查询词典 synthetic

The establishment of synthetic evaluation model of self-propelled gun is based on fuzzy synthetic evaluation method of AHP.

自行火炮综合评价模型的建立，基于层次分析法的模糊综合评判法。

During these years (1997-2000) in the research area of annonaceous acetogenins 5 natural products and a number of chiral-pure analogs of annonaceous acetogenins have been synthesized using sugars as the starting materials. Their high activity and selectivity against cell line of colon tumor and a relationship between activity and configuration have been found too. In the respect of inhibitor of sialidase two new methodologies for the synthesis of chiral-pure 3-deoxy-ulosonic acid using hetero-Diels-Alder reaction or asymmetric propargylation as the key reaction were developed. On the topic of anti-leukemia marine natural product clavulactone a synthetic method based on the free radical cyclization and starting from sugar has been developed. In other title of PKC inhibited agent sphingosine a new synthetic route with SN2' as the key reaction has also been disclosed.

项目期间（1997-2000）在番荔枝内酯方面从糖出发合成了五个天然产物和一批手性纯的类似物，它们对肠癌细胞有很高的活性和选择性，并与构型有关；在唾液酸酶抑制剂方面发展了二类全新手性纯高碳糖的合成方法－杂原子D－A反应或丙炔基不对称加成为关键的反应；抗白血病海洋天然产物群柱虫内酯方面研究了由糖出发和自由基环化反应的合成方法；对PKC 起抑制作用的鞘氨醇方面也开创了新的合成途径－由糖出发并以SN2'反应为关键反应。

Chapter three describes two compounds of stannum and includes their synthetic methods, synthetic routines and reactivities. They have been identified by X-ray diffraction study.

第三章阐述了两个锡化合物，简要说明了它们的合成方法、路线及反应性，对其进行了结构表征，并分别做了X-射线晶体结构分析。

The significance of synthetic staple fiber s for the nonwovens industry and the manufacture of the two most important synthetic staple types for nonwovens are summarized.

概述了合成短纤在非织造工业中的意义及非织造工业中应用最广泛的两种合成短纤的生产。

If computer power continues to increase as it has, within five years we'll see a character created by releasing synthetic behavior into a synthetic body star in a film.

如果电脑的运算能力像现在这样继续增强下去，在5年之内，我们就可以在电影中看到通过将合成行为释放到合成身体上创造出来的角色在电影中担当主角。

In this paper, synthetic gems (synthetic star sapphire and emerald) and natural gems from various locations including natural sapphire from Thailand and Australia, and...

研究中选择了不同地区的蓝宝石，对人工合成星光蓝宝石、天然海蓝宝石及人工合成祖母绿矿物中的包裹体进行了研究对比。

Secondly, the author has set up the Factor Set, Factor Weight Set, Evaluation Set and Evaluation Matrix based on the Fuzzy Mathematics, therefore the quantification of expert's experiences is solved. Following the example of product design procedure consisting of designing, collating and checking, the Two-stage Fuzzy Synthetic Evaluation has been established in order to supply the evaluating method of design quality for drawing die-face. After two times of eligible analysis above, the synthetic optimizing design of geometry, material and process can be done with simulation.

以模糊数学为基础，通过确定影响覆盖件拉延模型面设计的因素集、因素权重集、备择集和评判矩阵，解决了专家设计经验知识的量化问题，并建立二级模糊综合评判方法，据此设计、校对、审核等技术人员可以共同对拉延模型面设计质量进行优劣评判和修改；在前面二次分析合格的基础上，利用有限元仿真技术进行几何、材料、工艺多因素综合的优化设计。

Synthetic rubber of the modern world's most important, one of the three synthetic materials.

合成橡胶是现代世界上重要的三大合成材料之一。

Organic chemicals in synthetic fibers, synthetic rubber and other fields have a very wide range of uses.

有机化工合成纤维，合成橡胶等领域都有着十分广泛的用途。

To better fit the lower amplitude P waveform, we employed two different weights for the P wave and surface wave arrivals, respectively. A grid search method was employed to find the strike, dip and slip of the earthquake that best fit the three-component records of P and surface waveforms recorded (the tangential component of the P-wave arrivals was not used). Synthetic waveforms were computed with an F-K method. Two crustal velocity models were used in the synthetic calculation to reflect a rapid east-west transition in crustal structure observed by seismic and geological studies in the study area.

为了更好地利用信号相对较弱的P波信号，对于一个地震记录，本文分别截取出P波和面波两个部分，分别给予不同的权重进行反演，结合格点搜索的方法，得到了与记录P波及面波三分量对应较好的地震的方位角、倾角和滑移角。

Last year I discovered he was constipated.I used the epsom salt and within an hour he was unblocked.A few days ago I noticed he was very agitated,bloated and no waste for two days.

去年，我发现他是constipated.i用泻盐，一小时后，他被unblocked.a前几天我发现他非常激动，臃肿，并没有浪费两天。

Mark Twain once said,"Golf is a good walk spoiled," and although many a duffer has spent a frustrating couple of hours on the links, few actually die as a result.

马克吐温曾经说过：高尔夫把好好的散步给毁了。