根据实验的
- 与 根据实验的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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We may more understand how character of grass hand to be watched is on earth.so that we must check our tentative via experiment.in other words,we contact relevant theory with concept about grass hand experience.but so that we must create idea of grass hand with this or that theory.
我们进一步阐明,草书可观察的特性的根据实际上究竟是如何的。为此必须通过实验对每个假说进行检验。换句话说,就是把相应的理论概念与前面所说的关于草书的经验概念联系起来。但是,为此必须创立与这个或哪个理论概念相应的关于草书的表象。
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Based on this relationship, we can change the Tg of starch by changing its molecular weight to meet the pratical needs.The DSC technique is used to estimate the consistence character of starch with different additives. The glass transition behavious of starch blended with water and Xanthan gum are examined respectively. An expirical expression is obtained for the Tg of starch blendee with additives according to the blending model of polymers and verified with the experimental results. This expression can be used as a base to predict the Tg of starch blended with Xanthan gum.
采用DSC曲线分析法进行了各种填加剂与淀粉的相容性试验,考察了淀粉分别与水和黄原胶共混后体系的玻璃化转变行为,并根据高分子聚合物的共混模型对糯米淀粉与黄原胶共混物的玻璃化转变进行拟合,得到适用于此体系的经验关联式,并应用玉米等淀粉与黄原胶共混后的实验值进行验证,得到该关联式的有效性,为预测淀粉与黄原胶共混后的玻璃化温度值提供了理论依据。
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To resolve this problem, according to the robotic theory, the paper suggests to get the moonquake waves in the horizontal plane coordinate in which the reference direction is the north pole of the moon by coordinate rotation transforming from the moonquake wave measured in the oblique coordinate.
在无人登月探测中,为免使月震计的投放装置过于复杂,也为减小月震计系统的重量、体积和功耗,以及增加系统工作的稳定性和可靠性,不给月震计增加机械的水平和定向调节装置,本文根据机器人理论,通过旋转变换,论证了可以从倾斜、非定向安装的月震计观测到的月震波得到以月球北极为参考方向的水平坐标系的观测,并从实验上作了部分验证,从而为这一难题的解决找到一条可行的探索途径。
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Frigon was chosen as the experimental, According the quality of the heavy oil materials which have high oil content and low sericin content, technical conditions were initially set at the level of low pH value 、low temperature and enforced presoaking process. And then, these surfactants and builders were chosen to test in the presoaking and refining process, getting some kinds of surfactants with lowest oil content on refined waste silk. Following that, they were tested for best oil-removing effect in mixture.
实验中,选择了滞头原料为试验原料,根据绢纺愿料冶胶量低,含油量高的特点,初步确定了低pH值、低温和加强预浸的工艺方案,然后对所选的各类表面活性剂和助剂进行了预浸、精练工艺试验,从中选出较好的几个品种进行不同类型的复配试验,在复配的基础上试验工艺条件—温度、时间、碱用量对残油率、残胶率的影响确定小样最佳工艺。
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At first, the rought C〓F〓 mixed gases are obtained by pyrolysis process of R22. A experimental pyrolysis device is designed and made by ourself. The optimum operating conditions are offered in the paper. Secondly, the much efforts is on the synthesis of R134. After through the discussion of basic thermodynamics and kinetics, selecting and preparating catalyst, it is possible that the synthesis of R134 by pyrolyzed gases hydrogenation. Base on the character of catalytic process, the kinetics equation about C〓F〓 catalytic hydrogenation is established. The rate constant of the reaction is obtained through experiment data regression. In order to achieve higher yield of R134, some optimum technological conditions is determined.
论文首先对R22裂解制成四氟乙烯混合原料气的裂解过程进行了讨论,自行设计和制作裂解反应装置,并确定裂解反应的最佳操作条件;然后,重点对R134的合成进行基础研究,分别从热力学和动力学的角度探讨以含四氟乙烯的R22裂解混合气为原料合成R134这一全新工艺的可能性,选择和制备加氢催化剂,根据催化过程特点建立四氟乙烯催化加氢反应的总包动力学方程,并在此基础上自行设计和制作中试合成装置,获得了以裂解混合气为原料合成R134的最佳工艺条件,为R134的工业化生产提供了必要的理论依据和实验基础。
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According to the function of distributed emulator, optical information processing and image multi-object tracking system, the following three aspects were emphasized in this dissertation. Firstly, a vast virtual terrain, ground radar models and canyons were created for the distributed emulator with modeling software Creator. The radars were driven to scan during emulating and the real time terrain code was sent to Radar module. Secondly, an optics channel simulating the optics camera of a virtual aircraft was implemented with simulating software Vega. The 2-D information got from the channel was translated and sent to multi-sensor information fusion system as an optics information source. Thirdly, the dissertation studied some motion estimation methods and analyzed the factors which influence the speed and the precision of the block matching algorithms. Then an improved block matching method was proposed for image multi-object tracking system and applied in the system combined with frame difference method.
论文根据多传感信息融合实验系统中的分布式飞行仿真系统、光学信号处理器和图像多目标跟踪系统三个子系统的功能要求,具体完成了以下三方面的工作:首先利用建模软件Creator创建分布式飞行仿真系统中的大面积地形、场景中的地面雷达模型和峡谷地形,并在仿真过程中实时驱动雷达模型的扫描,同时为后续雷达仿真模块提供实时地形编码;其次利用仿真软件Vega,在分布式仿真系统中为光学信号处理器设计实现了光学通道,模拟飞行器的光学摄像机的功能,并且对由此通道获得的目标二维光学信息进行转化处理,作为光学信息源发送给后续的多传感信息融合器;最后针对图像多目标跟踪系统,在研究图像分割运动估计算法的基础上,通过分析影响块匹配算法速度和精度的因素,改进了块匹配运动估计算法,结合差分法可应用到目标跟踪系统中。
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At first, in this paper the background and basic principle of VoIP are introduced; the much popular VoIP technology based on H.323 protocol is studied; based on the function and main working process of IP telephone system, the principle of coding of compression and transfer technology of the real-time voice are analyzed; depended on the existed experimental environment, the program of voice part of PC to PC video telephone terminal based on LAN is designed and implemented; and the problems encountered during the design of program have been analyzed and solved.
本文首先介绍了IP电话的发展简史,IP电话技术原理;对目前最为流行的基于H.323协议的VoIP技术进行了研究;根据IP电话系统的功能和主要实现过程,分析实时语音压缩编码技术和传输技术原理;利用实验室现有的实验环境,设计并基本完成了一种基于局域网的PC to PC可视电话语音部分的编程;并对程序设计过程中所遇到的问题进行了分析和解决。
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delta ; resistances of movable bed ; intensity of stream flow ; dunes ; ice lid
较全面揭示冲积性河流阻力关系的H·A·爱因斯坦,他根据床面泥沙的运动影响与水流强度之间的关系及水体能量的分配、传递方式,把冲积性河流的阻力分成以下几个单元:沙粒阻力、沙垅阻力、河岸阻力、河槽形态阻力等,并通过水槽实验和野外实测资料的分析验证,提出了明渠水流阻力的可加性原理[1-2]———水流总阻力等
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In addition, the blank holding force that is required to avoid wrinkle and rupture during conical part deep drawing is researched. The necessity of reasonable blank holding force in pressing is expounded. From the view of mechanical analysis, the wrinkle critical condition of side-wall is derived for the first time by the stress state of side-wall, the main deformation region on blank. According to the critical condition of plastic instability for flange, side--wall, corner of punch on blank, The blank holding force in conical part deep drawing is divided into four different regions within its forming figure. The basic principle of reasonable blank holding force during stamping is summarized and provided. The mathematical model of reasonable blank holding force that avoids the wrinkle and rupture is established and verified by the finite element numerical simulation and the grid experiment method. The result shows that it is accurate and reliable.
此外,本文还研究了圆锥形件拉深成形过程中,随着拉深变形过程的进行,毛坯为避免产生起皱、破坏缺陷而对压边力的需求情况,阐明了圆锥形件拉深成形过程中压边力合理变化的必要性;由毛坯主要变形区悬空锥壁部分的受力变形情况,从力学分析的角度,首次推导得出了圆锥形零件悬空锥壁起皱失稳的临界条件;并根据主要变形区法兰、悬空锥壁及凸模圆角部分的塑性失稳临界条件,在其成形范围图中,将圆锥形件成形过程中的压边力划分为四个区域;总结并提出了圆锥形件成形过程中压边力合理变化的基本原则;建立了防止起皱、破坏缺陷产生的压边力合理变化的数学模式,并得到了有限元数值模拟及网格实验法的验证,证实了理论分析结果的正确性和可靠性。
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It transforms the subtractive image from RGB color space to SRG color space. The experiment shows that it is efficient to segment the shadow with the moving vehicles.Secondly, in the vehicle classification module, we process the subtractive image by the morphological filtering and connected component labeling, obtain the figure and position of moving vehicle, and decide the characteristic vectors.At last, two vehicle classifiers are designed, one is the RBFNN classifier based on fuzzy K-means clustering, the other is the RBFNN classifier based on immune algorithm.
在车型分类方面,首先对差分图像作形态学滤波和区域连通处理,得到运动车辆的位置和轮廓,根据分类标准提取出车型分类所需的特征向量,然后分别用两种方法设计出车型分类器,一种是基于模糊K-均值聚类的RBF网络车型分类器,另一种是基于免疫算法的RBF网络车型分类器,通过在相同环境下的实验对比分析,基于免疫算法的RBF网络车型分类器在分类准确性和速度方面都优于基于模糊K-均值聚类的RBF网络车型分类器。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。