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A recess is formed adjacent the continuous leading edge of the mating portion in line with the contact portion of at least one of the terminals.

凹槽在邻近配对部之连续引导边处制成,该凹槽与至少一电极的接触部对齐。

The flow field of cavity with fuel supply injection located at the forebody and afterbody in trapped vortex combustor was studied using particle image velocimetry testing technology.

采用PIV技术,对凹腔供油位置不同时凹腔内的冷态流场进行对比研究。

Properties of efficient portfolios and the efficient frontier to the model are systematically analyzed. Our main results concerning the properties are: every efficient portfolio can be solved by minimizing portfolio risk under a given level of portfolio return or by maximizing portfolio return under a given level of portfolio risk; on the efficient frontier, the risk is a convex and strictly increasing function of the return and the return is a concave and strictly increasing function of the risk; the utility function on the efficient frontier can be expressed as a quasi-concave function of the risk or the return if the investor's utility function is quasi-concave.

从理论上系统地对该模型下的有效投资组合和有效前沿的性质进行了分析,结果表明:每一个有效投资组合可通过在给定期望收益水平的条件下最小化投资组合风险来获得,或者在给定风险水平的条件下最大化期望投资组合收益来获得;在有效前沿上,风险是收益的严格单调递增凸函数,收益是风险的严格单调递增凹函数;当投资者的效用函数是拟凹函数时,则有效前沿上的效用可表达成风险或收益的拟凹函数。

The aromatic holding structure for dust collecting chamber inside vacuum dust collector includes concave holding notch in the bottom of the dust collecting chamber for holding antiseptic agent and aromatic, and top cover over the concave holding notch and with several ventilating holes for dispersing antiseptic agent and aromatic toward the dust collecting chamber.

本发明是关于一种真空吸尘器的芳香剂安装结构,特别是在收集本体中空气所包含的污物的集尘室内部安装芳香剂的结构。本发明的真空吸尘器(30)的芳香剂(40)安装结构,包括设置在尘袋(20)所在的集尘室(31)底部可放进抗菌剂及芳香剂的凹形安装槽(35)、安装在该凹形安装槽上部的可开闭的顶盖(37),以及形成在凹形安装槽(35)和顶盖上可开闭安装槽上部的开闭构件。

The thickness of the ice cover on the wall surface heat transfer is greater than the thickness of it on the air heat transfer form. The thickness of the ice cover on the wall surface heat transfer along the way changes slowly, but it on the air heat transfer along the way changes significantly. Reducing the entrance velocity, lowering the wall surface or air temperature, the formation of the thickness of the ice cover will increase; in the 3D circumstances, The thickness of the ice cover was relatively uniform in the import of the U-turn model, the ice cover was gradual accumulation in the convex bank when the stream traversed the import of the U-turn model, the thickness of the ice cover in the convex bank was significantly bigger than the thickness in the concave bank. The temperature field under the ice cover tends to be complex because of the existence of the secondary flows. The temperature in the convex bank is greater than it in the concave bank. Compared with the data from experiments, the laws in the numerical simulation are similar with them in the experiments

模拟结果显示:二维情况下,运用壁面传热形成的冰盖厚度大于运用空气传热形成的冰盖厚度,壁面传热形成的冰盖厚度沿程变化缓慢,而空气传热形成的冰盖厚度沿程变化明显,减小入口流速,降低壁面或空气温度等,形成冰盖的厚度都会增大;三维情况下,弯道入口处凸、凹岸形成的冰盖厚度基本相同,进入弯道后,凸岸形成的冰盖厚度逐渐增大,而凹岸的冰盖厚度逐渐减小,受横向环流的影响,冰盖下水流的温度场趋向复杂,并且凸岸的温度小于凹岸的温度;与实验室实验所得数据相比较,数值模拟研究得到的规律基本符合实验规律。

According to character of web below 100gram , we used the optimum project continuing to print on web with gravure printer which can high speeded and steadily gelatinize lik e gauze wire .

根据100g以下卷筒纸的特性,利用凹版印刷机连续快速印刷的特点,其又具有网线凹版上胶均匀的优点,在凹版印刷机上进行卷筒纸连续印胶的实践,不失为一种最优化的设计。

The accumulation of the ovalization for the first case is much faster for the deeper depth than that for the less shallow depth. However, the change of the width does not influence on the ovalization-curvature curve for the second case.

当在固定凹槽宽度且不同深度的情况下,凹槽越深,成长的速度累积椭圆化量较快,而在固定凹槽深度且不同宽度的情况下,不同宽度对椭圆化的变化并没有太大的影响。

Results indicate:(1) The newly developed simulation technology can form fairly average and easily controllable back pressure downstream the inlet, so it can he used to investigate the back pressure characteristics of hypersonic inlets.(2) By regulating the valve of injection pipe, the simulation technology can realize the switch of hypersonic inlet started state and unstarted state in about 8 milliseconds, so it is suitable to investigate the starting/unstarting/resarting problem of hypersonic inlets.

结果表明:(1)所提出的凹腔喷流技术可在进气道下游形成较为均匀的、可控的背压环境,因此可用于进气道的反压特性研究;(2)适当调节凹腔的喷流总压,并在实验中实时控制阀门的开度,凹腔喷流技术能够在较短的风洞实验时间内(约8s)实现进气道起动、不起动、再起动流态之间的切换,因此可用于进气道的不起动/再起动特性研究。

When the bottom plate side syndiospecific lower than a sizzling, drawing pressure ball left, paper will go on there which would in turn low-speed machines brace will receive the same fault because plate following fulcrun is the eccentric shaft, corrected, you can add the eccentric shaft, convex to reverse some of the panels to fan-shaped with a sizzling plane are equal to the maximum State, low-speed machines la along two concave iron support, you can set the concave iron spare, Planer to some, is equal to the thickness to brace the distance below the iron plate plane, the installation at a later time.

当侧规底部扇形不活矮于铁不活立体时,不推纸压球压下去此后,纸弛不离会出不隐凹下下去不隐象,矮速机的不推条也会出不隐同样的障碍,因为扇形不活底下的支点是公道小轴,在校侧时,可以不兵公道小轴的凸背回旋一些,调度到扇形不活背同铁不活立体不等为最好状况,矮速机的不推条是由二块凹形铁撑持,可以不兵凹形铁拆上去,用刨床刨去一些,刨去的厚度即是不推条矮于铁不活立体的间隔,安设此后再举不静调度。

The wire winding wheel has one left disc with two sections of circular wall to form the power cable inlet and embedding opening and positioning hole in the peripheral of the shaft pipe; one right disc with central shaft pipe, positioning expansion pipe capable of being inserted into the positioning hole and circular wall in the same radius as that in the left disc; and one power cable winding shaft inserted into the circular walls to form one integral and with power cable inlet.

本发明在左内凹盘的反面圆台上相对位置突出2段弧形围壁,成为电源线导入口和对侧的嵌入豁口,轴管外围分设定位孔;右内凹盘反面圆台中央也突出轴管,其外围对应定位孔的位置上设置可插入孔内的定位胀管,环设的环围壁与左内凹盘的反面圆台上弧形围壁对应等径;嵌入围壁插入嵌入豁口而成为一体的设有电源线导入口的绕线轴。

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