GB/T 43330.2-2024 英文版/外文版/翻译版 船舶压载水处理系统
GB/T4208-2017Degreesofprotectionprovidedbyenclosure(IPcode)GB/T10250Electricalandelectronicinstallationsinships–ElectromagneticcompatibilityGB/T20936.1Gasdetectorsforexplosiveatmospheres-Part1:PerformancerequirementsofdetectorsforflammablegasesGB/T22839-2010T...
给爱因斯坦写信的年轻人,开创了量子力学的新方向|费米|玻色|狄...
译者注:玻色原始信件中紧接着表达了请求爱因斯坦帮助发表它的愿望,“我的德文不够好,无法将论文翻译成德文。如果您觉得这个文章值得发表,请您帮忙安排它在ZeitschriftfürPhysik发表。尽管对您来说,我是一个完全的陌生人,我还是毫不犹豫地向您致以请求。因为我们都是您的学生,尽管只能通过阅读您的论文而聆听教...
New alliance to study greenhouse gases in agriculture
Expertssaythatagricultureprovides14percentoftheworld'sgreenhousegasemissionseachyear.Thegasesreleasedincludecarbondioxide,amajorcauseofglobalwarming.Twenty-onenationsaroundtheworldrecentlyjoinedforcestobetterunderstandandpreventgreenhousegasemissionsfromfa...
手机有了嗅觉--中国数字科技馆
翻译南の生审校李轩Devicesthatdetectpotentiallyhazardousgasesorairborneenvironmentalpollutantsareoutthere.Butthey’reexpensiveandbulky.NowM.I.T.researcherssaythey’vedevelopedawaytogetthesamedetectionabilities—withyoursmartphone.能检测潜在有害气体或空气污染...
GB 50058-2014 英文版(www.GB-GBT.cn)|燃烧|粉尘|蒸气|可燃性|...
2.0.25重于空气的气体或蒸气heavier-than-airgasesorvapors相对密度大于1.2的气体或蒸气。2.0.26轻于空气的气体或蒸气lighter-than-airgasesorva-pors相对密度小于0.8的气体或蒸气。2.0.27粉尘层的引燃温度ignitiontemperatureofdustlayer...