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A series of 3--1,2,3-triazolo[4,5-d]pyrimidin-7-ones were synthesized via the tandem Aza-Wittig reaction annulation.

用串联的氮杂Wittig关环反应合成了一系列3--1，2，3-三唑[4，5-d]嘧啶-7-酮。

In this thesis, a convenient and efficient synthesis of highly functionalizeddihydropyrido[2,3-d]pyrimidines via a double [5 + 1] annulation strategy startingfrom easily available α-alkenoyl-α-carbamoyl ketene--acetals 1 and cheapreagents (NH4OAc, DMF, and POCl3) has been developed.

本论文探索了一种简便有效的合成高度官能化的二氢吡啶并[2，3-d]嘧啶的方法，此方法由易得的α-乙酰基-α-氨基乙酰基二硫缩烯酮1和便宜的试剂(醋酸铵，二甲基甲酰胺和三氯氧磷)通过两步[5 + 1]加成而实现。

We don't provide anonymous ftp access, after your purchase the hosting plan, you can create ftp users by yourself via control panel

我们不提供匿名FTP权限，如果你购买了这款，你可以在控制面板中自己添加FTP帐号

Malaria is caused by a parasite called plasmodium, which is transmitted via the bites of infected anopheles mosquitoes.

疟疾是由疟原虫引起，通过蚊虫叮咬传播的寄生虫病。

After a long crossing from 2Ushuaia heading 3due east via the 4Falklands , I was able to experience the beauty of Antarctica: 5South Georgia , inside the Antarctic Circle but as green as it is white, and as interesting for its human history as for its inhuman isolation.

经历了从乌斯怀亚直接向东穿越福克兰群岛的漫长航程之后，我得以体验到南极之美：南极圈内的南乔治亚岛既白雪皑皑，又郁郁葱葱，它的与世隔绝和人迹历史同样引人入胜。

RESULTS: Under both halothane and isoflurane anesthesia, increasingthe dose from 0.8 to 1.2 minimum alveolar concentrationhad no significant effect on heat-evoked responses in neuronsthat had ascending projections identified via antidromic stimulation or those without ascending projections.

结果：用氟烷和异氟醚麻醉，分别增加剂量， MAC 从0.8增加到1.2，相比于逆行刺激或没有上行投射，含有上行投射的神经元并没有明显影响热诱发反应。

METHODS Antiemetic Ondansetron was synthesized from 1,2,3,9-tetrahydro-4H-carbazol-4-one via N-methylation,Mannich reaction and condensation.

方法以1，2，3，9四氢4H咔唑4酮经N甲基化、Mannich反应和缩合得止吐药昂丹司琼。

We propose an outpatient procedure under local anesthesia for the correction of prominent ears. We fold the antihelix with an anterior scoring method via posterior approach. The cartilage is preserved to avoid a sharp antihelical fold, and the scar is concealed in the posterior auricular sulcus. All patients had satisfactory correction of the deformity and yet no significant complication.

我们经由耳朵后将对耳轮软骨前表面作一个网状的雕刻，然后将之向后翻转作为新的对耳轮，可以避免软骨切除后所产生不美观的转折，避免产生两耳不对称的情形，术后没有血肿或皮肤坏死的并发症，手术所产生的疤痕隐藏在耳朵后面，所有的病人对手术结果都很满意。

We propose an outpatient procedure under local anesthesia for the correction of prominent ears. We fold the antihelix with an anterior scoring method via posterior approach. The cartilage is preserved to avoid a sharp antihelical fold, and the scar is concealed in the posterior auricular sulcus. All patients had satisfactory correction of the deformity and yet no significant complication.关键词 prominent ears , otoplasty

我们经由耳朵后将对耳轮软骨前表面作一个网状的雕刻，然后将之向后翻转作为新的对耳轮，可以避免软骨切除后所产生不美观的转折，避免产生两耳不对称的情形，术后没有血肿或皮肤坏死的并发症，手术所产生的疤痕隐藏在耳朵后面，所有的病人对手术结果都很满意。

In Chapter 3, via numerical simulation,we discuss the in-phase and antiphase synchronization phenomenon of the neural networks.

第三章主要是用数值模拟的方法阐述神经网络在不同耦合结构下产生的同相同步和反相同步现象。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失