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To further improve the metallurgical quality of electroslag remelting, remove the large inclusions in electroslag ingot ......
Laser beams with ns pulse width are generally employed as an excitation source in the process of detecting inclusions an......
An efficient gettering is often performed with a back-side phosphorus diffusion; the mechanisms, not well understood, a......
Debris flows include a great diversity of grain sizes with inherent features such as inverse grading,particle size segre......
Analysis of Magnetism in High Nitrogen Austenitic Stainless Steel and Its Elimination by High Temper
Stable austenitic structure in medical stainless steels is basically required for surgical implantation. A weak magnetis......
Effect of sample diameter on primary and secondary dendrite arm spacings during directional solidifi
The microstructure scales of dendrites,such as primary and secondary dendrite arm spacings,control the segregation profi......
A doubled haploid population, derived from anther culture of F hybrid between a typical indica cv. and a japonica cv. h......
By means of dropping GA3 (50 ppm) and NAA (40 ppm) on the hybrid boll-embryo culture in vitro, one F1 plant of G. hirsu......
A rice mutant with rolling leaf,namelyγ-rl,was obtained from M_2 progenies of a native indica rice stable strain Qinghu......
Microstructure evolution and thixoforming behavior of 7075 aluminum alloy in the semi-solid state pr
The effects of isothermal treatments on the microstructural evolution and coarsening rate of semi-solid 7075 aluminum al......
The effect of acicular ferrite(AF) on banded structures in low-carbon microalloyed steel with Mn segregation during both......
目的 观察针尖分离联合5-氟尿嘧啶（5-Fu）注射对青光眼小梁切除术后功能不良滤过泡的处理效果。方法对16例（20只眼）青光眼患者术后2～9周......
以α-萘酚与对氨基苯磺酸重氮盐之间的串联竞争偶合生成单偶氮和双偶氮的反应为测试体系，研究了超重力因子、喷嘴初速、浓度、撞击......
利用9个具有早世代稳定遗传特性的水稻品系和7个栽培稻作为主体亲本杂交配组，在130个组合F2群体963个株系中，发现28个组合中出现73个......
准确理解发育过程中的分子事件从而调控胰腺发育,对临床医学相关的糖尿病、肥胖、胰腺癌和疾病有着重要影响。1996年以前,胰腺发育......
为提高级配碎石的强度和骨架-密实型级配的施工和易性,并给出级配碎石的工作性能评价指标和方法.在级配碎石集料中掺加适量的粉煤......
采用第一性原理赝势平面波方法,通过Materials Studio软件中的Castep模块,建立Al2O3晶胞,稀土元素Y的加入有助于控制Al2O3或Cr2O3......
对大差异双组分混合颗粒锥形分布板的压降及分级效果进行了实验研究,实验结果表明,锥形分布板的压降随过孔气速的增加而增大,锥形......
对造成香菇原生质体单核化后两种交配型单核体比例偏离1：1分离的遗传背景进行探讨．结果表明，B因子或是与B因子连锁的因子对这种偏离有......
利用温度场下第二相液滴的Ｍａｒａｎｇｏｎｉ运动，设计了一种在地球重力场下制备均质偏晶合金的“控制铸造”新技术。在这种技术中，偏晶合金凝固界面前......
