论文部分内容阅读
<正> 猪的颈部和脊背上的刚毛经过加工整理后的成品即为猪鬃。猪鬃富有弹性,耐热耐酸,可以经受强烈的摩擦而不断。鬃梢有叉分,能深入细微的空隙,粘带油腻与尘垢,鬃干有天然鳞片纤维,所以有良好的吸附力。因此,猪鬃成为制刷的优质原料。主要是做漆
猪鬃
【摘 要】
：
<正> 猪的颈部和脊背上的刚毛经过加工整理后的成品即为猪鬃。猪鬃富有弹性,耐热耐酸,可以经受强烈的摩擦而不断。鬃梢有叉分,能深入细微的空隙,粘带油腻与尘垢,鬃干有天然鳞片纤维,所以有良好的吸附力。因此,猪鬃成为制刷的优质原料。主要是做漆
【出 处】
：
国际贸易
【发表日期】
：
1985年7期
其他文献
Cooling energy needs,for mines in Northern Ontario,are mainly driven by the mining depth and its operation.Part I of this research focusses on the thermal energ
Firstly,the early warning index system of coal mine safety production was given from four aspects as personnel,environment,equipment and management.Then,improve
Effects of arbuscular mycorrhizal fungi on the drought resistance of the mining area repair plant Sa
To solve the problem of lack of water in arid areas and barren soil in the process of ecological restoration,the growth and drought resistance of Sainfoin(Onobr
A considerable amount of tunnelling has been going on in India for various projects such as hydroelectric power, irrigation, roads and railways. Most of these p
A new numerical model is presented to simulate fracture initiation and propagation in geological structures. This model is based on the recent amalgamation of e
In this paper an attempt is made to recover sillimanite by flotation tree analysis process and conventional flotation process from non magnetic fraction of red
Numerical simulation of the electrical field distribution helps in-depth understanding of the mechanisms behind the responses and the benefits of the high volta
Rock mass rating system(RMR) is based on the six parameters which was defined by Bieniawski(1989)[1]. Experts frequently relate joint and discontinuities and gr
In view of the difficulty of automatic adjustment, the recovery lag and the major accident potential of the mine ventilation system, an experimental model of th