根離子的吸附過程和吸附性能.
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Surpass precursors, surpass competitors, surpass yourself and surpass all.
超越前人, 超越對手, 超越自己,超越所有.
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Gray and Burns were precursors of the Romantic movement in English Literature.
格雷和伯恩斯是英國文學(xué)浪漫主義運動的先驅(qū).
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The reason - these pathways provide the precursors for the biosynthesis of cell material.
因為這些方式為細(xì)胞材料生物合成提供前體.
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Aglycone precursors and glycosidases are two important compounds in tea aroma formation.
糖苷類香氣前體和糖苷酶是制約香氣形成的兩個關(guān)鍵因素.
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OBJ file to read three - dimensional model, and converted into cell precursors express.
OBJ文件中讀取三維模型, 并轉(zhuǎn)換成單元體表示.
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Glycine and succinyl - CoA are precursors of 5 - aminolevulinic acid ( ALA ) biosynthesis.
甘氨酸和琥珀酸是紅假單胞菌生物轉(zhuǎn)化合成5-氨基乙酰丙酸 ( ALA ) 的前體.
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The precursors are tobacco alkaloids, nitrate and nitrite.
它們形成的前體物是煙草生物堿 、 硝酸鹽和亞硝酸鹽.
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In these respects he may be regarded as one of the precursors of Qing thought.
,我們可以嗅到清代的思想的新氣息.
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New , sterically demanding 1, 3 - dialkylimidazolinium salts used as N - heterocyclic carbene precursors were synthesized and characterized.
合成并表征了一種新型的有空間需求的N - 雜環(huán)卡賓前驅(qū)體1, 3- 二烷基咪唑啉鹽.
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The meat flavor is the reactionresult of a variety of the aroma precursors.
風(fēng)味是由多種風(fēng)味前體物經(jīng)過一些基本的化學(xué)反應(yīng)形成的.
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The mediaeval burgesses and the small peasant proprietors were the precursors of the modern bourgeoisie.
中世紀(jì)的城關(guān)市民等級和小農(nóng)等級是現(xiàn)代資產(chǎn)階級的前身.
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