The application of polypropylene membrane in MBR could resolve the problems of short life span and low strength that arc usually possessed by other material of membrane.
在膜生物反应器中使用聚丙烯中空纤维膜材料的膜组件，可以解决以往其它材料寿命短、强度低、易污染等问题。
Single pipe pile shows sliding failure at interface and cannot utilize the strength of material; the bearing capacity and deformation ability are low.
结果表明，现行的单钢管桩属于界面的粘结破坏，承载力低，变形能力弱，不能充分发挥材料特性。
It is the material with low viscosity and some certain compressive strength.
为低粘度，具有一定的压缩强度的材料。
The quality control aims to make backfill body meet its strength requirements and allow backfill material to have a low lost and a good fluidity and dehydrate a little or not.
填充体质量控制的目标是：填充体具有一定强度、充填材料成本低、流动性好、不脱水或少量脱水。
The molecular weight of the third material is the smallest, It's flexure strength and impact strength are low.
分子量最小的第三种材料其挠曲强度和冲击强度都最低。
Senior usb strong machine, special apply to various material strength test, low cost and high performance.
高级万用强力机，特别适用于各种材料的强力测试，低成本，高性能。
Injection process of machining technics demanding, the demand is higher, metal material strength relative to some low.
注射工艺苛刻、机加工工艺要求较高，相对于金属材料强度有些低。
Tensile strength of LDPE resin low voltage differential, rigid poor dimensional stability when processing poor, and connection difficulties, not suitable as a water supply pressure tube material.
LDPE树脂的拉伸强度低，耐压差，刚性差，成型加工时尺寸稳定性差，并且连接困难，不适宜作为给水压力管的材料。
Oxy fluoride glass ceramics is a new up converted luminescent material with strong mechanical strength just like oxide and low phonon energy just like fluoride.
氟氧化物玻璃陶瓷是具有氧化物的机械性能和氟化物的低声子能量的新型上转换发光材料。
Wwlding material: low carbon steel, high strength steel, medium carbon steel, low alloy steel.
可焊接材料：低碳钢、强度钢、碳钢、合金钢。
The utility model has the advantages of easy material getting, low price, stable quality, good durability, high strength, etc.
本实用新型具有原材料易得，价格低，质量稳定，耐久性好，强度高等优点。
Wwlding material: low carbon steel, high strength steel, medium carbon steel, low alloy steel.
可焊材料：低碳钢、高强度钢、中碳钢，低合金钢。
High Performance cementitious material is specially used for high Performance concrete. Propetties of that are high strength, low water demand, low hydration heat and low shrinkage.
高性能胶凝材料主要用于高性能混凝土，具有强度高、需水量小、水化垫低和收缩小等特点。
The test result showed that the ratio of dynamic strength and static strength is 1. 25 ~ 1 '30, by which the value of low temperature tensile strength of material could be evaluated.
实验结果表明，动态强度与静态强度的比值为1.25 ~ 1.30，利用此关系可以估算材料的低温抗拉强度值。
Develop the binding material which resist high shearing strength, low and high temperature is the key to solve the disease of asphalt overlay.
开发抗剪强度高、抗高低温性能好的粘接材料，是解决在沥青面层车辙、拥包、推移等病害的关键。
Slag brick is a new kind of hydraulic construction material. It has some evident advantages, such as large strength, strong frost-resisting, low cost and beneficial to protect environment.
矿渣砖是一种新型的水工建筑材料，它具有强度大、抗冻性强、成本低、利于环保等特点。
A new building material patent: concrete mixed material with middle and low strength is invented.
介绍了一项最新建材专利技术中低强度等级混凝土掺合料技术。
Compared with the large enterprises, they are weak in human resources, material and financial strength and low in management level.
与大型企业相比，企业人力、物力、财力都还十分薄弱，管理水平不高。
The intermetallic compound is a kind of potential functional material with high strength, low weight and large electrical resistivity.
金属间化合物具有高强轻质及电阻率较高的特点，是一种极具发展前途的功能材料。
The result shows the reason why sealing washer parts destroyed is that carbon content of ST12 steel used is too low. High carbon content and strength material should be used to produce the parts.
结果表明，导致密封圈变形而破裂的原因是选用的ST12钢含碳量太低，应选用含碳量和强度稍高的材料来制造。
The metallic material has the characteristics of small density, high low temperature resistance, good plasticity, large mechanical strength, and good acid-alkali corrosion resistance.
本发明所述其金属材料具有密度小、耐高低温、塑性好、机械强度大、抗酸碱腐蚀性好的特性。
The light rubber plastic foam material has the characteristics of high tensile strength, high tearing strength, good rebound resilience and low compression set.
其拉伸强度高、撕裂强度大、回弹性好、压缩永久变形小。
The raw material range is widely, such as wood pulp, wheat pulp, bamboo pulp, straw pulp, which can be made high strength and low quality corrugating paper.
该类型纸机可用木浆、草浆、竹浆、苇浆为原料来抄造高质量、低定量生活用纸。
The invention has low raw material cost, product with excellent mechanical strength and simple production process.
本发明原料成本低，产品具有优良的力学强度，并且生产工艺简单。
With its manufacture grinding tool, is suit to processing tensile strength low metal and the nonmetallic material, for instance n-ferrous metal, stone material, leather, rubber and so on.
用其制作磨具，适用于加工抗张强度低的金属和非金属材料，如：灰铸铁、有色金属、石材、皮革、橡胶等。
The results show that this material has many advantages, such as dense microstructure, high strength, toughness and wearing resistance. The roll from this material has a low cost and long life time.
结果表明，电冶钢结合金组织致密、强度高、韧性好，尤其是具有高的抗磨损性能，用其所制的钢丝轧辊成本低、使用寿命高。
The obtained material has the advantages of ideal strength and toughness, good wear-resistance and low cost by simple process.
从而可以得到既有良好的强韧性及耐磨性，又有工艺简单、价格低廉的耐磨材料。
The obtained material has the advantages of ideal strength and toughness, good wear-resistance and low cost by simple process.
从而可以得到既有良好的强韧性及耐磨性，又有工艺简单、价格低廉的耐磨材料。
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