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                                                                          搜索

                                                                          邮箱:sales2@sinomaceramic.com (氮化物公司)
                                                                          sales@sinomaceramic.com (北京分公司)

                                                                          友情链接:中材高新材料股份有限公司

                                                                           

                                                                           版权所有?中材高新氮化物陶瓷有限公司     电话:0533-3911332     鲁ICP备14009186    官方网站建设:中企动力淄博分公司 

                                                                          行业新闻

                                                                          环保部将发文坚决执行“水十条” 工业集聚区水污染治理须落到实处
                                                                          沐森
                                                                          摘要:
                                                                          记者从环保部获悉,环保部将印发《工业集聚区水污染治理任务推进方案》,要求以硬措施落实“水十条”任务。对逾期未完成任务的省级及以上工业集聚区一律暂停审批和核准其增加水污染物排放的建设项目,并依规撤销园区资格。  环保部水环境管理司有关负责人6日向媒体通报称,一些地方落实工业集聚区水污染治理任务的进展较慢,距离“水十条”时限要求有不少的差距。“工业集聚区是工业发展的重要载体,建成污水集中处理设施并安装
                                                                          国务院关于进一步扩大和升级信息消费持续释放内需潜力的指导意见
                                                                          沐森
                                                                          摘要:
                                                                          各省、自治区、直辖市人民政府,国务院各部委、各直属机构:  近年来,随着互联网技术与经济社会深度融合,我国信息消费快速发展,正从以线上为主加快向线上线下融合的新形态转变,网络提速降费深入推进,消费主体不断增加、边界逐渐拓展、模式深刻调整,带动其他领域消费快速增长,已成为当前创新最活跃、增长最迅猛、辐射最广泛的经济领域之一,对拉动内需、促进就业和引领产业升级发挥着重要作用。但与此同时,我国信息消费有
                                                                          氮化物陶瓷类型的浅析
                                                                          沐森
                                                                          发布时间:
                                                                          2017-09-29 09:16
                                                                          摘要:
                                                                          1.氮化硅陶瓷  1.1氮化硅的基本特性  aα-Si3N4:低温型,是针状结晶体。β-Si3N4:高温型,是颗粒状结晶体。将高纯硅在1200-1300℃下氮化,可得到白色或灰白色的α-Si3N4,而在1450℃左右氮化时,可得到β-Si3N4。  aα-Si3N4在1400-1600℃下加热,会转变成β-Si3N4。1900℃分解。Si3N4强度和韧性优于SiC,但抗氧化性和高温强度不及SiC。
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