查询词典 comparison method
- 与 comparison method 相关的网络例句 [注:此内容来源于网络,仅供参考]
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By using Floquet theory, Comparison theorem of impulsivedifferential equation and analytic method, we investigate the dynamics of thesystem in detail.
通过利用脉冲微分方程的Floquet理论和比较原理,证明了当脉冲周期小于某个临界值时,系统存在一个全局渐近稳定的害虫根除周期解,最后给出了系统持续生存的条件。3。
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The article thinks, have a state between the comparison of labor productivity, accurate computational method ought to be the formula with computational capital productivity same, investment yields to all use index of magnitude of value.
本文认为,进行国家之间劳动生产率的比较,正确的计算方法应当是和计算资本生产率的公式一样,投入产出均使用价值量指标。
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For this complex 3D flow field with rotation and backflow, a numerical method was established. The computative results agree with the experimental one. By comparison it is shown that they have the similar flow field shape, and their parameters have the accordant changing trend.
最后使用商业软件Fluent模拟计算了该旋转与回流并存的三维复杂流场,计算得到的流场形态和试验结果基本相似,各参数和对应的测量值具有一致的变化趋势。
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Comparison was carried out to the conductance of copper graphite material made with traditional method.
为了改善金属石墨电刷的滑动磨损性能,在其中添加少量的铅、锡等低熔点金属是常用的方法[1] 。
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The structure feature of the sensor was described in comparison with the classical Stewart platform-based six-component force sensor.By using the finite element method,the elastic dynamics theoretical model of the sensor was established based on the conditions of displacement consistency and force balance.According to this model,the numerical analysis was carried out,and the variety relationship curves between the natural frequencies and the structural parameters are plotted.
描述了该传感器相对于经典Stewart平台六维力传感器所具有的结构特点;利用有限元法,采用位移协调和力平衡条件建立了传感器弹性动力学理论模型,依此模型进行数值分析,绘制了固有频率与各结构参数间变化关系曲线;并利用ANSYS软件建立了传感器有限元模型,进行了振动模态分析,得到其固有频率和振型。
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In comparison with other methods, this method has the advantage of small computer time consuming.
同时,与同类研究方法相比,该方法有计算量小的优点。
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The properties of the material and the operation method are also described in this paper, The advantages of the new matiral become more obvious, in comparison with other methods which are usually used in cranioplasty.
对该材料的性能及手术方法作了介绍,对几种不同的颅骨修补材料作了比较,认为该材料的突出优点是力学性能好,化学性质稳定,组织相容性好。
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Sensitivity comparison between the novel one-step RT-PCR and DAS-ELISA for PVX revealed that the former method was 20 times more sensitive than the later one. The novel one-step RT-PCR system was also successfully tested with field samples of turnip mosaic virus in 8 different crucifer vegetable crops.
为验证该设想,本研究建立了一步RT-PCR技术扩增体系,并利用该体系扩增和分析了国内几种蔬菜作物部分CMV分离物的2b基因序列同源性,选择特定分离物的全长2b基因,先利用PVX侵染性载体初步分析其正义和反义序列间的互作,再构建植物表达载体转化烟草和番茄,并研究转基因烟草抗CMV的表现,获得了抗CMV的转基因烟草植株。
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A comparison between the numerical analysis by arc-length method and the test results shows good agreements in ultimate loads and moment- cubature relational curves.
进行了单调加载和反复加载截面的非线性分析,并与试验进行了对比,理论分析和试验结果吻合良好。
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To control the corrosion of chlorinated paraffin oil, the method using a long-chain cyclic oxygenated compound to protect Cl〓 was proposed. Their ER effects were investigated for comparison.
采用长脂肪链环氧保护法,对ER悬浮介质—氯化石蜡油中的游离氯进行了保护,对比研究了氯化石蜡油被保护前后的ER性能。
- 推荐网络例句
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Fancy gold-plated dangling earrings with facetted White Opal crystals.
花式镀金悬垂耳环与facetted白欧泊水晶。
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This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.
本文选取石家庄市初中生物教师作为研究对象,运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查,调查结果发现,石家庄市初中生物教师这一群体普遍存在职业倦怠,情感枯竭程度偏高,成就感偏低,去个性化程度最为严重。
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In measurements of a day,generallyspeaking,the photosynthesis of birch in mesophytic habitat is better than that in xerophytichabitat(peak values are 12.8,10.33μmolCO2m-2s-1 respectively);that of sexual birch inmesophytic habitat is better than that of clone birch(peak values are 9.87,6.71μmolCO2m-2s-1respectively);that of young tree is better than that of seedling(peak values are12.37,10.05μmolCO2m-2s-1 respectively).
在一天中的各个时刻,总体说来,中生生境生长的白桦光合作用超过旱生生境生长的白桦光合作用(净光合速率峰值分别为12.8、10.33μmolCO2m-2s-1);白桦幼树的光合作用超过白桦幼苗(净光合速率峰值分别为12.37、10.05μmolCO2m-2s-1);中生生境有性白桦的光合作用超过无性白桦的光合作用(净光合速率峰值分别为9.87μmolCO2m-2s-1、6.71μmolCO2m-2s-1)。