查询词典 intermediate
- 与 intermediate 相关的网络例句 [注:此内容来源于网络,仅供参考]
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All compounds are synthesized starting from the acylation reaction of gallic acid with L-glutamine to form the basic scaffold, followed by the cyclic reaction in acetic anhydride and the key intermediate cyclic anhydride (compound 4) was obtained. The intermediate compound is condensed with different amino acids or primary amines, and produces the target compounds.
本研究以L-谷氨酸为基本骨架,与甲醚化保护的没食子酸缩合后,经过酰化、环合反应得到关键中间体环状酸酐(化合物4),再经胺解反应合成目标化合物,其化学结构经过红外光谱、电喷雾质谱和核磁共振谱(氢谱、碳谱、碳氢异核多键相关谱)确证。
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It is found that in certain water ratio and consolidation pressure, the values of initial elastic modulus and principal deviator stress increase with intermediate principal stress increasing; in certain intermediate principal stress, the values of initial elastic modulus and principal deviator stress increase with water ratio falling.
试验结果表明:在一定的含水率和固结压力下,偏差应力和初始切线模量均随中主应力比b的增大而增大;在中主应力比b确定的情况下,偏差应力和强度最大值随着含水率的增大而减小。
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And direction of factor flows between intermediate sectors are dependent on the quantities of difference in sectoral technical progress and on, elasticity of substitution between intermediate products in the production of the final-product, respectively.
要素流动的速度取决于部门间技术增长率的差异,流动方向取决于中间产品在最终产品生产中的替代弹性。
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A novel carbonyl transposition led by anilines'nucleophilic addition to methyl 2-keto α-D-glucopyranoside was discovered. And the mechanism of the reaction concerned to an enol rearrangment was provided through tracing the change of 〓H-NMR and 〓C-NMR of a hemiacetal intermediate which was obtained in the reaction of o-phenylene diamine with 2-keto glycoside. Both the intermediate and the converting product were identified by 〓H-NMR,〓C-NMR,〓H-〓H COSY and HMQC.
一、发现了2-位氧化α-甲基D-葡萄糖苷的芳胺亲核加成引起羰基转位的新方法,利用核磁共振氢谱及碳谱对邻苯二胺与2-位氧化α-甲基D-葡萄糖苷加成生成的稳定中间体半缩酮化合物在氘代丙酮中的变化进行跟踪,结合对转化产物的氢氢相关谱和HMQC结构确证,提出了该反应中2-位羰基通过烯醇化互变而转至3-位的机理并得到了验证。
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Applying integral intermediate value theorem, new effective elasticity modulus expressions were presented, which creep aging coefficient can be calculated by the creep coefficient of intermediate time of incremental time segment. Creep and shrinkage strain were treated as a kind of compulsive strain. Compulsive strain methods were used for the analysis of creep effect and shrinkage effect about concrete curved box-girder bridge.
根据积分中值定理,推导了增量时间段中点时刻徐变系数等效弹性模量的计算式;将徐变和收缩应变视为强迫应变,推导了强迫应变法计算混凝土梁桥的徐变、收缩效应的分析方法,写出了混凝土桥梁的徐变、收缩时效分析有限元列式,并将此方法应用到曲线箱梁桥的时效分析中。
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College english, english grammar, intermediate english reading, intermediate oral english, superior english writing, theoretical and practical translation, history and anthology of american literature, professional english, theory and practice of international trade, superior english listening, interpretation, business english correspondence, accounting, business spoken english, book-keeping.
基础英语,英语语法。英语中级阅读,英语中级口语,高级英语写作与修辞,翻译理论与实践,英美文学简史及选读,高级英语,国际经贸理论与实务,英语高级视听,口译,外贸业务与函电,经贸会计,经贸口语,薄记。
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Applying integral intermediate value theorem, new effective elasticity modulus expressions were presented, which creep aging coefficient can be calculated by the creep coefficient of intermediate time of incremental time segment.
根据积分中值定理,推导了增量时间段中点时刻徐变系数等效弹性模量的计算式;将徐变和收缩应变视为强迫应变,推导了强迫应变法计算混凝土梁桥的徐变、收缩效应的分析方法,写出了混凝土桥梁的徐变、收缩时效分析有限元列式,并将此方法应用到曲线箱梁桥的时效分析中。5。
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Chapter two and chapter three mainly focused on education aiming towards efficiency in Japanese language at intermediate and intermediate-advance level.
本论文的第二、三章以高等、中等教育阶段的日语教育为研究对象,考察其设立经过、教育目标及课程设计等。
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For example, when intermediate calculations become larger than can be represented by a floating-point or an integer variable the intermediate result will be invalid.
例如,当中间的计算变得大过可以被floationg-point或整数变量所能代表时,中间结果将是无效的。
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First, considering the factor of unit gain space and the space limit, the common expression s of multiple views were selected out as the intermediate result, and the algorithm which was used to define the intermediate set was put forward. Then the algorithm of maintaining multiple views with this set was given. At last, the correctness and efficiency were given after the analysis and experiments.
首先,结合单位空间增益、空间限制等因素,选择多个物化视图的公共表达式作为中间结果,并提出了确定中间结果集的具体算法;其次,利用己计算出的中间结果集进行多个视图的维护,给出了具体的维护算法;最后,通过分析和实验证明了该算法正确且效率有显著提高。
- 推荐网络例句
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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.
另一方面,更重要的是由于城市住房是一种异质性产品。
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Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.
气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。
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You rap, you know we are not so good at rapping, huh?
你唱吧,你也知道我们并不那么擅长说唱,对吧?