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And the acoustic pressure phase sensitivity frequency response properties are investigated in terms of theories, simulations and experiments.

实验结果验证了小尺度结(来源：ABCb5论5d文网www.abclunwen.com)构下水声低通滤波理论及模型的正确性。

With a plant site of 100,000 square meter and over 700 skilled worker, we have thirteen most advanced tufting machines by computer control, use polypropylene, acrylic, wool and Nylon for the main materials and making variety of graphic multiloop, multicut and loop carpets. We strictly insist on JIS Japan standard and have an annual yield of 8 million square meter. Our products include carpet tile, broadloom carpet, car mats and door mats so that we can offer best choice for residence and commercials, such as houses, hotels, offices and public facilities.

工厂拥有目前世界最先进生产设备电脑数控簇绒机13台，网结了日本与欧美国家先进的生产技术与管理方式，以尼龙、丙纶、羊毛、羊毛混纺等为原料，生产各种高中档地毯，包括方块毯、满铺毯、汽车毯、门口毯等，年总产量超过800万平方米，所有生产流程完全符合国际JIS认证标准，公司在国内外都设有完备的销售网络，业务遍及世界各地，在中国境内上海、南京、北京、青岛、广州、香港等都设有办事处，另有300多家代理商分布各地，外销方面其范围包括日本、韩国、东南亚、新加坡、台湾、印尼、中东、爱尔兰、英国、美国、澳大利亚、加拿大、荷兰等。

The results were asfollows:When the ratio of HY zeolite to raw material was 2.5g/100mL and thereaction was heated to 140℃for 4h,the effect of isomerization of turpentinewas better, the conversion rate of pinene was 97.02%,and the selectivity ofcamphene was 42.88%.When the ratio of HZSM-5 zeolite to raw material was4.5g/100mL and the reaction was heated to 140℃for 4h,the effect ofisomerization of turpentine was better, the conversion rate of pinene was86.24%,and the selectivity of camphene was 46.95%.

结(来源：A45BC论ba文网www.abclunwen.com)果表明：HY型沸石分子筛催化，当其用量为2.5g／100mL原料，反应在140℃下维持4h时，松节油的异构化效果较好，蒎烯转化率达97.02％，莰烯选择性为42.88％；而HZSM-5型沸石分子筛催化，当其用量为4.5 g／100mL原料，反应在140℃下维持4h时，松节油的异构化效果较好，蒎烯转化率达86.24％，莰烯选择性为46.95％。

Once upon a time , I found a big net set between the eaves by a black spider in yard.

一天，我发现，一只黑蜘蛛在后院的两檐之间结了一张很大的网。

The submergible control platform width was positively related with the diameter of cage framework. The relation was k=1-2+22r-h_4~2+14l~2+12r~2-22rl, in formula h_4 was the platform height, which was restricted by the water depth. There h=h_1+h_2+h_3+2h_4+12H, in equation h_1 stood for net sheepshank height, h_2, the height of gravity setting on the bottom net, h_3, the distance from gravity setting to submarine, H was estimated maximal wave height while typhoon occurred in cage areas.

控制平台的宽度l与网箱主构架半径r正相关，设计时必须满足网箱框架外侧与平台的距离k大于零，其中：k=1-2+22r-h42+14l2+12r2-22rl，h4为控制平台高度，其受放置区水深h的制约，高度与水深的关系：h=h1+h2+h3+2h4+12H，h1为网衣缩结高度，h2为网衣底部重力装置高度，h3为重力装置到水底的距离，H为网箱放置区台风期预计最大波高。

Gecko danger, to escape from the end, the tail can also regeneration; spiders can not only foresee the impending storm front, but also quickly erect个Net knot to prevent cross-Net torn by wind and rain and no home to return to; fly bats were not birds belong to animals, it can rely on their own issued ultrasonic reflectivity of the target to determine the target insects are still obstacles; sundew, rainbow grass these plants were able to "kill" small insects as their own "food"......

壁虎遇到危险，脱尾逃生后，尾巴还能再生；蜘蛛不但可以预知暴风雨来临，而且还赶忙结个竖网，以防横网被风雨扯破后无家可回；会飞的蝙蝠居然不属于鸟类动物，它还能靠自身发出的超声波对目标物的反射来确定目标是昆虫还是障碍物；毛毡苔，彩虹草这些植物居然能"捕杀"小虫子作为自已的"食物"。。。。。。

The apparent degree of network chains for the different swollen extent of the same unswollen hydrogel sample increased linearly with the increase of swelling ratio, however, the apparent modulus did not decrease monotonously with the increase of swelling ratio. Furthermore, the dependence of apparent degree of network chains on swelling ratio had nothing to do with the swelling agent. The above results reflected the changes of entanglement and the contribution of entanglement under different swelling ratio, and the results could be explained with the theory of Flory-Erman's constrained junction model and LangleyGraessley relation.

发现同一水凝胶样品的不同溶胀程度试样经应力应变测试得出的表观网链密度随体积溶胀率的增加而线性增加，等效模量并不随溶胀程度的增加而单调减小，而表观网链密度的溶胀程度依赖性与所选用的溶胀剂无关，该结果反映了不同溶胀程度下缠结的变化及缠结对弹性的不同贡献，并可由Flory-Erman的constrained junction模型及Langley-Graessley公式得到解释。

The paper introduces the followings: the structure, process of knot-knitting and net-making, main technical parameters, applicable range of the netting twines and so on. The paper presents the design process of some typical parts of the machine and centers on the optimum design of the cam curve and improvement the manufacturing technology.

本文介绍了 ZRD8-500A 双钩型织网机的结构形式、织网成结过程、主要技术参数以及适用网线范围等；还介绍了几个典型机构的设计过程，重在凸轮曲线的优化设计和提高制造工艺。

At the same time, mass production of wooden lattice door mats and cushions, floc coconut, palm floc, sisal floc, water straw, paper rope, such as hand knitting material and packet edge sisal, straw carpets, car mats foot indoor carpet, cups mats, paper cloth, sisal wallpaper single fiber mesh such as woven fabrics, as well as for the export of all types of small packing rope type, line type of environmentally friendly products.

同时亦大量生产门口垫及木格座垫，椰絮，棕榈絮，剑麻絮，水草绳，纸绳等手工编结物和包边剑麻，草绳地毯，轿车室内垫脚毯，杯垫，纸布，剑麻单纤维墙纸网布等机织物以及各类专供出口的小包装绳类、线类环保产品。

Leaves 3, in a terminal whorl, sessile or shortly petiolate, rhombic-orbicular to ovate, with 3 or 5 main veins and anastomosing veinlets.

叶3，在一顶生轮生，无梗或具短叶柄，菱形圆形到卵形，具3或5主脉和网结的细脉。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。