该项研究表明,持续接触1元面值(合88美分)和2元面值的欧元硬币5分钟,这两种硬币中所含的镍合金就可能引发皮肤病症状,包括皮炎和皮肤搔痒。
Just five minutes of contact with one-euro (88 U.S. cents) and two-euro coins containing nickel alloy could trigger symptoms, including skin inflammation or itching, the study said.
并且注意,用在高等级铝合金上的清洁剂,不得接触遮阳篷的布。
Also note that the cleaning agent, which is used on high grade aluminum alloy, must not touch the awning cloth.
同时,对该合金优良的接触疲劳抗力的来源进行了探讨。
The mechanism of the good contact fatigue resistance of the alloy was investigated.
5056铝合金保险丝应该用于接触金属镁的位置,以防止电化学腐蚀(常见于液压系统油滤上)。
Clad 5056 Aluminum alloy wire should be used for safety wire which touches magnesium to prevent galvanic corrosion.
通过各种铜合金的特性分析,提出高速电气化铁路接触导线的材料选用。
This paper presents the characteristics of various kinds of copper alloy and material selection for contact wire for high speed electrified railways.
近年来该合金作为一种新材料被广泛地用于制作电子工业、电器设备上的电极触头板、接触环、夹持体等零件。
As a new material, the alloy has found its extensive use in electronics industry and electrical equipment in recent years for the electric contact plate, contact ring, clamping part etc.
此中,BMAT中关系最为亲密地抄录接触和粒子力学地效劳前提,而且可以定量合金机能比拟亲密地共同,这些效劳。
Of these, the BMAT most closely reproduces the contact and particle mechanics of service conditions, and can give quantitative alloy performance comparisons closely matching those in service.
我们曾经报告过利用铝电极和锡或锡合金探头之间的烧结现象来实现接触的过程。
We report on the contact process utilizing fritting phenomena between al electrode and probes made of tin or tin gold alloy.
试验结果表明:表面合金涂层能显著提高合金铸铁齿轮的接触疲劳寿命,文中同时分析了合金涂层的组织结构和性能。
The results showed that the alloy coatings can increase significantly the contact fatigue lifetime of alloy cast-iron gears. The microstructure and properties of coatings were also analysed.
方法:在人工唾液中体外模拟异种合金瞬间咬合接触时的回路,浸泡初记录各偶对的电位及15个瞬间接触电流值。
Methods The circuits of instantly different metallic contact were simulated in artificial saliva, and electrical potential of every couple and 15 currents of instant contact were measured.
从电接触的角度来看,铜基合金被用于接触导线和受电弓滑板的制造。
From the viewpoint of electric contact, copper base alloys have been applied to contact wires and also to pantograph sliders.
在管道内与流体接触的部件是黄铜和铍铜合金。流量开关以三通管方式安装在水平或垂直管道上。
Parts in contact with liquid in pipe are of brass and beryllium copper. Flow switch installs in tee in horizontal or vertical piping.
目前对煤的转化系统和CS_2反应炉等接触含硫介质设备的设计,要求提供合金在含硫气氛中的腐蚀数据。
Corrosion data was required in coal inversion system or CS2 furnace for commercial alloys used in sulfur-containing gas.
另外,对现有的银铜类合金接触线应改善它的平直度,以降低离线率,使质量达到国外同类先进产品的水平。
It must improve the regularity of the present cupreous alloys in order to reduce the rate of contact loss and make its quality reaches up to the level of excellent overseas congeneric product.
结论硬质合金粉尘接触可导致人体头发钴含量显著增高,但对人体全血钴含量影响不大。
Conclusion Hard alloy dust exposure can greatly increase the hair cobalt content of workers, but it almost has no influence on the blood cobalt content in the experimental group.
通过对铝合金、结构钢等金属接触腐蚀表面的EDS成分分析和SEM微观形貌分析,探讨金属材料与玄武岩微纤维隔热材料接触腐蚀的原因。
Based on EDS and SEM analysis of metal corrosion surface, the course of contact corrosion between aluminum alloy, structural steel and basaltic microfiber heat-resistant materials were proposed.
由激光合金化获得的接触电阻率可与热合金化的最佳值相比。
The specific contactresistances achieved by laser irradiation can be compared with the best results obtained by thermal alloying.
北赛电工接触线的生产工艺主要包括合金熔炼、连续铸造、连续挤压、轧制、在线探伤、拉拔成型以及热处理等。
The main production technology of BSEC includes alloy melting, continuous casting continuous extruding, rolling, online detection, drawing molding, heat treatment, etc.
第9.2节于2008年6月11日修订9.3一个通过一器件的确定的接地接触件或接地导线通路应该用电镀的或不电镀的铜或铜合金制成。
See Section 21. 9.2 revised June 11, 2008 9.3 An identified grounding contact, or grounding-conductor path through a device shall be of plated or unplated copper or copper-based alloy. Exception No.
对于大多数合金,只要在雾化时采取减少与氧的接触,就能达到降低合金粉末中氧的含量的目的。
Regarding majority alloy, so long as in atomization time adopts reduced and the oxygen contact, can achieve reduces in the powdered alloy the oxygen content goal.
研究了TC4合金在柱面-平面接触条件下的微动疲劳行为,分析了其微动疲劳损伤机制。
The fretting fatigue behavior of TC4 alloy was investigated using cylinder-plane configuration. Based on the experimental results, the damage mechanism of fretting fatigue failure was discussed.
摇盘凸模接触到铝合金液时,控制加压速度平稳一些,可减少气孔的产生。
It can decrease the production of air hole by controlling the stableness of the velocity when female die contacted the liquid of aluminium.
我们发现在断开探头和电极之间的接触后,锡和铝的混合物或合金在接触面和探头或铝电极上形成了。
It was found that the mixture or alloy of tin and aluminum is generated in the contact area and remains on both the probe and the aluminum electrode after breaking the contact.
给出了非合金接触情况下,PNP型HBT基极比接触电阻和接触阻抗的解析计算方法和结果。
In this paper, we proposed a theoretical method and results for calculating special contact resistance and contact impedance of base contact of a PNP type HBT.
两磁体放置过程中,接触方式和放置时的间隔距离对合金磁通均有明显影响。
The contact model and spacing distance between the samples are strongly affected on the magnetic flux when two magnets put together.
本压片机模具与物料接触部分均为钛合金材料,具有良好的防腐功能。
The contact parts between mould and materials are made of titanium alloy, with good anti-corrosion performance.
LCL中的铁磁合金具有比其所接触的铁磁合金(MAG2或MAG1)大得多的晶粒间交换耦合。
The ferromagnetic alloy in the LCL has significantly greater intergranular exchange coupling than the ferromagnetic alloy with which it is in contact (MAG2 or MAG1).
根据顾客的特殊需要,我们可以采取个性化的设计与制造:材质:物料接触部分材质可为普通不锈钢、特殊不锈钢或钛合金等。
The design and manufacturing of individuation are available: material: Commom stainless, special stainless steel, copper alloy can be used for the material of the parts suspension contacts.
研究结果显示:环境温度、相对湿度、铝合金与橡胶抗老化涂层接触的紧密程度都是铝合金腐蚀的显著影响因子;
The results demonstrated that environmental temperature, relative humidity, the tightness of contact were the remarkable influential factors for the aluminum alloy corrosion;
研究结果显示:环境温度、相对湿度、铝合金与橡胶抗老化涂层接触的紧密程度都是铝合金腐蚀的显著影响因子;
The results demonstrated that environmental temperature, relative humidity, the tightness of contact were the remarkable influential factors for the aluminum alloy corrosion;
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