To solve the problem of short service life and poor performance of low melting point alloy mould manufactured by arc spray forming, the manufacturing of stainless steel mould has been presented.
为了解决低熔点材料电弧熔射成形模具使用性能差、寿命低等问题，提出电弧熔射成形制作不锈钢模具的方法。
Magnesium alloy sheets have very poor plasticity in room temperature and difficulties in forming.
镁合金板材室温下塑性很差、成形困难。
There fore, poor surface fineness becomes an important topic of current press forming technology to be investigated, which demands people to deepen their recognition.
因此，面形状精度不良问题已成为现代冲压成型技术的一大重要研究课题，目前人们对它的认识还要进一步深化。
PEEK matrix composites exhibit great toughness and damage resistance. But the severe processing conditions and poor drapability result in in-efficiency in curved surface forming.
peek树脂基复合材料具有突出的韧性和高损伤容限，但因成型工艺条件较为苛刻，且铺覆性能差，影响了曲面成型能力。
However, the processing performance of the material is very poor and the cold processing forming technology is still difficult for breakthrough.
但是，这类材料的加工性能很差，冷加工成型技术尚难突破。
The paper analyses the reason of forming the class of China's urban poor as well as the potential impact of this social class may have on the whole society.
本文分析了中国城市贫民阶层形成的原因以及这一社会阶层对整个社会可能带来的潜在影响。
It's proved that, polyaniline is a kind of hole-transport material and has luminescence character, but shortage of high performance for forming film supported by itself due to its poor solubility.
研究证实，聚苯胺是一种空穴传输型材料并有一定的发光性，但由于其溶解性差导致高性能自支撑膜的制备困难。
The article explains the mechanism of film forming, and put forward some solution methods for poor stability and loss of drying during storage.
阐述了水性醇酸漆的成膜机理，并针对储存稳定性差，储存后干性失落较大等缺点，提出若干解决方案。
Sichuan Basin is characterized by special architecture, complicated reservoir forming condition, rich natural gas and poor oil resources.
四川盆地结构特殊、成藏条件复杂、气多油少。
Sichuan Basin is characterized by special architecture, complicated reservoir forming condition, rich natural gas and poor oil resources.
四川盆地结构特殊、成藏条件复杂、气多油少。
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