| 1. | An ultra fine cemented carbide with tungsten powder and binder cobalt
一种由碳化钨和粘结金属钴组成的超细颗粒硬质合金。 |
| 2. | The distributing character and composition of ultrafine particles and its effects on human health
大气超细颗粒物的分布特征及其对健康的影响 |
| 3. | The use of supercritical fluids as a media for the formation of ultra - fine powered materials is a recent development with a good prospect
摘要超临界流体结晶技术是一种新的发展前景很好的超细颗粒制备技术。 |
| 4. | According to that criteria , high performance cement based materials should include : micro - defect - free cement ( mdf ) , densified system containing homogenously arranged ultra fine particles ( dsp ) , reactive powder concrete ( rpc ) and so on
其它新的高性能水泥混凝土材料还包括:无宏观缺陷水泥基材料( mdf ) 、均布超细颗粒致密体系( dsp ) 、活性粉末混凝土( rpc )等。 |
| 5. | The study also shows that the increase of tio2 content lead to the ascent of particle density but had few effects on the pore structure , confirming that superfine tio2 had been successfully entrapped in the regenerated cellulose matrix
研究表明，钛白粉加量的增加会使基质的密度线性增加，但对基质的孔结构影响不大，说明超细颗粒已被有效地包埋进再生纤维素骨架之中。 |
| 6. | The study of magnetotransport properties in half - metallic granular systems half - metallic granular systems have become one of the candidates for applications of magnetoresistance elements due to their dramatic magnetoresisance effects at low fields
在这些纳米尺寸的颗粒体系中，由于大量超细颗粒的存在，必须考虑由库仑阻塞效应导致的cotunneling机制对磁电阻的显著影响。 |
| 7. | At present , a composite medium in which ultrafine particles are dispersed in another originally homogeneous polymer ( matrix ) is an important absorbing material and has been used widely . this kind of material can be used both in coatings and in structure materials
目前，一类非常重要且在国内已得到实用的微波吸收材料是在高分子粘结剂基体中加入超细颗粒制成的混合物，这种材料既可以用于涂覆型吸波材料又可用于结构型吸波材料中的某一层。 |
| 8. | It is made of special filtering materid and also can be used to filter all leuds of medium and has high filtering mecision , especially composite filtering material is used inside in order to expand foul capacity storde in to filfering layers of filtering elements and molong to service life of filtering elements
采用了新研制的特殊滤材，可对多种介质进行超细颗粒污染的过滤，过滤精度高。使用特别复合滤材，扩大了滤芯滤层的纳污容量，延长了滤芯的使用寿命。 |
| 9. | Viewing solely from their performance , mdf , dsp , rpc all enjoy a high compressive strength . their flexural strength , fracture toughness and elastic module have broken the limit of traditional cement based materials . all these materials have acquired the features of high toughness material
从材料性能审视,无宏观缺陷水泥基材料、均布超细颗粒致密体系、活性粉末混凝土等的抗压强度都非常之高,其抗拉强度、断裂韧性和弹性模量也突破了传统水泥基材料的限度,这些材料具备了高强韧性材料的特征。 |
| 10. | The author of this article used orthogonal test design , arranged the test scheme scientifically , selected material aboratively , at last yield a ultrahigh strength cement - based material ( uhscm ) , whose compressive strength exceeded 120 mpa , mainly by using 625r ordinary portland cement , superfine aggregate - - silica fume , superplasticizers and so on
本文在广泛阅读国内外有关资料的基础上，采用正交设计，科学地安排试验方案，精心选材，用625r普通硅酸盐水泥、超细颗粒集料硅灰、高效减水剂等材料，采用常规工艺配制出了一种抗压强度超过120mpa的超高强水泥基材料。 |
