he is double my age.

i'm not sure. i think he is my age.

我不知道。我想他和我同岁吧。

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analysis of aliphatic series of high range water reducing agent development and application

脂肪族高效减水剂研制与应用分析

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a range of waterborne alkyd resins has been prepared by fatty acid process, based on soybean fatty acid, trimellitic anhydride, and various polyols and polybasic carboxylic acids, which are modified with benzoic acid, maleic anhydride and oleic acid.

通过脂肪酸法，选用豆油脂肪酸、偏苯三甲酸酐和不同的多元醇、多元酸制备了一系列水性醇酸树脂，用苯甲酸、顺丁烯二酸酐和油酸对其改性进行了研究。

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by selecting or synthesising polyether polyol, and changing rigid foam formulations, the application of benzoic acid anhydride polyester polyols in polyurethane rigid foam is introduced in this paper.

通过选择或合成聚醚多元醇，调整聚氨酯泡沫配方，介绍了苯酐聚酯多元醇在聚氨酯硬泡中的应用。

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study on synthesization of tetra-2-ethylhexyl pyromellitate catalyzed by solid superacid; the organic compounds are mainly benzoic acid anhydride, benzophenone, and so on.

固体超强酸催化合成均苯四甲酸四异辛酯的研究生成的有机化合物成分比较复杂，主要成分有苯甲酸酐、苯甲酮等。

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the organic compounds are mainly benzoic acid anhydride, benzophenone, and so on. suitable anhydrides for use in this process include phthalic, maleic, and succinic.

生成的有机化合物成分比较复杂，主要成分有苯甲酸酐、苯甲酮等.适用于本法的酸酐有苯二甲酸，马来酸及琥珀酸的酸酐。

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the paper narrates raw materials selection, basic proportion, and technical index and use examples of alkyd resin without benzoic anhydride; and discusses main factors influencing its performance indexes.

论述了无苯酐醇酸树脂原材料的选择，基本配比和技术指标及应用实例，讨论了影响其性能指标的主要因素。

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a flame retardant rigid polyurethane foam was prepared from benzoic anhydride polyester polyol and isocyanurate.

以国产苯酐聚酯多元醇为主要原料制备了组合聚醚，再与多异氰酸酯反应，制备了阻燃型聚氨酯硬质泡沫。

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manufacture and installation of cooler for benzoic anhydride

苯酐气体冷却器制造与安装的对策建议

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study of benzoic anhydride catalyst carrier

苯酐催化剂载体的研究

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synthesis and use of alkyd resin without benzoic anhydride

无苯酐醇酸树脂的合成及应用

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as directions of the points on the closed curve around singularity are continuous, and there is only one absolute value of difference between adjacent angles is greater than π/ 2, the formula of adjacent direction angles difference is adjusted.

沿围绕奇异点的封闭曲线，其上的点的方向角变化是连续的且只有一个方向角差值的绝对值大于π/2。

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pingdingshan coal mine group four fully mechanized excavation integrated electrical and mechanical thinning management

平煤集团四矿综采综掘机电细化管理

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" i see. "lord jonos shrugged into a brown woolen tunic with the red stallion of bracken embroidered on the front." will my lord take a horn of ale?"

“我明白了。”裘诺斯伯爵套上一件棕色羊毛外套，正面绣着布雷肯家族的红色种马家徽。“我的大人需要喝上一杯麦芽酒吗？”

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firstly, we take a horn antenna as an example and obtain the one-dimensional high range resolution profile ( hrrp) of the antenna scattering field by ifft.

首先以喇叭天线为例，对其结构项散射场进行IFFT变换得到一维距离像。

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a religious institute in which only simple vows, not solemn vows, are taken. for i have sworn before you, and almighty god, the same solemn oath our forbears prescribed nearly a century and three quarters ago.

一个只进行简单宣誓而没严肃宣誓的宗教组织因为我已在你们和全能的上帝面前，宣读了我们的先辈在170多年前拟定的庄严誓言。

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her mother's forebears had come out of britain by way perhaps of connecticut generations back, and her father's forbears ultimately out of holland.

她母亲的祖先来自英国，在来到俄亥俄之前可能在康涅狄格生活了好几代，而她父亲的先祖则来自荷兰。

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they were also beginning to make, in addition to the chipped implements of their hunter forbears, implements of polished stone.

除了他们那些以狩猎为生的祖先所用过的凿制器具外，他们还慢慢开始制作光滑的石器。

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we, the people, have remained faithful to the ideals of our forbears, and true to our founding documents.

因为我们美国人民一直在坚守国家先驱者理想的信仰，以及忠诚于我们的建国宣言。

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eeg and baep were analyzed in five patients with "locked-in" syndrome ( ls) caused by stroke.

报道5例脑卒中引起的闭锁综合征（LS）患者的脑电图（EEG）和脑干听觉诱发电位（BAEP）。

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