无填料的

The components of the amianthine cat whisker-free friction material of the invention mainly contain binding agent, reinforcing material, frictional property regulating reagent, cat whisker material and fillings, and contain no asbestos fiber, the cat whisker material is adopted to be filled in the friction material to improve the wear resistance of the friction material, protect the environment, and prolong the service life of an arrester gland.

本发明的无石棉晶须摩擦材料其组成为：主要含有粘结剂、增强材料、摩擦性能调节剂、晶须材料及填料，不含有石棉纤维，采用晶须填充在摩擦材料中以提高其耐磨性、保护环境、延长制动器衬片的使用寿命。

The correlative formulas for pressure drop of cross-flow rotating packed bed was deduced with the method of dimensional analysis .

采用因次分析的方法推导出错流旋转填料床气相压降的无因次关联式。

At the same time,the effects of the aditives on the tensil properties of modified SBS system are explored,by which the research on its non-halogen flame-poof system is carried out which can satisfy the requirements under the condition of fire-safety.

同时，通过研究填料对改性SBS体系拉伸性能的影响，进一步研究了其无卤阻燃体系，该体系在具有较高阻燃性能的同时，其它性能均可满足应用要求。

This product also has the ability of light extinction, so it can be used as extinction filler for flat or semi-gloss powder coatings to reduce the usage of flatting agents.

本产品还具有一定的消光作用，可作为半光和无光粉末涂料的消光填料，可减少消光剂的添加量。

Drawbench plastic production process, because of plastic material contained in the composition of drawing complex, such as PP + renewable PP; PP + inorganic filler; renewable PP + renewable PE and so on; these materials more or less entrainment of water and impurities will directly affect the silk-smooth surface film formation and the tensile toughness of noodle degrees, resulting in mechanical properties of products and sensory quality by a greater impact, broken wires, the membrane surface uneven, dull and so on.

塑料拉丝制品生产过程中，由于塑料拉丝材料所含的成份复杂，如PP＋再生PP；PP＋无机填料；再生PP＋再生PE等等；这些材料多多少少夹带水份和杂质，将直接影响丝面的光滑平整及膜面的韧性拉伸度，从而导致产品的机械性能和感观质量受到较大影响，断丝、膜面凸凹不平、无光泽等现象。

The research results showed that the growth of Nitrobacter always depended on the conversion of ammonia-nitrogen to nitrite-nitrogen by Nitrosomonas under both no aeration and aeration.

研究结果表明，在无曝气条件下和曝气条件下，填料上硝酸盐细菌的生长均依赖于亚硝酸盐细菌转化氨氮为亚硝酸盐氮的过程。

The company produces the mixer, the filter, the silencer, the fire barrier , the respiration valve, the sampling instrument, regard the mirror, the star type leave the material valve, the spiral conveyer, the zero gravity granule mixer, the spiral strip type mixer, the neat padding, each kind of filter element, the filter pocket and so on ,more than 10 big kinds, near 400 specification product.

公司生产的混合器、过滤器、消声器、阻火器、呼吸阀、采样器、视镜、星形出料阀、螺旋输送机、无重力粒子混合机、螺条式混合机、规整填料、各类滤芯、滤袋等10多个大类，近400个规格产品。

Low Open and Close Force with Zero leakageValve shaft uses thrust bearings and "O" shaped seal ring to reduce friction, and stuffing box's leakage problem is also solved.

启闭力小，无外漏阀杆采用止推轴承和&O&型圈密封，减少了开关时的摩擦力，解决了填料箱漏水问题。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。