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Gold occurs in a form of crystal grain or fine grain in the quartz veins ... 金以粗晶状单体自然金及细粒金存在于石英脉及硫化物中。
Because the microcrack exists in the organization, the plasticity reduces with the crystal grain thinning. 因为组织中微裂纹的存在，随着晶粒的细化塑性反而减小；
Natural pigment in grain layer of goat skin and pig skin was bleached by hydrogen peroxide and ultrasound. 探讨了采用过氧化氢及超声波除去山羊皮及猪皮粒面层色素的方法。
The crystal grain shape of desulphurization gypsum affects the performance of gypsum products. 脱硫石膏的晶体颗粒形态是影响石膏制品性能的重要因素之一。
Crystal grain size along the normal direction of the (110), is one of the important factors affecting the slope factor. 合金(110)面法线方向上晶粒尺度的大小是影响合金放氢平台斜率系数的因素之一。
It shows that the diamond seed crystal is also dodecahedron,coming from a crystal grain first, then growing as an dodecahedron diamond. 经分析发现,该金刚石晶体首先由晶核发育成菱形十二面体金刚石籽晶,再由此籽晶生长成菱形十二面体金刚石晶体。
Both of the properties depend on crystal grain size of silica that means its size smaller,its anti burst biality greater and its reductibility better. 硅石的抗爆性和还原性能取决于硅石的晶粒度,晶粒小抗爆率高,还原性能好。
The crystal grains grow up accompany the temperature rising. 随温度的升高,出现晶粒长大的现象。
The mechanical properties of the modified POM were studied, too.The results showed the addition of nucleating agent HC made the crystal grain more fine, shorte... 结果表明,高摩尔质量羧酸盐类成核剂HC的加入,使POM晶粒细化,结晶诱导期缩短,显著提高了POM的结晶速率。
The crystal grain of material fabricated by milling powder is finer, especially Si particles minish obviously, and the microstructure is more uniform and compact. 粉末经高能球磨后，所制备材料晶粒更加细小，特别是硅粒子已明显细化，材料组织更均匀、更致密；
Effect of fiber blemish,the crystal grain size on the tension strength is showed in this paper through the analysis of the structure of the series of MJ carbon fiber. 通过对MJ系列碳纤维纤维结构的分析,确定纤维缺陷、晶粒大小对拉伸性能的影响。
The Jurassic dolomite is widely distributed in the Qiangtang Basin.It can be divided into dolomicrite, residual-grain dolomite and crystal grain dolomite three rock types. 羌塘盆地侏罗系白云岩分布广泛 ,其岩石类型可分为泥晶 -微晶白云岩、残余颗粒白云岩和晶粒白云岩 ,前两者常与石膏相邻或伴生 ,后者与石膏无关。
High steel purity stable composition, fine crystal grain, even structure property, high-quality surface, accurate dimension and nice profile.Satisfying general cold forming and more difficult cold forming at common degree. 钢质洁净高度、成分稳定,晶粒细小、组织性能均匀,表面质量好,尺寸精确、板形好,能满足一般程度冷加工成型或高难度成型。
The high quality(Cr,Ti,Al)N films were found to display many strengths,including small crystal grain size,fast deposition rate,high micro-hardness(35 GPa),and strong interfacial adhesion(80 N). 结果表明:用此法制备的薄膜为含有多相结构的(Cr,Ti,Al)N多元硬质膜,晶粒细小,沉积速率快,显傲硬度高达35 GPa,结合强度高度达80 N,综合性能优异。
Photocatalytic activity of the samples has been tested use methylene blue (MB) as the model pollutant and compared with P-25. Mesoporous SBA-15 and MSU-1 both prevent the anatase to rutile phase transformation and the growth of TiO_2 crystal grain. MSU-1负载的样品并不能显著提高二氧化钛的光催化活性，其光催化降解亚甲基蓝的能力远不如TiO_2/SBA-15的样品。
Raman micro spectroanalysis was used to test and analysis micron dimension crystal grain of surface and cross section of New stone age in two ancient stone axe from Yunnan Chuxiong. 本文采用显微拉曼光谱技术对云南省永仁县菜园子两件新石器时期古石斧的表面和截面进行测试分析,结合矿物拉曼谱,初步确定了其成分。
The higher the cooling intensity and the vibration frequency of the crystal nucleus eradiation equipment, the more the number of the crystal grain, as well as the smaller the particle diameter. 晶核发射器的冷却强度越大、振动频率越高，则形成的晶粒数量越多且粒径越小；
Bleaching of Natural Pigment in Grain Layer of Animal Skin 动物皮粒面层天然色素的脱色
The result of the polarized microscope analysis of the grafted PP showed the heterophase crystal nucleation of PP was induced by the formation of graft branched chain, resulted in fine crystal grain. 接枝物的偏光显微镜分析发现，接枝支链的生成可以促进PP的异相成核，造成晶粒细化。
Raman micro-spectroanalysis was used to test and analysis micron dimension crystal grain of surface and cross-section of New stone age in two ancient stone axe from Yunnan Chuxiong. 摘要本文采用显微拉曼光谱技术对云南省永仁县菜园子两件新石器时期古石斧的表面和截面进行测试分析，结合矿物拉曼谱，初步确定了其成分。