萘
- 与 萘 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The company with high technical content, product quality, its products -methyl naphthalene,-methyl naphthalene, acenaphthene industry, quality of wash oil, residual oil, etc., the main focus on the supply in Shanxi, Henan, Shandong and other places.
该公司技术含量高,产品质量可靠,其生产的产品α-甲基萘、β-甲基萘、工业苊、中质洗油、残油等,主要集中供应于山西、河南、山东等地。
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The hydrolysis rates of Carbaryl in distilled and river water were almost the same, but slightly bigger in distilled water, and the distinction was more bigger in alkalescence water.
甲萘威在去离子水中的水解速率和在河水中的水解速率相差不多,但这种差别随pH值的增大而有所增加,说明河水中的一些无机离子和腐殖酸等对甲萘威的水解有一定的影响。
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Covalent modification of four isolated alkannin derivatives (alkannin, acetylalkannin,β,β dimethylacrylalkannin and β acetoxyisovalerylalkannin, respectively) on rabbit muscle latate dehydrogenase and yeast Alcohol Dehydrogenase has been studied.
为研究紫草萘醌类化合物的细胞毒性作用机制,从新疆软紫草根中分离出四种紫草萘醌类化合物β,β二甲基丙烯酰阿卡宁(1),乙酰阿卡宁(2 ),β乙酰氧基异戊酰阿卡宁(3)和阿卡宁(4)。
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Waste minimization in ammonolysis process of O,O-dimethylphosphorochloridothioate;2. An Investigation on the Micelle-Catalytic Hydrolysis and Ammonolysis of Carboxylic Acid Esters;3. The final product is generated by ammonolysis of the compound under high pressure.
以4-溴-1,8-萘酐为原料,用2,4-二甲基苯胺在醋酸中与之反应得到N-2′,4′-二甲基苯基-4-溴-1,8-萘酰亚胺,然后将NDNA在高压下用氨水进行氨解得到最终产品。
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To avoid the influence of ammonolysis, alcoholysis and hydrolysis on molecular structure identification, in this paper, derivational estimation is utilized to confirm molecular structures ofβ-naphthol-containing sulfonyl chloride intermediates. Then the structures of corresponding sulfonamide dyes are also confirmed by FTIR,~1H NMR and mass spectrometry.
为了避免磺酰氯化合物发生水解、醇解和胺解等衍生化反应影响磺酰氯化合物分子结构表征,本文采用衍生化反推法证明了β-萘酚结构磺酰氯化合物的分子结构,并利用红外光谱、核磁共振氢谱、质谱表征了含β-萘酚结构磺酰胺染料的分子结构。
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The electron- withdrawing groups in the anilide ring of the coupler moiety enhance the photosensitivity. Remarkable increase of photosensitivity was observed with Azo9, suggesting that conjugation effects drastically influence the photoconductive properties.
值得注意的是萘环上扩大一个咔唑环(Azo9,使偶氮染料的光敏性提高了几十倍,表明在萘环上扩大共轭环是提高偶氮染料光敏性的一个良好途径。
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In NO 1 unit, 187% of naphthalene, 71% of anthracene and 76% of fluoranthene can be filtered. In NO 2 unit, 96% of naphthalene, 42% of anthracene and 38% of fluoranthene can be filtered.
工艺1 中的萘、蒽、荧蒽等滤后水较原水去除率分别为87%、71%和76%;工艺2 中萘、蒽、荧蒽等滤后水较原水去除率分别为96%、42%和38%。
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In the precence of the base catalyst KF/Al2O3, the one - pot reaction of 2 -hydroxybenzaldehyde or 2 - hydroxynaphthaldehyde with ethyl α- bromoacetate,α-bromoacetophenone , 1,4 - dichloromethylbenzene , 4,4'- dichloromethylbiphenyl and 1,5 -dichloromethylnaphthalene gave the benzofuran compounds in 38-89% yield.
本文报道用 KF/Al_2O_3作为碱催化剂,由水杨醛或2-羟基-1-萘醛分别和α-溴代乙酸酯、α-溴代苯乙酮、苄基氯、4,4'-二氯甲基联苯和1,5-二氯甲基萘等进行一锅化缩合反应,以38~89%的产率合成了14种芳并呋喃化合物。
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In no-smoking home kitchens the two main sources of naphthalene were cooking and volatilization of camphor ball, acco...
在不抽烟家庭厨房中,卫生球的挥发、烹调对萘的贡献率分别为36%,64%;在抽烟家庭厨房中,香烟烟雾、卫生球的挥发、烹调对萘的贡献率分别为53%,17%,30%。
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2, 3-Naphthalocyaninatocobalt compounds, a new type of functional materials, have been successfully prepared by using of Diels-Alder reaction.
采用Diels-Alder方法合成了2,3-萘二腈和6,7-二溴-2,3-萘二腈化合物,并以此为前体成功地合成了相应的钴萘酞菁系列化合物---一种新型的功能有机材料。
- 推荐网络例句
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In her eyes, because that is the doorway toher heart * the place where love resides.
女人的漂亮必須從她的眼睛中去看,因為那是她心靈的窗戶和愛居住的地方
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I will send some postcards to you.
我会向你发送一些明信片。
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Of aesthetics and the definiteness of its content and leads to its immaturity and decline .
它的不确定,直接影响美学学科定位乃至研究内容的确定,导致美学学科的不成熟和衰微。