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双语推荐：铜浆

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本文采用熔融-水淬法制备了SiO2-B2 O3-Bi2 O3、SiO2-B2 O3-ZnO和SiO2-B2 O3-CaO 3种体系的无铅玻璃粉，根据玻璃粉的XRD和差热分析结果，分析并讨论了玻璃析晶、成玻化程度及玻璃转化温度Tg 对铜浆性能的影响，并通过SEM观察了铜膜的表面形貌，验证了以上分析。结果表明：SiO2-B2 O3-CaO体系的无铅玻璃粉具有良好的成玻性和合适的玻璃转化温度，采用该体系作为铜浆的玻璃相，铜浆性能较好。
Three kinds of system lead-free powder such as SiO2-B2O3-Bi2O3,SiO2-B2O3-ZnO and SiO2-B2O3-CaO were prepared by melting-quenching in this paper.According to the results of XRD and differential thermal analysis of glass beads,the effects of glass crystallization,vitreous degree and the transition temperature Tg on the properties of copper paste were discussed.In addition,the surface of the copper film morpholopy was observed by SEM,and it vali-dated the analysis above.The results show that the SiO2-B2O3-CaO system lead-free glass powder has the good into glass and suitable transition temperature,the copper paste with this system of glass has good performance.

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通过液相还原两步法制备氧化亚铜颗粒进而制备铜粉，分别以立方体、球形、八面体氧化亚铜颗粒为前驱体，考察了前驱体对铜粉密实性的影响。利用XRD、SEM、激光粒度分析仪、氮吸附比表面仪对样品进行了表征。研究结果表明：以立方体氧化亚铜为前驱体制备的球形铜粉更密实，即振实密度大、比表面积小、粒径分布窄，适合制备导电铜浆。
Copper powders and cuprous oxide particles were prepared by a two-step liquid reduction method.Cu-bic,spherical,octahedral cuprous oxide particles were used as precursors respectively and the effect of the pre-cursors on density of copper powders was investigated.The products were characterized by XRD,SEM,nitrogen adsorption specific surface analyzer and particle size distribution.The results showed spherical copper powders which were prepared using cubic cuprous oxide particles as precursors had a high tap density,a small specific surface area and a narrow size-distribution,and applied to conductive copper paste.

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针对松树南沟金矿微细粒浸染含铜低品位金矿石，通过工艺流程改造，将原矿破碎后堆存自然氧化再进行全泥氰化-炭浆法提金，氰化尾水经提铜后返回氰化作业实现尾矿干排，金回收率达86．71％，铜回收率达90％。这对干旱缺水地区矿产资源的综合利用以及环境保护起到了示范作用。
In view of the low grade copper-containing mircrofine disseminated gold ores in Songshunangou gold deposit ,a renovated process was applied by stockpiling crushed crude ores for them to naturally oxidize prior to all -sli-ming cyanidation-CIP gold extraction process .Cyanidation tailing water after extraction of copper returns to the opera-tion to achieve dry discharge of tailings .With this,the gold recovery rate reached 86.71 %and copper recovery rate reached 90%.The process has played an exemplary role for the comprehensive utilization of mineral resources and en -vironmental protection in water deficient lands .

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某含铜金精矿难于处理,金呈亚显微形式存在。研究了采用热压预氧化法脱铜,氧化渣氰化浸出金,考察了温度、压力、矿浆浓度、搅拌强度和预氧化时间对氧化脱铜的影响。试验结果表明:在温度210℃、氧分压1.1MPa、液固质量比5∶1、搅拌强度700r/min、预氧化时间70min条件下,铜脱除率大于98%;氧化脱铜渣浆用石灰调pH为10~11,用质量浓度为1g/L的NaCN浸出金,金浸出率大于98%。
A gold concentrate containing copper is refractory .Most of gold exists in the form of submic roscopic gold .Conventional cyanidation leaching rate of gold in the concentrate is lower than 20% . Removal of copper by pressure oxidation at heating and leaching of gold by cyanidation was studied . The effects of temperature ,oxygen pressure ,the mass ratio between liquid and solid ,stirring speed and time on the removal rate of copper were examined .The results show that at the conditions of temperature of 210 ℃ ,oxygen pressure of 1 .1 MPa ,the mass ratio between liquid and solid of 5∶1 , stirring speed of 700 r/min and preoxidation time of 70 minutes ,the removal rate of copper is more than 98% .The oxidizing slag slurry’s pH is adjusted in the range of 10-11 using lime ,then to leach gold using sodium cyanide solutin of 1 g/L ,the leaching rate of gold is more than 98% .

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目的探讨结肠癌组织中铜转运相关蛋白ATP7A、ATP7B和CTR1的表达与患者临床病理特征及预后的关系。方法对上海芯超生物科技有限公司提供的75例未进行任何治疗的癌组织标本组织芯片的CTR1、ATP7B和ATP7A表达面积比率进行统计分析。分析铜转运相关蛋白表达与患者临床病理特征的关系,并分析其中26例与患者生存期的关系。结果 ATP7A、ATP7B和CTR1表达水平与性别及肿瘤分期均无相关性（P〉0.05）,与年龄有关（P〈0.05）;ATP7A胞浆中位染色率为47%,胞核中位染色率为60%,胞膜不表达;ATP7B胞浆中位染色率为70%,胞核中位染色率为50%,胞膜不表达;CTR1胞浆中位染色率为52%,胞核、胞膜几乎不表达;TP7A、ATP7B和CTR1染色比率大于均数组与小于均数组之间的生存率差异无统计学意义（P〉0.05）。结论在结肠癌中铜转运相关蛋白表达水平与性别及肿瘤分期均无关,与年龄大小有关;ATP7A、ATP7B在胞浆、胞核中均有表达,在细胞膜上未见表达;ATP7A胞核表达高于胞浆,ATP7B在胞浆、胞核中均匀分布;CTR1主要在胞浆中表达,胞核、胞膜几乎不表达;CTR1、ATP7A和ATP7B在亚细胞定位的表达率与生存期无关系。
Objective To investigate the relationship in the expression of copper transporter-related pro-tein such as ATP7A,ATP7B and CTR1, clinicopathological features and prognosis. Methods Expres-sion area ratio of CTR1, ATP7B and ATP7A of tissue microarray, from 75 cancerous tissues specimens which had not been treated, provided by Shanghai Outdo Biotech Co.,Ltd., were analyzed. The relation-ship of copper transporter-related protein and clinicopathological features, 26 cases of the relationship with the patient survival were also analyzed. Results There was no correlation between expression lev-els of ATP7A, ATP7B, CTR1 and sex and tumor stage(P>0.05),while age-related(P 0.05). Conclusion In colon cancer,there were no relation in copper transporter-related protein expression levels, gender and tumor stage. But it was related to age. ATP7A,ATP7B was expressed in the cytoplasm of the nu-cleus,and no expression in the cell membrane;The ATP7A nucleus expression is higher than the cyto-plasm. ATP

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介绍电气接地装置铜包钢材料接头热焊熔接中出现的残缺、内部密集蜂窝状气孔、未熔合和漏浆等质量缺陷,对其形成原因进行试验分析,提出控制措施,指导工程施工,取得一定的效果。
Introduced the honey comb porosity,the lack of fusion,the slurry leak and some quality defects occurred in the thermal weld of the copper clad steel connectors used in electric grounding device, analyzed the main cause of the connector quality defects. Some measures are suggested to meet the construction quality requirements of acceptance specification.

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采用氧化酸浸方法研究了高硅钴白合金的铜钴提取过程，考查了不同酸浸体系、氧化剂用量、H2SO4/HCl的摩尔比、液固比、浸出温度和浸出时间等因素对铜、钴浸出率的影响.结果表明：以硫酸和盐酸的混合液为浸出剂，当浸出温度为70℃、浸出时间为2 h、n（H2SO4）∶n（HCl）为8∶2、初始酸度为5 mol/L且其过量系数为1.2、以氯酸钠为氧化剂且其过量系数为1.4时，合金中钴、铁、铜的浸出率均可达99%以上，且无氯化亚铜沉淀产生，无硅胶产生，浸出浆的过滤性能良好.
The oxidative acid leaching process of Co white alloy containing high silicon is studied. The influences of leaching agent, oxidant dosage, molar ratio of H 2SO4/HCl, liquid-solid ratio, leaching temperature and time on leaching rate of cobalt and copper are investigated. The results show that more than 99 % of Co, Fe, Cu can be leached under the following conditions: initial acidity 5.0 mol/L, mole ratio of H 2SO4/HCl 8:2 as leaching agent, excess coefficient of acidity 1.2, excess coefficient of oxidant (NaClO3) 1.4, leaching temperature 70 ℃ for 2 h. Leaching slurry is easy to be filtrated with no cuprous chloride precipitation and silica gel.

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开拓工程是矿山建设的重要组成部分,其施工速度与质量直接影响整个矿山建设进度及使用。以甲玛铜多金属矿二期工程4261平硐掘进为工程背景,分析了平硐突水的主要原因,提出了平硐突水段及构造破碎围岩段采用的注浆堵水加固综合治理方案;详细介绍了注浆堵水和巷道掘砌加固施工过程。工程应用实践表明,综合治理有效地封堵了出水通道,恢复了正常掘砌工作,收到了预期效果。
Expansion project is an important part in mine construction ,whose construction speed and quality di-rectly influence the entire progress and operation .The paper takes the second phase project of Jiama copper polymetal-lic mine-No.4261 Adit excavation-for engineering background ,after analyzing the cause of water inrush in adit ,it comes up with a comprehensive treatment plan ,which is grouting and plugging water reinforcement ,against the water inrush section and structural broken surrounding rock section .The construction process of grouting and plugging water and reinforcement of roadways is in detail introduced .The application process indicates that the comprehensive treat-ment effectively blocks water passage ,and recommences regular excavation work ,achieving anticipated effects .

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从长坡-铜坑锡多金属矿矿床地质出发，分析其热水沉积成矿和岩浆热液成矿的证据，认为其主要成矿作用为泥盆纪热水沉积成矿，燕山期花岗岩浆热液则对早期的热水沉积矿体进行叠加改造，故矿床是热水沉积成矿-岩浆热液叠加改造的产物。
Starting from Changpo-Tongkeng Sn polymetallic deposit,this paper analyzes the evidences of sedi-mentation-exhalation mineralization and magmatic hydrothermal mineralization.It is believed that the prima-ry mineralization is Devonian sedimentation-exhalation mineralization.The Yanshanian granite magma hy-drothermal fluid superimposes the early sedimentation-exhalation ore-bodies,therefore,it is concluded that the deposit is sedimentation-exhalation genetic and magmatic hydrothermal fluid superimposed deposit.

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对低卡伯值的麦草浆采用全无氯漂序OQP和OQP1P2进行漂白,探讨了不同目标白度(78.0%ISO至85.7%ISO)的工艺条件。研究结果表明,低卡伯值麦草浆经氧脱木素(O)和螯合预处理(Q)后,纸浆的kappa值为3.9,黏度为965ml/g。两段常压过氧化氢漂白后,纸浆的最高白度为85.7%ISO。其工艺条件如下:O段:氧压0.7MPa,反应温度100℃,反应时间60min,NaOH用量4.0%,MgSO4用量0.5%;两段常压过氧化氢漂白的工艺条件:反应温度80℃,总H2O2用量8.0%,但实际消耗的过氧化氢量较少,这主要是因为螯合处理后未漂浆的卡伯值仅为3.9,铁离子含量为29mg/kg,铜离子含量为19mg/kg,锰离子含量为3mg/kg。
Totally chlorine-free bleaching sequence (OQP/OQP1P2) of low kappa number wheat straw pulp and the operating conditions for various brightness (from 78.0%ISO to 85.7%ISO) of bleached pulp were investigated. The results show that chelated oxygen-delignification of wheat straw pulp has a kappa number of 3.9, a viscosity of pulp 965 ml/g. The process conditions to the highest ISO brightness of 85.7% are as follow: O stage, oxygen pressure 0.7MPa, reaction temperature 100℃, reaction time 60 min, NaOH charge 4.0%, MgSO4 charge 0.5%, reaction temperature 80℃, total H2O2 dosage 8.0%, but the consumption of H2O2 is low, because the kappa number and content of transition metal are low. The kappa number is 3.9, the content of Fe is 29 mg/kg, the content of Cu is 19 mg/kg, and the content of Mn is 3 mg/kg, respectively.

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