铜作

A great number of relics of jade and turquois unearthed from Hemudu,Dawenko,Hongshan,andDaxi culture in the middle and late...

本文拟根据这些考古材料，从研完冶铜术发生的技术条件入手，结合古文献，对这个问题作一探讨。

Zillah also had a son, Tubal-Cain, who forged all kinds of tools out of bronze and iron.

22洗拉又生了土八该隐，他是打造各样铜铁利器的(或作"是铜匠铁匠的祖师")。

Zillah also bore Tubal-cain; he was the forger of all instruments of bronze and iron.

洗拉又生了土八该隐；他是打造各样铜铁利器的（或作：是铜匠铁匠的祖师）。

A breakthrough was made in the ore prospecting work of Longweigou area, and Cu-Au orebodies with economic potential were disco-vered for the first time on the southern margin of the altun Mountains.

在青海龙尾沟地区的找矿工作中取得了突破，在阿尔金山南缘首次发现了具有工业意义、具一定规模和较大资源潜力的铜、金矿体。

Chemical antiquing solution may be obtained at your DIY center. This will produce an aged appearance. Coat lightly at first and then add additional liquid until you reach the finish you like.

化学仿古的方法可以通过你的手工得到，这样可以产生一种岁月的效果，先在铜上作漆膜，然后使用另外的一些液体，直到得到你想要的结果。

Calli of an indica rice cultivar Qiuguiai 11 were used as material for a further study on the effects of copper in calli cultures.

以籼稻栽培品种秋桂矮11的愈伤组织为材料，对铜元素的作用作了进一步的研究。

A method to measure the content of nickel in the nickel iso - caprylate by complexometric titration using ethylenediamine tetraacetic acid was set up.

以乙二胺四乙酸或柠檬酸作配位剂，在无氰的硫代硫酸盐–亚硫酸盐体系中研究了金在镀镍铜基底上的电沉积。

These are main problems of eutrophication.In this paper we selected alga that suits to grow under different concentration of nutrition, after selecting seed, domesticating, culturing alga purely in the lab, we gained Hydrodictyon reticulatum and microalga, most of which are Miorocystis and chlorella.

本文选取在不同营养水平条件下适合生长的藻类物种，在实验室进行选种、驯化和纯化培养，得到水网藻和微藻(主要为微囊藻Miorocystis、小球藻chlorella)；以实验室培养的生长速度快、生产能力高的水网藻为原料，制备一系列环境友好性光敏物质——叶绿素及其衍生物，运用光敏氧化分光光度法测定活性氧(O_2~-，H_2O_2，·OH，和~1O_2)，根据其光敏产生活性氧效率，进行光敏物质的筛选；选用叶绿素铜及其钠盐，以微藻为实验控制对象，以Cu~(2+)作培养对照，在相同光照、营养条件下进行控藻实验。

Resorcinol was prepared from isophthalic acid through liquid-phase catalytic oxidation and subsequent hydrolysis using oxygen in the air as oxidizing agent in the presence of catalyst copper and promoter manganese.

崔建新；肖如亭(天津理工大学生物与化工学院)摘要：以间苯二甲酸为起始原料，在催化剂铜和助剂镁作用下，以空气中的分子氧作氧化剂，通过液相催化氧化继而水解制得间苯二酚。

In - situ photoelectrochemical microscopic method has been used to characterize the spatial variation of the film formed on the copper surface in buffer - borax solutions (pH 9.2) with different concentration of benzotriazole and combined benzotriazole methanoic acid ester .

采用激光扫描微区光电化学显微技术对不同浓度下的苯并三氮唑及其衍生物4-羧基苯并三唑甲酯与5-羧基苯并三唑甲酯的混合物在硼砂缓冲溶液(pH9.2)中对铜电极的缓蚀作用作了比较研究。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。