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According to the present situations of the two production lines and the temperature needed by the producing technics of the heat-exchanger , using the numerical simulation with the Airpark software to analyze the reason why the cooling system can not meet the technicals requirement; with the heat transfer theory computation based on the heat transfer principle, the technical parameters of the cooling sect refer to the system technic and configuration are obtained. That are made for reasonable organization of the airflow of the cooling system and the new cooling equipment achieving the technical requirement. At the same time, it will ease the thermal pollution of the circumjacent environment and improve IAQ of the workshop

根据某厂两条换热器生产流水线的现状和冷却降温的工艺要求，用Airpark 软件进行数值模拟，分析了冷却系统无法满足工艺要求的原因；运用传热学原理进行了设备与环境的传热理论分析和计算，分析了冷却系统无法满足工艺要求的原因，得出了改造所需要的技术与结构参数，并对冷却系统进行合理布局与气流组织，使新的冷却系统发挥了应有的作用，满足了生产工艺的要求，同时也减轻了生产环境的热污染，提高了环境的空气品质。

As participants of this sign age" 1968", their experience present historical real appearance by common characteristics, moreover because of the reason they have the identical sex, they carve life significance and the value of female being participants in the historical annual ring.

作为"1968"这一标志性年代的经历者与事件的参与者，她们的经历不仅以其共时性呈现历史的真实面目，而且还因为同一性别的原因，她们在历史的年轮中刻写的是女性作为历史的遭遇者与经历者的生命意义与价值。

He was sacked as sports minister at the end of 2004 in the midst of an audit into his financial dealings -- perhaps one reason for a streak of animus that runs through the book -- and replaced by a Communist Party apparatchik with no sporting experience.

在2004年底一场针对他经济问题的审计中，他在体育局长任上被解职——这也许是贯穿那本书始终的敌意的一个原因——并被一位没有体育工作经验的政工人员取代。

In reality, people usually study the relationship between educational theory and practice from the perspective of theoretical philosophy, but it not only will not bring about the unity of educational theory and practice, but also causes the split of the relation whose reason is the arrogation of practical philosophy by science.

现实中人们探讨教育理论和实践的关系多是从理论哲学的角度切入的，但这种角度不仅不会统一教育理论与实践，反而导致了教育理论和实践的分裂。教育理论和实践之所以分裂，是由于近代以来科学对实践哲学的僭越。

Apart from these, another conclusion was drown by the author that the increase of surface energy due to the deformation after the adhesion shearing at the asperities and the viscoelasticity of polymer films is the main reason why the friction coefficients of polymer films vary with the sliding speed.

还有一条重要研究结果是，作者认为，由于聚合物薄膜受摩擦作用而发生变形以及由于聚合物的粘弹性造成变形回复的滞后而造成聚合物表面能的增大，是聚合物摩擦副的摩擦系数随相对滑动速度的变化而变化的根本内因。

The results show: the strongest bond is the Al-Al bond in the segregated cell without containing vacancy, where the Al atomic covalence radius is greater than that of Li atom in the cell; while the strongest bond is the Al-Li bond in the segregated cell containing vacancy, and the Al atomic covalence radius in the cell is less than that of Li atom. Since the difference of electronagativity between the Al and Li atoms is obvious, it is inclined to formed the Al-Li segregated cell of short range order structure in the condition of vacancy present. The short range order structure containing vacancy is probably the embryo or precursor structure of the metastable phase δ′(Al3Li). Because the strongest covalent bond in the Al-Li-vacancy segregated cell in alloy formed in quenching is the main strength reason for supersaturated solid solution of alloy. The bond net of succeeding precipitation of δ′(Al3Li) has the picture of anisotropic Al-Al bonding and the bond intensity enhanced. Since the δ′(Al3Li) is coherence with matrix, the bond net strength is enhanced by the precipitation of δ′(Al3Li) and so strengthen the alloy.

计算结果表明：不包含空位的偏聚晶胞的键络最强键为Al—Al键，其中Al原子的共价半径较Li原子的共价半径要大；而含空位的偏聚晶胞的最强键为Al—Li键， Al原子的共价半径要比Li原子的共价半径要小；在空位存在的情况下，由于Al原子与Li原子的电负性相差明显，促使Al和Li原子结合，倾向形成Al-Li短程序结构偏聚区，这种含空位的短程序结构很可能就是δ′(Al3Li)亚稳相的前兆结构和生长胚胎；由于Al-Li-空位有序偏聚晶胞的Al—Li键络比基体键络要强许多，因此，淬火过程中合金生成的Al-Li-空位偏聚晶胞对合金过饱和固溶体起主要强化作用；后续析出的δ′(Al3Li)亚稳相键络各项异性显著，键络强度明显提高；由于Al3Li与基体共格，其大量均匀弥散析出起到提升基体整体键络强度，同样对合金产生强化作用。

The results show: the strongest bond is the Al-Al bond in the segregated cell without containing vacancy, where the Al atomic covalence radius is greater than that of Li atom in the cell; while the strongest bond is the Al-Li bond in the segregated cell containing vacancy, and the Al atomic covalence radius in the cell is less than that of Li atom. Since the difference of electronagativity between the Al and Li atoms is obvious, it is inclined to formed the Al-Li segregated cell of short range order structure in the condition of vacancy present. The short range order structure containing vacancy is probably the embryo or precursor structure of the metastable phase δ'(Al3Li). Because the strongest covalent bond in the Al-Li-vacancy segregated cell in alloy formed in quenching is the main strength reason for supersaturated solid solution of alloy. The bond net of succeeding precipitation of δ'(Al3Li) has the picture of anisotropic Al-Al bonding and the bond intensity enhanced. Since the δ'(Al3Li) is coherence with matrix, the bond net strength is enhanced by the precipitation of δ'(Al3Li) and so strengthen the alloy.

计算结果表明：不包含空位的偏聚晶胞的键络最强键为Al-Al键，其中Al原子的共价半径较Li原子的共价半径要大；而含空位的偏聚晶胞的最强键为Al-Li键，Al原子的共价半径要比Li原子的共价半径要小；在空位存在的情况下，由於Al原子与Li原子的电负性相差明显，促使Al和Li原子结合，倾向形成Al-Li短程序结构偏聚区，这种含空位的短程序结构很可能就是δ'(Al3Li)亚稳相的前兆结构和生长胚胎；由於Al-Li-空位有序偏聚晶胞的Al-Li键络比基体键络要强许多，因此，淬火过程中合金生成的Al-Li-空位偏聚晶胞对合金过饱和固溶体起主要强化作用；后续析出的δ'(Al3Li)亚稳相键络各项异性显著，键络强度明显提高；由於Al3Li与基体共格，其大量均匀弥散析出起到提升基体整体键络强度，同样对合金产生强化作用。

One reason for skepticism that the current stock market will be analogous to 1982 is that much of the economic adjustment, including the raising of rates by the Fed and the withdrawal of government stimulus, seems to be in the future, not in the past.

对于将目前的股市类比1982年的做法持怀疑态度的原因之一是，包括美联储升息和政府刺激措施的退出等经济调整大部分看起来都还没有进行，而不是已经完成了。

Meanwhile, on the basis of the multi-rigid body system dynamics, this paper establishes the virtual prototype of the AGL by software ADAMS. And computes the movement laws of the bolt body and gun body of the AGL, illuminates change reason, which are compared with the results of before-mentioned the simulating and computing program.

同时运用多刚体系统动力学理论和机械系统动力学仿真软件ADAMS建立了榴弹发射器的虚拟样机模型，得出了机体和枪身等部件的运动规律，并进行了相应的分析说明，同时与前面的模拟计算程序的结果进行了比较分析。

His scroll has, of course, been heavily charged withpunishments: he has known the muzzle, the leash, and the tether; he has suffered theindignities of the show bench, the tin can on the tail, the ribbon in the hair, hisauthority, his digestion ruined by the macaroons and marshmallows of doting women. The list of his woes could be continued indefinitely. But he has also had his fun, for he has been privileged to live with and study at close range the only creature with reason, the most unreasonable of creatures.

它得到了项圈，当然，是经过伤痕累累才换回来的：它体验过口络、皮带和狗绳的滋味，也体会过宠物秀上跑台子、尾巴上拴铁罐和皮毛中缠丝带的味道，连它和同类异性的交往也被老大的黑手死死控制着，它的消化器官也被那些溺爱狗狗的女人用饼干和软糖给毁掉了，但是它还是有自己的乐趣：因为它是如此的有幸，才能在和这世界上唯一讲道理，也是最不讲道理的生物的一起生活中，近距离的来研究他们。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐