A metallurgical coating process in which iron or steel is immersed in a powder of another metal , such as zinc , chromium , or aluminum , and heated to a temperature below the melting point of either 渗碳处理一种冶金镀膜工序，在此工序中把钢或铁浸入另一种金属如锌、铬或铝的粉剂里，并加热至这一金属的熔点温度以下
Through the investigation of coating processes of covering parts of construction equipment , it is suggested that stream line operation should be adopted for covering parts coating and then to assemble the coated parts products 通过对工程机械设备的覆盖涂装工艺的探讨，建议涂装覆盖件采用流水线作业，对涂装成品件实施装配。
And our products are produced in accordance with the din and other country ' s standard , we provides a variety of heads , drives , tails , threads and non - standard customized fasteners , which can be subjected to different coating processes 产品生产严格按照德标等国际标准进行生产，各类头型、槽型、尾型、牙型齐全，并且具备各种、各色涂层工艺。
The produces are typically made into graphite ladles in aluminum smelting , casting beds & pistons in copper processing , and grphite parts , graphite shells . graphites tanks , tubes , etc . inoxygen - free copper coating process of the tv - manufacturing system 炼铝用的石墨勺、铜加工用的浇铸座、塞杆等、电视系统生产元件氧铜浸涂工艺所用石墨元件、石墨壳体、流槽等。
Baoji anode new material co . , ltd is mainly engaged in the metal anode , the active negative pole , the metal anode electric tank , the special metal coating processing and the production , and metal anticorrosion technology consultation and technical service 该公司主要从事金属阳极、活性阴极、金属阳极电解槽、特种金属涂层的加工和生产，以及金属防腐技术的咨询与技术服务。
2the aluminum substrates for roller coating are all imported aluminum sheets or high quality hot rolled aluminum alloy plates purchased from southwest aluminum factory . applying high - performance roller coating processing technique , weare able to effectively control the precision and evenness of the substrates 2滚涂铝板基材均采用进口铝板或西南铝厂生产的热轧优质铝合金板，引进高科技，配合高性能的滚涂加工工艺，有效地控制了板材地精度和平整度。
2the aluminum substrates for roller coating are all imported aluminum sheets or high quality hot rolling aluminum alloy plates purchased from southwest aluminum factory . applying highperformance roller coating processing technique , we are able to effectively control the precision and evenness of the substrates 2滚涂铝板基材均采用进口铝板或西南铝厂生产的热轧优质铝合金板，引进高科技，配合高性能的滚涂加工工艺，有效地控制了板材地精度和平整度。
The epitaxial struture for ld is an ingaas / gaas / algaas ssqw grin sch structure and the width of the array bar ia 4mm . the low theshold current 2 . 9a the output power 20w at 17 . 5a have been achieved by sioi isolation , ohmic contact and facet coating processes . the central wavelength is 979nm . at the same time , model analyses on the structure of the ssqw ld and the fabrication processes have been made for further research 激光器的生长结构采用ingaas / gaas / algaas分别限制应变单量阱线性缓变折射率波导结构，列阵条宽为4mm ，通过sio _ 2掩膜，欧姆接触和腔面镀膜等工艺，实现了阈值电流为2 . 9a ，驱动电流为17 . 5a时输出功率为20w 。
The paper discusses the specific problems about the conductive light - solidification composite material ( clscm ) deeply in theory ; presents the coat process of manufacturing clscm and some simple experiment methods creatively . we use several different fillings and different technics to make different clscm , and test some performances . in addition , we confect a kind of fiber - resin composite , and research the relationship between the performance of the material and the distortion of parts 从理论上深入探讨了开发导电性光固化复合材料应注意的问题，指出了填料的性能与添加量对复合材料性能的影响；提出了开发导电性复合材料的涂层工艺及一些简易的实验方法；利用不同的填料、不同的工艺方式开发出不同的导电性光固化复合材料，并对其多种性能进行了实验测定或估测；根据理论分析，研究了材料性能与零件变形的关系，配制出纤维?树脂复合材料。
