查询词典 synthetic

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。

In accordance with the technological difficulties encountered in the process of insulation supervision based on the Dissolved Gases Analysis,several kinds of model and method are presented to improve the reliability and precision of fault diagnosis of the power transformer. Main research content includes:By deeply studying the common transformer faults diagnosing methods,such as three-ratio methods and improved electrical committee agreements,several shortcomings such as uncertainness judgment when the fault reasons,phenomenon and principles come out together while can not consistent to each other etc. For this reason,the old methods can not fully meet the need to engineering practical application.Considering fuzzy relationship matrix can fully represents the causality between fault symptoms and fault types,when diagnosing complex equipments with multiple symptoms and fault causes such as power transformer,a synthetic fuzzy diagnosing model is firstly proposed to diagnose transformers insulation faults based on DGA in this paper. Meanwhile,by further study the character of fuzzy factors,aimed at correcting the defects in classifying fuzzy sets of common fuzzy judgment,a method are put forward by unifying fuzzy synthetic diagnosis and fuzzy principle reasoning.

本文针对应用油中溶解气体分析方法进行变压器绝缘监督时所遇到的主要技术难点，提出了提高变压器故障诊断的准确性、可靠性的几种模诊断方法，主要研究内容有：通过对判断变压器故障常用的三比值法和改良电协研法的深入分析，其诊断准确率较高，但对故障原因、故障现象和故障机理间同时存在不确定性和模糊性的变压器等电气设备的故障诊断，难于满足工程应用的需要；在处理变压器等结构复杂设备的多症状、多原因故障诊断时，模糊关系矩阵可以全面反映这种症状与故障类型间的因果关系，进而提出了变压器故障诊断的模糊综合诊断模型；同时作者还深入分析了模糊算子的特性；针对常用的模糊评判结果的模糊集的集化方法的不足性，提出了将模糊综合诊断与模糊规则推理结合起来进行故障诊断的方法，能达到较好的效果。

The descriptions of 300V and 8100 X-lite have only uninformative words about "100% Synthetic - Double Ester Technology" or "100% Synthetic - Ester Based", but how much esters contained in motor oils exactly?

在300V和8100 X-lite的包装说明上有著不太资讯化的字眼有关100%合成油-双酯科技或者100%合成油-酯类基础油，但有多少比例的酯类在这机油内呢？

Methods According to the synthetic situation of vanillin recently, main synthetic process are both narrated and appraised.

根据目前合成状况，对香兰素的主要合成方法进行叙述和评价。

By using the nonlinear PCA, the obtained principal synthetic components are used to replace the original index and the synthetic evaluation value is gained by computing linear sum of the variance contributing ratio which is used as the weight.

利用该方法对监测点的电能质量进行综合评估，用得到的综合主成分指标代替原来较多的评估指标，将主成分的方差贡献率作为权重，以主成分的线性加权值作为综合评估的结果。

In this model, a parameterized method has been employed to decrease or eliminate vertical deflection and vertical refraction errors.4 For the long baselines of Crustal Movement Observation Network of China, using the GPS satellites orbits and stations positioning analysis software GAMIT opened up by MIT to do the single day GPS observation data processing, a synthetic solution model, which is called "the synthetic solution model of baseline vectors", has been built up with several single day baseline vectors calculated by the GAMIT software, to compute the three dimension movement velocities of sites.

对于长基线的GPS地壳变形监测网，采用MIT开发研制的精密GPS定轨定位软件GAMIT进行单天GPS观测数据的处理，提出了利用多期单天的GAMIT解算出的基线向量进行综合解算的模型："基线向量综合解算模型"，用以计算地壳监测站点的漂移速度，并通过实例验证了该计算模型的正确性和可靠性。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。