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6篇 您的检索式:作者名="Jieshi"
    题名 作者 年代 出处 被引量
1A New Curve Fitting Method for Forming Limit Experimental Data显示文摘The forming limit curve (FLC) can be obtained by. means of curve fitting the limit strain points of different strain paths. The theory of percent regression analysis is applied to the curve fitting of forming limit experimental data.Forecast intervals of FLC percentiles can be calculated. Thus reliability and confidence level can be considered. The theoretical method to get the limits of limit strain points distributing region is presented, and the FLC position can be adjusted according to practical requirement. Method for establishing FLC with high reliability using small samples is presented at the same time. This method can make full use of the current experimental data and the previous data.Compared with the traditional method that can only use current experimental data, fewer specimens are required in the present method to obtain the same precision and the result is more accurate with the same number of specimens.Jieshi CHEN Xianbin ZHOU 2005Journal of Materials Science & Technology2005,21,4:3
2某铅锌尾矿工艺矿物学研究显示文摘某铅锌矿尾矿氧化程度较深,为综合利用该尾矿中的铅、锌等有价元素,对其进行了系统的工艺矿物学研究。结果表明:该尾矿中最主要的有价元素为锌,主要的回收矿物为异极矿、菱锌矿以及闪锌矿;这些锌矿物的粒度均较粗,在磨矿细度为-0.074mm占70%时,它们均充分解离、粒度分布均匀,利于浮选富集。方明山 肖仪武 武慧敏 Jieshi Tong 2011有色金属工程2011,1,4:2
3Fracture Morphologies of Advanced High Strength Steel During Deformation显示文摘The fracture morphologies of several advanced high-strength steels(DP590,DP780,DP980,Ml 180,and M1300) formed in uniaxial tension and piercing were observed by scanning electron microscope,and then quantitatively analyzed by image processing technique.The tension-induced fractographs are dominated by obvious uniform or bimodal size dimples,while shearing-induced fractographs have smooth surfaces and few dimples.The fracture zone of higher grade DP steels is smoother.As for Ml 180 and Ml300,the fracture zones consist of very small dimples and smooth brittle surfaces.The dimple size of M1300(~ 1.2 urn) is smaller than that of Ml 180(~ 1.6 μm).Moreover,in the tensile fracture,the quantitative correlation between average dimple diameter(d) and tensile strength(σ) can be represented by d = 10,502.32σ^(-1 21).However,the relation between dimple density and tensile strength is not monotonic due to the appearance of bimodal size dimples with increase of tensile strength.For shearing-induced fracture during piercing,the fitted empirical model between the percentage of burnish zone(f) and tensile strength can be described asf= 239.9σ^(-036).Ying Sun Xifeng Li Xiangyu Yu Delong Ge Jun Chen Jieshi Chen 2014Acta Metallurgica Sinica(English Letters)2014,27,1:1
4Electroacupuncture increased cerebral blood flow and reduced ischemic brain injury:dependence on stimulation intensity and frequency显示文摘Fei Zhou Jingchun Guo Jieshi Cheng 0,,:1
5Chemical regeneration of human tooth enamel under near-physiological conditions显示文摘Yin Yujing YunSong Fang Jieshi etal 2009Cheml Comm2009,39,:1
6Electro-acupunc- ture attenuates nitric oxide release from rat striatum after transient middle cerebral artery occlusion显示文摘Zhao Peng Huang Zhinong Cheng Jieshi 2000Acupunct Elec- trother Res2000,25,:1
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