查询词典 copper

These revealed that high dose copper can destroy function of erythrocytic membrane and cause oxidative stress, which may be one of the mechanisms of goat erythrocytic haematolysis induced by high dose copper. 3 High copper caused the increase of osmotic fragility of erythrocyte and AGLT50 in acor glycerine solution.

高铜导致红细胞膜超氧化物歧化酶和谷胱甘肽过氧化物酶活性降低，氧化产物丙二醛含量增多，引起红细胞抗氧化功能降低，诱发氧化胁迫，使得红细胞处于氧化应激状态，这可能是高铜致羊红细胞溶破机制之一。

After the reckoning, the copper alclad power cable and under the copper conductor electric cable performance same condition compares: May save the copper material 78%, saves raw material cost above 20%, weight saving 40%.

经过测算，铜包铝电力电缆与铜导体电缆性能相同条件下相比：可节约铜材78%，节约原材料成本20%以上，重量减轻40%。

The making of cloisonne requires elaborate processes: pure copper base-hammering in various manners, copper or gold strip inlay, enamel-filling, enamel-firing, polshing and gilding, which displays delicateness in copper-strip inlay, bright and smooth glaze, fresh and lightening color.

钓鱼台景泰蓝以紫铜做坯，制成各种造型，再用金线或铜丝掐成各种花样，中充珐琅釉，经烧制、磨光、镀金等工序制成。其制作工艺讲究，掐丝细，釉面光亮，色彩鲜艳而明亮。

The precision lapping technology to machine the copper substrate using semi-fixed abrasive plate was studied. The surface roughness and material removal rate as the evaluation of indicators, the influences of the different lapping parameters on the surface roughness and material removal rate were discussed and analyzed. Experimental results indicated that the copper substrate could be efficiently machined by semi-fixed abrasive plate of 800(superscript #) SiC abrasive, and the initial roughness Ra of a machined surface could be improved from 0.553μm to 0.28μm in 10min, produced an ideal rarely scratch surface. Then processed copper polished by diamonded grinding paste, it could be satisfied for the Ni-Pd-P alloy thin film growth.

主要研究半固着磨具精密研磨非晶态Ni-Pd-P合金薄膜铜片衬底，以铜片衬底的表面粗糙度和材料去除率为评价指标，探讨了研磨过程中不同的工艺参数对铜片表面粗糙度和材料去除率的影响结果表明：用800 SiC半固着磨具对铜片衬底进行研磨加工，10min后铜片表面粗糙度Ra可由0553μm减小到0.28μm，同时表面无深划痕：加工后的铜片再经金刚石研磨膏抛光可快速获得满足Ni-Pd-P合金薄膜生长用的铜片衬底表面。

The specialty makes the Al2O3/Cu composite material by internal oxidation of deeply aluminized pure copper matrix is more fine to be the diathermanous copper material of metallurgical equipment in the high temperature service condition than the ageing and solution alloy of aluminized deeply pure copper.

这种特性使得纯铜深层渗铝内氧化Al2O3/Cu复合材料在高温服役条件下比纯铜深层渗铝固溶时效合金更适合用作冶金设备用传热铜材料。

To provide sciencetenability for bioremediation of copper contamination and its toxicity, copperaccumulation and the adaptation of Eichhornia crassipes to copper stress wereinvestigated in this study. Further study was carried out for copper-removal of acopper-resistant strain isolated from the root of E.

本研究通过分析凤眼莲对铜的累积作用及其生理响应，阐明铜胁迫下凤眼莲的生理适应机制，并探讨凤眼莲根系抗铜菌的去铜作用及其在缓解菹草铜胁迫毒害中应用潜力。

Welding earth wire: separate copper woven wire into three pieces, weave it again and enwind the phase respectively as well as weld it on the shielded copper band with electric iron and soldering tin; polish steel band welding area with sandcloth, and firmly weld with armored cable after wrapping up with copper wire.

2焊接地线：将铜编织线拆开分成三份，重新编织分别绕各相，用电烙铁、焊锡焊接在屏蔽铜带上；用砂布打光钢带焊接区，用铜丝绑扎后与钢铠焊牢。

High copper also can cause the decrease of ATPase activity and membrane fluidity. These revealed that high dose copper destroied function of erythrocytic membrane and cause haematolysis, which may be one of mechanisms of the toxic effect induced by high dose copper.

高铜使红细胞渗透脆性增加，在酸性甘油溶液中的溶血速度(AGLT50)升高，细胞膜ATPase活性降低和膜流动性降低，表明高铜能够破坏红细胞膜的功能，进而使得红细胞发生溶破，这可能是高铜对羊红细胞毒性作用的机制之一。

In view of the low ore grade and recovery of the flotation concentration ,improving grinding fineness,promoting the concentration grade of copper 1.94% and the recovery of copper 3.32%,it can increate copper morn than 540t and the profits morn than 18,000,000 RMB,we achieved strikingly economic profits.

针对该矿浮选精矿品位及回收率偏低的现实，通过提高磨矿细度，铜精矿品位提高1.94%，铜回收率提高3.32%，每年多回收铜540t，增加利润1800多万元，取得了很好的经济效益。

Most copper cleaned with cyanide will have a rosy hue for a day or so after cleaning but on exposure to air will return to a nice copper color, so it is well to wait a day or two before lacquering the copper.

大多数铜的清洗与氰化物将会有一个美好的色彩，一，两天，使清洗后的，但对与空气接触就返回到尼斯铜颜色，所以不妨等待一至两天前，漆器，铜。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。