Optionally, the purified diisobutylene may be hydrogenated to isooctane hydrogenation catalyst.

1、

Isoparametric element of arbitrary hexahedron plays an important role in element analysis.

内容摘要等参数任意六面体单元在有限元分析中有着重要的作用.

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2、

Elements based on QACM are less sensitive to mesh distortion than the traditional isoparametric elements.

与传统的等参坐标方法相比,采用四边形面积坐标构造的单元对网格畸变不敏感.

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3、

Traditional isoparametric elements are usually sensitive to various curved or straight edge mesh distortion.

目前普遍采用的传统等参元族对网格的曲边、直边畸变均十分敏感.

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4、

Isoparametric element of arbitrary quadrilateral plays an important role in finite element analysis.

等参数任意四边形单元在有限元分析中有着重要的作用.

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5、

Applying degenerate isoparametric element, this paper has studied geometrical nonlinear response of composite plates and shells.

本文采用退化的等参壳元分析了复合材料板、壳结构的几何非线性特性.

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6、

A new generalized conforming isoparametric element is formulated to arbitrary irregular quadrilateral for plane stress analysis.

根据线性边界力状态下的广义协调条件,对任意不规则四边形单元构造出一种广义协调等参元.

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7、

Eight-nodded curvilinear quadrilateral isoparametric shell element is used both in the FEM and in the BEM.

在有限元方法和边界元法中均采用了八结点曲面四边形等参单元.

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8、

Its gravitational field is on a density suddenchange belt of Bouguer anomaly isopleth.

重力场则处于布伽重力异常等值线疏密突变带上.

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9、

METHODS Rats were randomly divided into control group, isoprenaline ( Iso ) group and Iso + BRL group.

方法大鼠分为对照组、异丙肾上腺素 ( Iso ) 组和Iso+BRL组.

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10、

Objective : To develop an RP-HPLC method for determination the content of Isoprenaline Hydrochloride Injection.

目的: 建立HPLC法测定盐酸异丙肾上腺素注射液的含量.

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11、

Objective To study the protective effect of Huoxueyangyin granule on isoprenaline-induced acute myocardial ischemia in rats.

目的研究活血养阴颗粒对异丙肾上腺素造成急性心肌缺血模型大鼠的保护作用.

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12、

Isoprene could be deeply hydrogenated to isopentane on nickel catalyst.

异戊二烯在镍基催化剂作用下可深度加氢为异戊烷.

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13、

Development proposals of isoprene rubber in China were put forward.

结合我国的实际情况,提出了发展我国异戊橡胶的几点看法.

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14、

The epoxidation of styrene-isoprene block copolymer ( SIS ) in different organic solvents was studied.

研究了聚苯乙烯 - 聚异戊二烯-聚苯乙烯三嵌段共聚物 ( SIS ) 在不同溶剂中的环氧化反应.

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15、

Isoprenoid ( terpene ): Class of organic compounds made up of two or more structural units derived from isoprene.

类异戊间二烯化合物(亦称烯 ): 由两个或多个异戊间二烯单元组成的一类有机化合物.

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16、

Carotenoids are isoprenoid molecules that are the most widespread group of pigments found in nature.

类胡萝卜素是生物体内通过类异戊二烯途径合成的、自然界广泛存在的一大类天然色素物质的总称.

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17、

In the paper , the liquid-liquid equilibrium data of isopropanol-water-benzene-K _ 2 CO _ 3 system has been measured at 30 ℃.

测定了异丙醇 - 苯 - 水 - 碳酸钾体系在30℃时的液液相平衡数据.

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18、

Isopropanol-Isopentanol Binary system vapor-liquid equilibrium date were measured with vapor-liquid equilibrium caldron in 101.

采用双循环气液平衡釜测定了异丙醇 - 异戊醇二元体系在常压下的气液平衡数据.

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19、

After salt out process and regular distillation, the recycling purity of isopropanol can reach above 98 %.

经盐析后,只需经普通蒸馏, 异丙醇回收纯度即可达到98%以上.

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20、

There is an equilibrium distribution relationship between DIPE and isopropanol.

产物异丙醇和二异丙基醚间存在平衡分布.

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