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The characteristic and difference of flow in porous media between the pseudo-plastic fluids and the expansile fluids was described in detail. The experimental pressure drop measurements were made in a packed bed under a variety of conditions, and the variation of the friction factor with the Reynolds number was obtained. Corresponding to the flow resistance in a nonporous channel, the flow resistance in porous media can be divided into Darcy resistance and Forchheimer resistance as well. The experiment data was divided into Darcy regime, transitional regime and Forchheimer regime in accordance with the Reynolds number.

实验测定了不同浓度聚丙烯酰胺溶液在五组填充多孔介质中流动的压降-流量关系，绘出了阻力因子随Reynolds数变化的关系曲线；按照将流动阻力分为层流粘性阻力和惯性阻力的观点，将多孔介质流动阻力分为Darcy阻力和Forchheimer流动阻力；参考有关文献，将实验区域按Reynolds数范围分为Darcy流动、过渡流动和Forchheimer流动。

Will withdraw, condense two output evaporations to get into the reflux congealed machine a hot and congealed liquid in the meantime, drop to withdraw in the bottle, is a new melting agent to add a medicine material noodles up, renew continuously solid-liquid two connect a people's layer, make the new melting agent is from the top to descend to pass a medicine material layer, have the dynamic state 渗漉 function, the dissolubility material which fuses a medicine material arrives to withdraw a bottle of bottom, and then gets into inspissation machine to carry on inspissation.

同时将提取、浓缩产生的二次蒸发进入回流冷凝器成热冷凝液，回落到提取罐中，作为新溶剂加到药材面上，不断更新固——液两相接口层，使新溶剂从上至下通过药材层，起了动态渗漉作用，溶解药材的可溶性物质到达提取罐底部，又进入浓缩器进行浓缩。

In the spiral pipe heat exchanger exports terminal, the ammonia steam temperature has been heated up 85 ℃--95 ℃, by now, the ammonia steam had the 45kg-55kg/cm2 ammonia steam pressure, sent in the ammonia steam turbine through the constant temperature pipeline, impelled ammonia steam turbine revolving, led the generator electricity generation;After the ammonia steam makes the merit release energy, the temperature drop, the returns ammonia storage tank, passes through again adjusts the press pump to press into the spiral pipe-type heat exchangers to carry on the next circulation;Including the ammonia steam turbine entire ammonia steam road is becomes the independent closed cycle system, is isolates completely with the outside air;The ammonia steam only plays the carryhome and the shift energy role, in the electricity generation process does not consume the actuating medium, the stored energy carrier water also is only gets up the carryhome and the shift energy function,The waterway also is from becomes the independent closed cycle system, in the electricity generation process also the needless water consumption, through the actuating medium ammonia steam and the stored energy carrier water unceasing shuttle service, transforms through the heat interchanger the solar energy as the actuating medium ammonia steam heat energy and the kinetic energy,With the aid of the ammonia steam turbine heat - machine transformation function and the generator machine - electricity transformation function, has realized the solar energy hot - electricity entire conversion process, transforms continuously the solar energy into the electrical energy, power supply for foreign;The low temperature generating system must solve three big technical keys:One, the anticorrosion (has actuating medium has strong corrosiveness), two is Explosion-proof (Some actuating medium Can have the detonation with the air mix when divulging, controls warm malfunction, elevates temperature suddenly also can have detonation), three is guards against the revolution axis divulging

以太阳能低温发电系统为例，低温发电方法是这样进行的：以水作为储能载体的太阳能采集器将太阳能采集起来，将水温提升至85℃--98℃；用氨作为工作介质储于氨储罐及氨汽路中；采用螺旋管型热交换器；用调压泵将氨储罐中的氨汽压入螺旋管型热交换器的螺旋管内，用调压泵将携带太阳能的85℃--98℃的储能载体热水压入螺旋管型热交换器的螺旋管外壁空间进行循环式热交换，在热交换器的螺旋管出口端，氨汽温度已被加热到85℃--95℃，这时，氨汽具有45kg—55kg/cm2的氨汽压力，通过恒温管道送入氨汽轮机，推动氨汽轮机旋转，带动发电机发电；氨汽作功释放能量后，温度下降，返回氨储罐，再经调压泵压入螺旋管型热交换器进行下一次循环；包括氨汽轮机在内的整个氨汽汽路是自成独立的封闭循环系统，与外界空气是完全隔绝的；氨汽只起携带和转移能量的作用，发电过程中并不消耗工作介质，储能载体水也是只起携带和转移能量的作用，水路也是自成独立的封闭循环系统，发电过程中也不消耗水，通过工作介质氨汽和储能载体水的不断循环运行，通过热交换器将太阳能转化为工作介质氨汽的热能和动能，借助氨汽轮机的热—机转化功能和发电机的机—电转化功能，实现了太阳能的整个热—电转化过程，将太阳能源源不断地转变为电能，对外供电；低温发电系统要解决的三大技术关键：一是防腐（有的工作介质具有较强的腐蚀性）、二是防爆（有的介质泄漏与空气混合会产生爆炸，控温失灵，急剧升温也会产生爆炸）、三是防轴漏（汽轮机是动态旋转体，必须解决工作介质的防轴漏问题）。

Doping Cr into perfect TiO2 (110) surface can create the new active surface state different from that of oxygen defect surface ,AM and transition metals deposited TiO2 (110) surface. Its active surface state is the Cr 3d occupied state near EF and the value of band-gap drop from 3.13eV to 1.16eV, so photocatalysis reaction can perform in visual light area after doping Cr into perfect TiO2 (110) surface.

TiO_2(110)面掺杂Cr 可以产生不同于氧缺陷、碱金属及过渡金属负载的新表面态，其表面态为靠近E_F 的Cr3d 电子占据能带，带隙由原来的3.13ev 降至1.16eV，因此，掺Cr 后TiO_2 可在可见光区发生光催化作用。

Stamper - the world's foremost deep core oil driller - and Stamper's roughneck team of drillers to land on the asteroid, drill into its surface, and drop a nuclear device into the core. On this heroic journey, they face the most physically and emotionally challenging conditions ever encountered ... to save the world and prevent ARMAGEDDON.

等一行七人，借助太空总署最尖端的设备和人力，将这队拉杂成军而又粗野难驯的钻油技工，在十数天之内训练成临时太空部队，分别乘自由号及独立号穿梭机登上正朝著地球迫近的陨石上，利用钻油技术凿破陨石表层，於核心位置设下核爆装置，以图炸毁陨石，破解地球的终极威胁，逆转这场惊天动地的绝世天劫！

Like a drop of water from a needle tip dripping into the sea, my days have dropped into the time stream, soundless and shadowless.

在默默里算着，八千多日子已经从我手中溜去；像针尖上一滴水滴在大海里，我的日子滴在时间的流里，没有声音，也没有影子。

Like a drop of water from the point of a needle disappearing into the ocean, my days are dripping into the stream of time, soundless, traceless.

就像针尖上的一滴水，消失在大海中，我的日子也滴入到时间的溪流中，无声无息，无影无踪。

Like a drop of water from the point of a needle disappearing into the ocean, my days are dripping into the stream of time, soundless, traceless.

象针尖上一滴水滴在大海里，我的日子滴在时间的流里，没有声音也没有影子。

Like a drop of water from the point of a needle disappearing into the ocean, my days are dripping into the stream of time, soundless, traceless.

像针尖上一滴水滴在大海里，我的日子滴在时间的流里，没有声音，也没有影子。

Like a drop of water from the point of a needle disappearing into the ocean, my days are dripping into the stream of time, soundless, traceless.

也许，那时的自己已经消失了，因为我没有存在于任何人的记忆里，包括我自己。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。