查询词典 peacock copper

More than 30 students and postdoctoral researchers havecome together in China to study the archaeology of ancient mining, castiron technology, copper smelting, bronze casting, and technicalceramics through a summer school co-organised by the UCL Institute ofArchaeology.

30多个学生和博士后研究人员已经走到一起，研究中国古代的考古挖掘，铸铁技术，铜冶炼，青铜铸造，陶瓷和技术，通过暑期学校联合举办的伦敦大学学院考古研究所。

He Tesseron cognacs are double distilled in gleaming copper 'pot' stills heated by a naked flame. Only the 'heart' of the distillation is selected for maturation into Cognac.

esseron cognacs在用明火加热的铜壶里进行二次蒸馏，在掐头去尾之后，中间的部分才进行陈酿，制成干邑。

There are two different typical treatment technologies in PCB spent etching solution in China now-cyclic regeneration end producing copper sulfate,In the paper,the technology process,resource utilization and environment infection are compared and analyzed between them.

当前我国PCB行业的废蚀刻液主要存在着两种典型的处理和处置方法：即循环再生技术与加工硫酸铜技术。

The thermal behaviors of three NTO-based PBXs and their compatibilities with aluminum,copper and stainless steel were investigated using TG-DSC and vacuum stability test.

采用TG-DSC联用仪、真空安定性对NTO基的三种高聚物粘结炸药的热行为及其与铝、铜、不锈钢的相容性进行了研究。

This article introduces joint type of copper-aluminum pipe,including straight pipe butted joint,flared pipe insert joint,reducing pipe insert joint and reducing pipe lap joint,and the welding technologies in domestic and abroad,including friction welding,energy storage welding,flash welding,resistance welding,braze welding,cold butt welding and ultrasonic welding.

介绍了铜铝管的接头形式，主要包括：直管对接、扩口管插接、缩口管插接和缩口管搭接；以及国内外的焊接技术，主要包括：摩擦焊、储能焊、闪光焊、电阻焊、钎焊、冷压焊及超声波钎焊等。

Use some steel wool to remove any tarnish and polish it up. Cleaning the copper in this way will make it easier to solder.

把 steel wool磨毛，再把它磨光，用这样的方法处理铜片，从而会变得容易焊接。

For instance, 0.5, 1 and 2 ounces per square foot are equivalent to 18, 35 and 70 um-thick copper layers.

例如，0.5， 1 和2安士每平方英尺相当于18，35和70微米的铜层。

The specific resistance of iron is not so small as that of copper.

铁的电阻系数不如铜的电阻系数那样小。

The specific resistance of iron is not so small as that of copper.

铁的电阻率不如铜的电阻率那样小。

The results show that, under the condition of the existence of the encapsulations and ultrasonic field, by the selecting suitable composition of the CuSO4 solution and reducer, the copper powder with diameter of less than 100 nm.

研究表明：在包覆剂存在的条件下，硫酸铜溶液与不同还原剂相配合，在超声场作用下可制得粒径小于100 nm的铜粉。

Given the language of section 102(2), the Supreme Court's rejection of substantive review under NEPA seems unjustifiable in principle

按照第102条的规定，最高法院否决《国家环境政策法》所规定的实质性复审在原则上似乎是不正当的。

ObjectiveTo explore the effect of variable hip abduction orthosis on children spastic cerebral palsy.

目的探讨髋关节矫形器在儿童痉挛型脑性瘫痪康复中的作用。