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In the endoscopic views, the normal appearance of the pylorus is seen at the left, with the first portion of the duodenum at the right.

内窥镜图里可见正常的幽门在左边,十二指肠的起始部在右边。

Synthesis of target compounds namely: to vanillic acid as the starting material with methanol under reflux conditions for 4 - hydroxy -3 - p-methyl, then ether, and nitration, reduction, cyclization reaction 6 - methoxy -7 - benzyloxy-quinazoline -4 - one, and then by the chloride in place of aniline, benzyloxy-off, such as etherification reaction of the target compounds; target compounds with the second and third occurrence of substitution reactions of amines by the TM1, that is, 4 - amino-benzene -6 - methoxy -7 - [2 - hydroxy -3 -(N, N-diethyl amino) oxy c] quinazoline; with ether occurred Ornidazole reaction of TM2, namely, 4 - amino-benzene -6 - methoxy -7 - [2 - hydroxy -3 -(2 - methyl -5 - nitroimidazole) C oxy] quinazoline.

本论文以嘌呤类似物喹唑啉为母核,分别在其4位和7位引入结构多样的取代苯氨基和柔性侧链,设计了一系列4-取代苯胺基-6-甲氧基-7-(2-羟基取代丙氧基)喹唑啉类化合物。目标化合物的合成即:以香草酸为起始原料,与甲醇回流条件下得到4-羟基-3-甲氧基苯甲酸甲酯,然后经过醚化、硝化、还原、环合反应得到6-甲氧基-7-苄氧基喹唑啉-4-酮,然后再经氯化、取代苯胺、脱苄氧基、醚化等反应得到目标化合物;目标化合物与二乙胺发生胺取代反应得到了TM1,即4-苯氨基-6-甲氧基-7-[2-羟基-3-丙氧基]喹唑啉;通过与奥硝唑发生醚化反应得到TM2,即4-苯氨基-6-甲氧基-7-[2-羟基-3-(2-甲基-5-硝基咪唑)丙氧基]喹唑啉。

Methods Using 4-chloro-2-nitroaniline as a starting compound, followed by substitution, reductive cyclization, oxidation, and chlorination, to give the key intermediate 2,7-dichloroquinoxaline (7), which reacted with different phenolic compounds to afford quinoxaline derivatives.

方法以4氯2硝基苯胺为起始原料经取代、还原关环、氧化、和氯代合成了中间体2,7二氯喹喔啉(7),再在喹喔啉的2位引入不同的取代酚结构单元,合成了一系列共9个新喹喔啉衍生物。

Reverse Logistics is the reverse with the traditional supply chain, in order to restore or dispose of a reasonable value of raw materials, inventory between, the final product and related information from the consumer to the starting point for the effective conduct of the actual flows to plan, manage and control process.

逆向物流摘要英文翻译高手进!!!谢谢逆向物流是与传统供应链反向,为价值恢复或处置合理而对原材料、中间库存、最终产品及相关信息从消费地到起始点的有效实际流动所进行的计划、管理和控制过程。

C Beginning with 1 M concentrations of each reactant and product at pH 7, in which

c反应物和产物的起始浓度都是1M,pH7,下面的反应将会向哪个方向进行?

If it is said, as a rejoinder, that the activity of the Atman is variable, but that its substance t'i.

因缘所生法,一切无常,特别是心无常。而整个生命的起始、过程与归结,在六道轮回中都是无常的。

Room to move around or work freely .In DPPX, an address relative to the origin of a nested address space .

在分布式处理程序的执行程序中,与一个嵌套地址空间起始点有关的一个地址。

To occupy the same relative position or the same area in space .In DPPX, an address relative to the origin of a nested address space .

在分布式处理程序的执行程序中,与一个嵌套地址空间起始点有关的一个地址。

We keep an address list of two thousand address in europe.In DPPX, an address relative to the origin of a nested address space.

在分布式处理程序的执行程序中,与一个嵌套地址空间起始点有关的一个地址。

Space tracking,telemetering and command stationIn DPPX, an address relative to the origin of a nested address space .

在分布式处理程序的执行程序中,与一个嵌套地址空间起始点有关的一个地址。

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推荐网络例句

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力