Prediction of Superplastic Properties of Lead Brass Based on BP Neural Network;
基于BP神经网络的铅黄铜超塑性能预测
Effects of Modification on As-cast Microstructure and Properties as well as Solidification Mode of Lead Brass in Permanent Mold;
变质处理对铅黄铜铸态组织及凝固方式的影响
The BP network predicting models of lead brass among superplastic tension temperature,initial strain rate and elongation,flow stress were established using the Levenberg-Marquardt method.
借助Levenberg-Marquardt算法,建立了铅黄铜超塑性拉伸温度、初始应变速率与延伸率、流动应力之间的BP网络预测模型,分析了拉伸温度、初始应变速率与延伸率和流动应力之间的关系,得出了铅黄铜最佳的超塑性条件,并以此为依据,进行了铜合金轴承保持架的超塑性成形试验。
The mathematic model of predicting C3602 leaded brass hardness after annealing was set up with the help of grey system theory.
利用灰色系统理论建立了C3602铅黄铜退火后硬度预测的数学模型,结果显示在250℃～500℃退火温度范围内,预测值与实测值呈现出较高的吻合性,其相对误差在0。
Factors Affecting the Tone during Production of Lead Chrome Yellow Pigments;
在铅铬黄颜料生产过程中影响其色光的诸因素分析
Microencapsulation of lead chrome yellow and its mechanism have been researched and the quantitative method characterization of particle surface shape by surface fractal dimensionality( D ) has been investigated.
研究了铅铬黄粒子的微胶囊化及其机理；探讨了对粒子表面形貌的量化表征方法。
Leaded brass strips for special purpose
GB/T11089-1989专用铅黄铜带
Leaded brass bar for making needle seat of syringe
GB/T4428-1984铅黄铜针座棒
Engravers brass
恩格雷弗斯含铅黄铜
HPb63-0.1 leaded brass tube for air valve mouth applications
GB/T8010-1987气门嘴用HPb63-0.1铅黄铜管
Study of Continuous Extrusion for Brass HPb59-1
铅黄铜HPb59-1连续挤压工艺的研究
Hot Extrusion Process of HPb59-1 Flange with Capsule Method
包套法热挤压铅黄铜HPb59-1法兰工艺
cassel yellow (lead oxychloride)
氯化铝黄（氯氧化铅）
Chinese art metal
中国工艺品用铅锡黄铜
Clinical Characteristics of 16 Cases of High Blood Lead or Lead Poisoning Caused by Using Huangdan Powder in Infants
外用黄丹粉致婴幼儿高铅血症、铅中毒16例
"Lead chromate, PbCrO, a yellow pigment often combined with lead sulfate, PbSO, for lighter hues."
铬黄铬酸铅,PbCrO,一种通常与硫酸铅化合的黄色染料,PbSO,用于浅色颜料.
Brass, copper, stainless steel, bismuth, and lead are all suitable.
黄铜、铜、不锈钢、铋及铅都是适合的。
The Study of Flotation of Lead Oxide by Using Xanthate and Its Molecular Structure and Property;
氧化铅浮选黄药分子结构与性能研究
Determination of Heavy Metals in Gold Tea
黄金茶中砷、汞、镉、铅的含量测定
A red, yellow, or brown mineral, essentially an ore of vanadium and lead.
钒铅矿一种红色、黄色或褐色矿物，尤指一种铅和钒矿
any of several yellow pigments consisting of normal lead chromate and other lead compounds.
任何由常态的铬酸铅和其他铅化合物组成的黄色颜料。
Effects of Lead Stress on the Concentration of Lead Accumulated and Leaf Physiological Characteristics of Euonymus japonicus
铅胁迫对大叶黄杨铅积累量及叶片生理特性的影响
Lead and Sulfur Isotope Geochemistry of the Huangshaping Lead-Zinc Deposit,Hunan Province
湖南黄沙坪铅锌多金属矿床铅、硫同位素地球化学特征
What bronze uses is not brass,but red copper and the alloy of plumbum and stannic.
青铜所用的不是黄铜，是红铜和铅、锡的合金。