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There are two methods on the synthesis of isophorone: mesityl oxide method and acetone condensation method. |
中文意思: 异佛尔酮的合成方法有异丙叉丙酮法和丙酮缩合法两种。 |
以下为相关句子列表(点击查看,可以看对应的解释):
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There are three processes of IT outsourcing, decision process, vendor selection process and vendor management process.
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信息技术外包包含三个主要过程:信息技术外包的决策过程、信息技术外包商的选择过程和信息技术外包商的管理过程。 |
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There are three types of wetlands in this area, its area is up to . 8 hm. The lake wetland and the artificial wetland are the major part, dotted with river wetlands.
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湿地面积.8 hm,有 种湿地类型,以湖泊湿地、库塘湿地为主,间有河流湿地。 |
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There are totally families, genera and species of evergreen broad-leaved woody plant in Qingdao, among which 7 tree species, 9 shrub species and 8 climber species are found.
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青岛计有常绿阔叶木本植物种及变种,隶属于 属、科,其中乔木7 种、灌木 9 种、藤本8种; |
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There are two equal minima in the PES. θ=7.°,Rm=0. 79 nm,θ=0.°,Rm=0. 79 nm,Vm=-. cm-.The C -Ar potential energy surface is very strong anisotropic.
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该势能面存在个相等的极小值,分别为θ=7.°,Rm=0. 79nm,θ=0.°,Rm=0. 79nm,Vm=. cm-,整个势能面表现强的各向异性. |
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There are two mature reinforce technology is commend to use, one is grouting block method, the other is felt armor plate.
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对于已经产生的裂缝,根据不同的开裂情况使用不同的方法进行加固,推荐使用技术上较为成熟的灌浆、嵌缝封堵法和粘结钢板补强法进行加固。 |
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There are two methods on the synthesis of isophorone: mesityl oxide method and acetone condensation method.
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异佛尔酮的合成方法有异丙叉丙酮法和丙酮缩合法两种。 |
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There are two models of turbulence to be used for the computation,one is the Baldwin Lomax algebraic model,and the other is the two layer κ ε turbulent model.
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湍流模型选择了Baldwin-Lomax代数湍流模型,和两层κ-ε二方程模型。 |
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There are two stress concentration zones in the locking hooks. On the surface of the hook contacting with the nose rail there are significant contact compressive stress and in the inner side of the hook swerve, stretch stresses.
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每个锁闭钩中有两个应力集中区,心轨(或心轨连接铁,或销轴)与锁闭钩接触区以接触压应力状态为主,锁闭钩拐弯处以弯曲造成的拉伸应力状态为主,接触应力集中大于拉伸应力集中; |
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There are two types of acid—the Brnsted acid and Lewis acid-on the surface of the catalyst, and most of them are Lewis acid.
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该催化剂具有中孔结构 ,表面上具有 L酸和 B酸 ,酸分布以弱酸为主 . |
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There are two types of bundles constructed on the kahler manifold DillS′/S′and the Kahler super-manifold super-DiffS′/S′for the heterotic string.
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在对应于杂化弦的无限维 Kahler 流形的 DiffS′/S′和 Kahler 超流形 super-DillS′/S′上,存在两种类型的丛. |
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There are viewpoints of Western scholars like Frege, Bertrand Russell, Strawson, Stephen C.
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其中包括西方学者如Frege, Bertrand Russell, Strawson, Stephen C. |
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