长寿命的

Hydrostatic transmission is widely used in construction machine. The research of one of its hard cores, low speed high torque radial piston motor, is very important. To directly estimate the life of this kind of motor, and to design a orbit curve with the longest life at same condition, this paper gives theoretic research of the equal contact stress inner curve of radial piston motor. The research is divided into four parts:1 Taken all forces the piston endured into consideration when radial piston motor working, the force between roller and orbit is deduced.

静压传动技术在各类工程机械中得到广泛的应用，对作为其核心部件的径向柱塞式低速大扭矩液压马达的研究显得十分重要，为了能直接对这种马达进行寿命估计，并能在相同工况下求得寿命最长的轨道曲线，本文从设计等接触应力内曲线的角度对这类马达作探讨性的研究，主要从以下四个方面进行：(1)综合考虑径向柱塞式液压马达工作时的各种主要受力状况，对柱塞组件进行受力分析，并通过仿真分析影响轨道和滚动体间正压力的各个因素，得到正压力的简化表达式。

The netizen on the tradition thinks " the trojan website with existence longer time is fiercer ", actually according to statistic, in the 10 big websites hanging a horse first quarter, life is the longest is 5 days, the shortest only 1 day.

传统上网民以为"存在时间越长的木马网站越厉害"，其实根据统计，第一季度的十大挂马网站中，寿命最长的是5天，最短的仅1天。

The netizen on the tradition thinks " the trojan website with existence longer time is fiercer ", actually according to data statistic, in the 10 big websites hanging a horse first quarter, life is the longest is 5 days, the shortest it is 1 day merely.

传统上网民以为"存在时间越长的木马网站越厉害"，其实根据数据统计，第一季度的十大挂马网站中，寿命最长的是5天，最短的仅仅为1天。

Tabaci was the shortest (19.3 d) on hairy gourd and the longest (29.0 d) on bitter cucumber, the survival rate from egg to adult was the highest (92.85%) on cucumber and the lowest (53.08%) on bitter cucumber, the laid eggs were the most (187.4 eggs per female) on cucumber and the least (30.0 eggs per female) on bitter cucumber, and the longevity was the longest (25.2 d) on cucumber and the shortest (10.9 d) on bitter cucumber. The intrinsic rate of increase r(subscript mon cucumber, hairy gourd, bitter cucumber, and sponge gourd was 0.1453, 0.1429, 0.0616, and 0.1055, respectively.

结果表明，B型烟粉虱在节瓜上的世代发育历期最短，为19.3d，在苦瓜上的世代发育历期最长，为29.0d；世代存活率在黄瓜上最高，为92.85%，在苦瓜上最低，为53.08%；平均单雌产卵量在黄瓜上最多，为187.4粒，苦瓜上最少，为30.0粒；雌成虫寿命以在黄瓜上最长，为25.2d，在苦瓜上最短，为10.9d.B型烟粉虱在黄瓜、节瓜、苦瓜和丝瓜上的内禀增长率r(下标 m分别为0.1453、0.1429、0.0616和0.1055。

Although some bartenders add a dash of cream to the recipe, this is mistaken: it is an attempt to give the same creamy color and texture to a Pina Colada made with coconut syrup (very popular in bars due to its low cost and long shelflife) as opposed to the recipe made with coconut cream, quite unpopular in bars due to its higher cost and shorter shelflife.

也有一些调酒师再配方里加少量的奶油：它是尝试让奶油与椰子糖浆制成的与皮娜可乐达有一样的颜色和纹理，这是错误的（由于它的低成本和柜台寿命长，所以在酒吧里很流行）。相对与上面所述的椰子奶油的配方，因为它的高成本和柜台寿命短暂，所以在酒吧里不流行。

The link plates manufactured by using high-precision friction press ensures long wear life and high fatigue strength of chain joint links, and special medium-frequency heater ensures the highest hardness, thickest hardfacing layer and longest wear life of chain pin surface and avoids sudden breaking of chain pins due to the impact force.

专用的铰孔技术确保了链条链板的节距与孔径的统一性；精密摩擦压力机锻制的链板确保了链条链板的高耐磨寿命与高抗疲劳，专用的中频加热设备确保了链条销轴表面的最高硬度与最替代日本链条的高速板链链条深的硬度层、最长的耐磨寿命，避免了链条的削轴的冲击突然断裂。

Electrochemical supercapacitor is a new energy storage equipment and component between batteries and electrostatic capacitors, which has higher energy density than that of electrostatic capacitor, higher power density than that of batteries, long-cycle life and wide-temperature range. It can be applied into many fields such as hybrid electric vehicle, mobile telephone and microcomputer.

电化学超级电容器是一种介于蓄电池和常规电容器之间的新型储能设备及器件，它具有比常规电容器更大的比能量、比蓄电池更大的比功率、长循环使用寿命长和使用温度范围宽等特点，它在混合电动汽车、移动电话、微机等众多领域内有广泛应用前景。

The Yongjia County great wild goose China valve Limited company is situated at the good communications superiorly, the humanities environment "township of the Chinese pump valve"- the cup northern town, this company specialized production seals the ball valve, the biased half ball valve hardly, low, high-pressured plate gate valve, oil field special-purpose valve, throttle cut-off valve, high-pressured check valve's specialized enterprise.

该系列阀门具有密封性能可靠、启闭力矩小、具有抗硫耐磨、使用寿命长、可通毛球清扫管线等特点；适用水、石油、天然气、蒸汽等非腐蚀性和腐蚀性介质的管路系统中作启闭装置，特别适用于石化、油、气、长输管线等领域。永嘉县鸿华阀门有限公司地处交通便利，人文环境优越的&中国泵阀之乡&-瓯北镇，本公司专业生产硬密封球阀、偏心半球阀，低、中、高压平板闸阀、油田专用阀，节流截止阀，高压止回阀的专业企业。

Technological superiority:"saving energy, reducing dust, green environmental protection" is our consistent goal of scientific research personnel through the company's unremitting efforts, we developed extruded fish meal, blood meal, feather meal production line with the traditional processing methods than with less equipment investment, processing low-cost, non-polluting process, product palatability, and high rate of digestion and absorption characteristics; Extruder screw, gas plug, such as the service life of wearing parts is a measure of the merits of Extruder key performance indicators, U.S. Extruder wearing parts and the use of special wear-resistant material with a special deal with the characteristics of long life; we develop SJWK-type feed processing equipment Hebei Feed Industry Association recommend designated as high-quality products and by patent country.

技术优势：&节能降耗、减少粉尘、绿色环保&是我们一贯追求的目标，经过公司科研人员的不懈努力，我们开发的膨化鱼粉、血粉、羽毛粉生产线与传统加工方法比具有设备投资少、加工费用低、加工过程无污染、产品适口性好、消化吸收率高等特点；膨化机的螺旋、气塞等易损件的使用寿命是衡量膨化机性能优劣的关键指标，我们的膨化机易损件采用特种耐磨材料并经特殊处理，具有寿命长的特点；我们开发的SJWK型饲料加工设备被河北省饲料工业协会指定为名优推荐产品，并获国家发明专利。

The practical application of HVD in Liaohe Oilfield shows that castiron piston rings wear rapidly if they are designed according to JB/T 8547－97, and the piston rings made of PTFE have long working life. Leakage is permitted to some extent in rotating seal in HVD, consequently, O rings can work for about 1 month instead of piston rings and can be used when urgent.

通过在辽河油田注水泵的现场运行表明，根据JB/T 8547－97设计的铸铁涨圈磨损快，而采用填充聚四氟乙烯材料的涨圈寿命长；根据HVD旋转密封允许一定泄漏的特点，采用O形圈代替涨圈也可获得约1个月的使用寿命，可作短期应急使用。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。