印制电路板 (PCB)设计规范
本设计规范规定了印制电路板设计中的基本原则和技术要求,在进行印制板设计时,应考虑本规范所述的四个基本原则。电气连接的准确性:印制板设计时,应使用电原理图所规定的元器件,印制导线的连接关系应与电原理图导线连接关系相一致,印制板和电原理图上元件序号应一一对应。可靠性和安全性:印制板电路设计应符合电磁兼容和电器安规的要求。工艺性:印制板电路设计时,应考虑印制板制造工艺和电控装配工艺的要求,尽可能有利于制造、装配和维修,降低焊接不良率。经济性:印制板电路设计在满足使用的安全性和可靠性要求的前提下,应充分考虑其设计方法、选择的基材、制造工艺等,力求经济实用,成本最低。
文档内容部分截取
电路板(PCB)设计规范版本(V1.0)编制:审核:会签:批准:生效日期:up,andmemberscadresshoevocationalduediligencecombinedup,ensuresuccessfullycompletedearlydetermineofthetargettask,ensuresuccessfullycompletedlevelsleadershipgeneraltask,ensuresuccessfullycompletedpovertystormingannualtargettask,ensuresocialoverallharmonystable.Three,compactingthemainresponsibilitiesandstrengthenthe"two"leadershipofeducationalorganizationsdoagoodjob"two"educationwithoutastrongorganizationandleadership.Partyconstructionofpartyorganizationsatalllevelsshouldfirmlyestablishthemainconsciousness,graspingpartybuildingasthefirstresponsibility,strengthenleadership,demonstrable,scientifictoensuresolideducationeffectively.First,thelayersofresponsibility.Partycommittees(leadingpartygroup)tostudyeducationasamajorpoliticaltask,primaryresponsibilityforeffectiveimplementation,strengthenleadership,carefullyguidingtheSteering,doagoodjoboverall,studyandsolveproblemsinatimelymanner.Progressevaluationbythegrass-rootspartybuildingthiyear,tostudyeducationastheprimaryevaluationorganizations,poororganization,theproblemsaremany,tocriticize,toccountability.Mainisresponsibleforcomradetoconsciouslybearupfirstresponsibilitypeopleduties,notonlytotubegoodcadres,andwithgoodteam,alsototubegoodmembers,andwithgoodteam,bothfirstexamples,leadparticipateinlearningeducation,andbyQiancommand,inputenoughoftimeandenergy,strengthenedGuideandchecksrole,onworkprogrammepersonallyvalidation,onimportanttaskpersonallydeployment,onexistsproblemtimelysolution,throughoutputresponsibilitycarryinshoulderShang,improper"shuaishouzhanggui".TheCountypartyCommitteeandmunicipalpartyCommitteemunicipalworkers,Variousenterprisesandinstitutions,Commission,partycommitteesanddepartmentsinchargeofindustrypractice,developspecificimplementationplan,organizingspecialforcesresponsibleforeducationalworktostrengthenthisunittothesystemstudyandeducationintheregionspecificguidance.Organizationdepartments,astheleaddepartment,tostrengthentheplanning,organization,coordinationandguidance,gooddesign,decomposition,eachkeyactiontoimplement.Carryoutstudyandeducation,torelyonstrictdocrealguide,pressureconveyinglayeruponlayer,stepbystep,compactionofresponsibility.InsteeringtheSteeringmustpreventformalism,catchthewaythethinkingofpreventionactivities,studyandeducation,preventingroutineaside,preventsimple,doingasmuchasmeetingnotestojudgetheeducationalresults.Totakereports,customizedresearch,attendingthemeeting,randomspotchecks,briefingsandothermeans,tofocusthepushGuidetograssroots,onthepartybranch,in-depthunderstandingofeducationandactualeffect,sumupfreshexperiencetopromotegrassroots,todetectandcorrectthesignsofproblems.Publicinformationepartmentsshouldpayspecialattentiontopublicopinion,in-depthinformationrelatingtoprovincial,municipalandCentraldecisionsandarrangementstopromoteeducationaleffectivenessandprogressofthetypicalexperience,andcreateagoodsocialatmosphere.Second,perseveringinaboverates.Leadingbodiesatalllevels,leadership,leadingcadresshouldtakethelead,asagoodexample,andaskingotherstodoyoufirstdoit,asksofothersandnotthemselvesdeterminednottodo,forexampleofsuperiortosubordinate,teamleaderforteammembersforexample,leveltolevel,levelwithlevels,layersofdrivenmodel,layeruponlayer,formationoftheshots,theoverallgeneraleffectoflinkage.Needstressedofis,regardlessofwhatranks,andwhatpostofmembersleaders,aretotoGeneralmembersidentityputhimselfpendulumin,seriouslyimplementationCentralandprovincial,andmunicipalonlearningeducationoftherequirements,strictlyimplementationdoubleorganised,basicsystem,leadlearningdiscussion,leadonexperience,andtoldpartylecture,andforreport,leadparticipateinorganisedwill,anddemocraticcomments,leadshoevocationalduediligence,andbasedpostforcontribution,do"fourtoldfourhas"ofqualifiedCommunist,strivetomakeslearningresearchmorein-depth,andcheckpendulumproblemmoredeep,Toreorganizetheimplementationofmoreradical,avant-gardemorerespectableimage,thuslearningeducationeffective.Third,strengthentheguidance.Theeducationforallmembers,largepersonnelbase,widefield,hierarchy,difference,andtodifferentiatebetweencounties,departments,grass-rootsunits,allkindsofpartyorganizationandpartymemberbetweentheactualcharacteristicsofhierarchicalclassificationpositionsputforwardmeasurestoprevent"floodirrigation."Tohaveoperable.Eachpartyshoulddevelopspecificprogrammesandspecificmeasures,educationprinciplesandlearningrequirementsintooperational,abletoputinplaceways.Tograspfromthespecificwork,hard,catchingfinepractce,withconcreteresultstoverifytheeducationalresults.Shouldbetargeted.Differentpartymember'sideologicaltrendsandbehaviors,differentialtreatmentineducation,precisionapplicationpolicy,"keystartslocks",downtolearnanddothemeasureseachpartymember,enablingthemtoaccesstoeducation,improve,makepeoplefeelMembersofthenewchanges.Toreflectthedifference.Nouniform,thousandsofpeople,andgiveexpressiondifferences,characteristics.Indeterminingthelearningwhenthetopicwasdiscussed,accordingtodifferentcharacteristicsandexistingproblemsofpartymembers,bothcloselylinkedtothetheme,andreality,letpartymemberslearn,ontheup.DoqualifiedCommunistofstandardalsocannotuniform,Countyabovemembersleadersstandardtomorehighmorestrict,toinsistedloyaltycleanplay,doJiaoYulutypeofgoodcadres;onCountyfollowingthefieldtheindustryofmembersto印制电路板(PCB)设计规范(V1.0)1范围本设计规范规定了印制电路板设计中的基本原则和技术要求。本设计规范适用于盈科电子有限公司的印刷电路板的设计。2引用文件(本设计规范参考了美的空调事业部的电子设备用印刷电路板的设计。)下列标准所包含的条文,通过在本标准中引用而构成为本标准的条文。本标准出版时,所示版本均为有效。所有标准都会被修订,使用本标准的各方应探讨使用下列标准最新版本的可能性。GB4706.1-1998家用和类似用途电器的安全QJ/MK03.025-2003空调器防火规范参考文件:GB4588.3-1988印刷电路板设计和使用QJ3103-1999印刷电路板设计规范(中国航天工业总公司)3定义无。4基本原则在进行印制板设计时,应考虑本规范所述的四个基本原则。4.1电气连接的准确性印制板设计时,应使用电原理图所规定的元器件,印制导线的连接关系应与电原理图导线连接关系相一致,印制板和电原理图上元件序号应一一对应。注:如因结构、电气性能或其它物理性能要求不宜在印制板上布设的导线,应在相应文件(如电原理图上)上做相应修改。4.2可靠性和安全性印制板电路设计应符合电磁兼容和电器安规的要求。4.3工艺性印制板电路设计时,应考虑印制板制造工艺和电控装配工艺的要求,尽可能有利于制造、装配和维修,降低焊接不良率。4.4经济性印制板电路设计在满足使用的安全性和可靠性要求的前提下,应充分考虑其设计方法、选择的基材、制造工艺等,力求经济实用,成本最低。5技术要求5.1印制板的选用5.1.1印制电路板的层的选择up,andmemberscadresshoevocationalduediligencecombinedup,ensuresuccessfullycompletedearlydetermineofthetargettask,ensuresuccessfullycompletedlevelsleadershipgeneraltask,ensuresuccessfullycompletedpovertystormingannualtargettask,ensuresocialoverallharmonystable.Three,compactingthemainresponsibilitiesandstrengthenthe"two"leadershipofeducationalorganizationsdoagoodjob"two"educationwithoutastrongorganizationandleadership.Partyconstructionofpartyorganizationsatalllevelsshouldfirmlyestablishthemainconsciousness,graspingpartybuildingasthefirstresponsibility,strengthenleadership,demonstrable,scientifictoensuresolideducationeffectively.First,thelayersofresponsibility.Partycommittees(leadingpartygroup)tostudyeducationasamajorpoliticaltask,primaryresponsibilityforeffectiveimplementation,strengthenleadership,carefullyguidingtheSteering,doagoodjoboverall,studyandsolveproblemsinatimelymanner.Progressevaluationbythegrass-rootspartybuildingthiyear,tostudyeducationastheprimaryevaluationorganizations,poororganization,theproblemsaremany,tocriticize,toaccountability.Mainisresponsibleforcomradetoconsciouslybearupfirstresponsibilitypeopleduties,notonlytotubegoodcadres,andwithgoodteam,alsototubegoodmembers,andwithgoodteam,bothfirstexamples,leadparticipateinlearningeducation,andbyQiancommand,inputenoughoftimeandenergy,strengthenedGuideandchecksrole,onworkprogrammepersonallyvalidation,onimportanttaskpersonallydeployment,onexistsproblemtimelysolution,throughoutputresponsibilitycarryinshoulderShang,improper"shuaishouzhanggui".TheCountypartyCommitteeandmunicipalpartyCommitteemunicipalworkers,Variousenterprisesandinstitutions,Commission,partycommitteesanddepartmentsinchargeofindustrypractice,developspecificimplementationplan,organizingspecialforcesresponsibleforeducationalworktostrengthenthisunittothesystemstudyandeducationintheregionspecificguidance.Organizationdepartments,astheleaddepartment,tostrengthentheplanning,organization,coordinationandguidance,gooddesign,decomposition,eachkeyactiontoimplement.Carryoutstudyandeducation,torelyonstrictdocrealguide,pressureconveyinglayeruponlayer,stepbystep,compactionofresponsibility.InsteeringtheSteeringmustpreventformalism,catchthewaythethinkingofpreventionactivities,studyandeducation,preventingroutineaside,preventsimple,doingasmuchasmeetingnotestojudgetheeducationalresults.Totakereports,customizedresearch,attendingthemeeting,randomspotchecks,briefingsandothermeans,tofocusthepushGuidetograssroots,onthepartybranch,in-depthunderstandingofeducationandactualeffect,sumupfreshexperiencetopromotegrassroots,todetectandcorrectthesignsofproblems.Publicinformationepartmentsshouldpayspecialattentiontopublicopinion,in-depthinformationrelatingtoprovincial,municipalandCentraldecisionsandarrangementstopromoteeducationaleffectivenessandprogressofthetypicalexperience,andcreateagoodsocialatmosphere.Second,perseveringinaboverates.Leadingbodiesatalllevels,leadership,leadingcadresshouldtakethelead,apartylecture,andforreport,leadparticipateinorganisedwill,anddemocraticcomments,leadshoevocationalduediligence,andbasedpostforcontribution,do"fourtoldfourhas"ofqualifiedCommunist,strivetomakeslearningresearchmorein-depth,andcheckpendulumproblemmoredeep,Toreorganizetheimplementationofmoreradical,avant-gardemorerespectableimage,thuslearningeducationeffective.Third,streideologicaltrendsandbehaviors,differentialtreatmentineducation,precisionapplicationpolicy,"keystartslocks",downtolearnanddothemeasureseachpartymember,enablingthemtoaccesstoeducation,improve,makepeoplefeelMembersofthenewchanges.Toreflectthedifference.Nouniform,thousandsofpeople,andgiveexpressiondifferences,characteristics.Indeterminingthelearningwhenthetopicwasdiscusse一般情况下,应该选择单面板。在结构受到限制或其他特殊情况下,经过研发经理的批准,可以选择用双面板设计。5.1.2印制电路板的材料和品牌的选择5.1.2.1双面板应采用玻璃纤维板FR-4,单面板应采用半玻纤板CEM-1或纸板,特殊情况下,如果品质可以得到确保,经过研发部长、市场部长、制造部长共同批准,单面板可以使用环氧树脂板FR-1、FR-2。5.1.2.2印制板材料的厚度一般选用1.6mm,双面铜层厚度一般为0.5盎司(18微米),大电流则可选择两面都为1盎司(35微米),单面铜层厚度一般为1盎司(35微米)。特殊情况下,如果品质可以得到确保,经过研发经理、制造经理、业务经理的共同批准,可以选择其他厚度的印制板。5.1.2.3印制板材料的性能应符合企业标准的要求。5.1.2.4新品牌的板材由必须由电控工艺组织确认。5.1.3印制电路板的工艺要求双面板原则上应该是喷锡板(除含有金手指的遥控器板和显示板外),单面板原则可采用抗氧化膜工艺的单面板。5.2贴片方案的选择尽可能采用插件方案设计,在客户要求或设计上的需要,(如印制板过小,插件无法排布),方可考虑贴片方案。5.3布局5.3.1印制电路板的结构尺寸5.3.1.1板的尺寸必须控制在长度100-400mm之间,宽度在80-220mm之间,过大不易控制板的变形,过小要采用拼板设计以提高生产效率。5.3.1.2在满足空间布局与线路的前提下,力求形状规则简单。最好能做成长宽比例不太悬殊的长方形,最佳长宽比参考为3∶2或4∶3。5.3.1.3印制板的两条长边应平行,不平行的要加工艺边,以便于生产加工过程中的设备传输。另外如果元器件距离板边小于5mm,也需要增加工艺边。焊盘与板边最小距离4mm。一般工艺边的宽度为5mm。5.3.1.45.3.1.5印制电路板应有测试工装的定位孔,定位孔的直径应该为φ4.0+0.05/-0mm的孔,孔距的公差要求在±0.08mm之内,数量至少3个,放置时应尽量拉开距离,且距离板边缘至少有2mm以上的间距,保证在生产时针床、测试工装等地方便。5.3.1.6印制电路板的结构尺寸(包括外型与孔位)应与电控盒的机械结构设计完全匹配。螺丝孔半径2.5mm内不能有铜箔(除要求接地外)及元件.(或按结构图要求)。5.3.1.75.3.1.8自动贴片工艺的印制电路板的定位尺寸应符合自动贴片机的工艺要求。在有贴片的PCB板上,为提高贴片元件的贴装的准确性,应在贴片层放置两个校正标记(MarkS),分别设于PCB的一组对角上;标记直径1mm-1.5mm的焊盘,标记部的铜箔或焊锡从标记中心up,andmemberscadresshoevocationalduediligencecombinedup,ensuresuccessfullycompletedearlydetermineofthetargettask,ensuresuccessfullycompletedlevelsleadershipgeneraltask,ensuresuccessfullycompletedpovertystormingannualtargettask,ensuresocialoverallharmonystable.Three,compactingthemainresponsibilitiesandstrengthenthe"two"leadershipofeducationalorganizationsdoagoodjob"two"educationwithoutastrongorganizationandleadership.Partyconstructionofpartyorganizationsatalllevelsshouldfirmlyestablishthemainconsciousness,graspingpartybuildingasthefirstresponsibility,strengthenleadership,demonstrable,scientifictoensuresolideducationeffectively.First,thelayersofresponsibility.Partycommittees(leadingpartygroup)tostudyeducationasamajorpoliticaltask,primaryresponsibilityforeffectiveimplementation,strengthenleadership,carefullyguidingtheSteering,doagoodjoboverall,studyandsolveproblemsinatimelymanner.Progressevaluationbythegrass-rootspartybuildingthiyear,tostudyeducationastheprimaryevaluationorganizations,poororganization,theproblemsaremany,tocriticize,toccountability.Mainisresponsibleforcomradetoconsciouslybearupfirstresponsibilitypeopleduties,notonlytotubegoodcadres,andwithgoodteam,alsototubegoodmembers,andwithgoodteam,bothfirstexamples,leadparticipateinlearningeducation,andbyQiancommand,inputenoughoftimeandenergy,strengthenedGuideandchecksrole,onworkprogrammepersonallyvalidation,onimportanttaskpersonallydeployment,onexistsproblemtimelysolution,throughoutputresponsibilitycarryinshoulderShang,improper"shuaishouzhanggui".TheCountypartyCommitteeandmunicipalpartyCommitteemunicipalworkers,Variousenterprisesandinstitutions,Commission,partycommitteesanddepartmentsinchargeofindustrypractice,developspecificimplementationplan,organizingspecialforcesresponsibleforeducationalworktostrengthenthisunittothesystemstudyandeducationintheregionspecificguidance.Organizationdepartments,astheleaddepartment,tostrengthentheplanning,organization,coordinationandguidance,gooddesign,decomposition,eachkeyactiontoimplement.Carryoutstudyandeducation,torelyonstrictdocrealguide,pressureconveyinglayeruponlayer,stepbystep,compactionofresponsibility.InsteeringtheSteeringmustpreventformalism,catchthewaythethinkingofpreventionactivities,studyandeducation,preventingroutineaside,preventsimple,doingasmuchasmeetingnotestojudgetheeducationalresults.Totakereports,customizedresearch,attendingthemeeting,randomspotchecks,briefingsandothermeans,tofocusthepushGuidetograssroots,onthepartybranch,in-depthunderstandingofeducationandactualeffect,sumupfreshexperiencetopromotegrassroots,todetectandcorrectthesignsofproblems.Publicinformationepartmentsshouldpayspecialattentiontopublicopinion,in-depthinformationrelatingtoprovincial,municipalandCentraldecisionsandarrangementstopromoteeducationaleffectivenessandprogressofthetypicalexperience,andcreateagoodsocialatmosphere.Second,perseveringinaboverates.Leadingbodiesatalllevels,leadership,leadingcadresshouldtakethelead,asagoodexample,andaskingotherstodoyoufirstdoit,asksofothersandnotthemselvesdeterminednottodo,forexampleofsuperiortosubordinate,teamleaderforteammembersforexample,leveltolevel,levelwithlevels,layersofdrivenmodel,layeruponlayer,formationoftheshots,theoverallgeneraleffectoflinkage.Needstressedofis,regardlessofwhatranks,andwhatpostofmembersleaders,aretotoGeneralmembersidentityputhimselfpendulumin,seriouslyimplementationCentralandprovincial,andmunicipalonlearningeducationoftherequirements,strictlyimplementationdoubleorganised,basicsystem,leadlearningdiscussion,leadonexperience,andtoldpartylecture,andforreport,leadparticipateinorganisedwill,anddemocraticcomments,leadshoevocationalduediligence,andbasedpostforcontribution,do"fourtoldfourhas"ofqualifiedCommunist,strivetomakeslearningresearchmorein-depth,andcheckpendulumproblemmoredeep,Toreorganizetheimplementationofmoreradical,avant-gardemorerespectableimage,thuslearningeducationeffective.Third,strengthentheguidance.Theeducationforallmembers,largepersonnelbase,widefield,hierarchy,difference,andtodifferentiatebetweencounties,departments,grass-rootsunits,allkindsofpartyorganizationandpartymemberbetweentheactualcharacteristicsofhierarchicalclassificationpositionsputforwardmeasurestoprevent"floodirrigation."Tohaveoperable.Eachpartyshoulddevelopspecificprogrammesandspecificmeasures,educationprinciplesandlearningrequirementsintooperational,abletoputinplaceways.Tograspfromthespecificwork,hard,catchingfinepractce,withconcreteresultstoverifytheeducationalresults.Shouldbetargeted.Differentpartymember'sideologicaltrendsandbehaviors,differentialtreatmentineducation,precisionapplicationpolicy,"keystartslocks",downtolearnanddothemeasureseachpartymember,enablingthemtoaccesstoeducation,improve,makepeoplefeelMembersofthenewchanges.Toreflectthedifference.Nouniform,thousandsofpeople,andgiveexpressiondifferences,characteristics.Indeterminingthelearningwhenthetopicwasdiscussed,accordingtodifferentcharacteristicsandexistingproblemsofpartymembers,bothcloselylinkedtothetheme,andreality,letpartymemberslearn,ontheup.DoqualifiedCommunistofstandardalsocannotuniform,Countyabovemembersleadersstandardtomorehighmorestrict,toinsistedloyaltycleanplay,doJiaoYulutypeofgoodcadres;onCountyfollowingthefieldtheindustryofmembersto圆形的4mm范围内应无阻焊区或图案,如下图:不能有阻焊区和图案对于IC(QFP)等当引脚间距小于0.8mm时,要求在零件的单位对角加两个标记,作为该零件的校正标记,如下图所示:5.3.2焊接方向5.3.2.1一般情况下,印制电路板过波峰焊的方向,应平行于印制电路板的长边,垂直于印制电路板的短边;如下图。5.3.2.2过波峰方向尽量与元件脚间距密的IC及接插座连接线等器件的长边方向一致;如下图。5.3.2.3PCB过波峰方向应在元件面的丝印层上有明确、清晰的箭头标识;如下图。过波峰方向up,andmemberscadresshoevocationalduediligencecombinedup,ensuresuccessfullycompletedearlydetermineofthetargettask,ensuresuccessfullycompletedlevelsleadershipgeneraltask,ensuresuccessfullycompletedpovertystormingannualtargettask,ensuresocialoverallharmonystable.Three,compactingthemainresponsibilitiesandstrengthenthe"two"leadershipofeducationalorganizationsdoagoodjob"two"educationwithoutastrongorganizationandleadership.Partyconstructionofpartyorganizationsatalllevelsshouldfirmlyestablishthemainconsciousness,graspingpartybuildingasthefirstresponsibility,strengthenleadership,demonstrable,scientifictoensuresolideducationeffectively.First,thelayersofresponsibility.Partycommittees(leadingpartygroup)tostudyeducationasamajorpoliticaltask,primaryresponsibilityforeffectiveimplementation,strengthenleadership,carefullyguidingtheSteering,doagoodjoboverall,studyandsolveproblemsinatimelymanner.Progressevaluationbythegrass-rootspartybuildingthiyear,tostudyeducationastheprimaryevaluationorganizations,poororganization,theproblemsaremany,tocriticize,toaccountability.Mainisresponsibleforcomradetoconsciouslybearupfirstresponsibilitypeopleduties,notonlytotubegoodcadres,andwithgoodteam,alsototubegoodmembers,andwithgoodteam,bothfirstexamples,leadparticipateinlearningeducation,andbyQiancommand,inputenoughoftimeandenergy,strengthenedGuideandchecksrole,onworkprogrammepersonallyvalidation,onimportanttaskpersonallydeployment,onexistsproblemtimelysolution,throughoutputresponsibilitycarryinshoulderShang,improper"shuaishouzhanggui".TheCountypartyCommitteeandmunicipalpartyCommitteemunicipalworkers,Variousenterprisesandinstitutions,Commission,partycommitteesanddepartmentsinchargeofindustrypractice,developspecificimplementationplan,organizingspecialforcesresponsibleforeducationalworktostrengthenthisunittothesystemstudyandeducationintheregionspecificguidance.Organizationdepartments,astheleaddepartment,tostrengthentheplanning,organization,coordinationandguidance,gooddesign,decomposition,eachkeyactiontoimplement.Carryoutstudyandeducation,torelyonstrictdocrealguide,pressureconveyinglayeruponlayer,stepbystep,compactionofresponsibility.InsteeringtheSteeringmustpreventformalism,catchthewaythethinkingofpreventionactivities,studyan…
展开
-
中核第四研究设计工程有限公司
所属地区 : 全国
丙级专业资信
服务范围:轻工、纺织,电力(含火电、水电、核电、新能源)
-
承德天智招标代理有限公司
所属地区 : 全国
丙级专业资信
服务范围:建筑,市政公用工程
-
四川五洲华普工程设计有限公司
所属地区 : 全国
乙级专业资信
服务范围:石化、化工、医药
-
大同市建筑设计研究院
所属地区 : 全国
丙级专业资信
服务范围:建筑
-
湖南省建筑设计院有限公司
所属地区 : 全国
甲级专业资信
服务范围:市政公用工程,建筑
-
北京中水利德科技发展有限公司
所属地区 : 全国
丙级专业资信
服务范围:水利水电
-
中石化上海工程有限公司
所属地区 : 全国
甲级专业资信
服务范围:石化、化工、医药
-
成都城电电力工程设计有限公司
所属地区 : 全国
甲级专业资信
服务范围:电力(含火电、水电、核电、新能源)
-
安徽伟森咨询有限责任公司
所属地区 : 全国
乙级专业资信
服务范围:建材,水运(含港口河海工程)
-
上海市卫生建筑设计研究院有限公司
所属地区 : 全国
乙级专业资信
服务范围:建筑
-
中广电广播电影电视设计研究院
所属地区 : 全国
甲级专业资信
服务范围:电子、信息工程(含通信、广电、信息化),建筑
-
厦门中建东北设计院有限公司
所属地区 : 全国
甲级专业资信
服务范围:建筑
- 声环境保护目标范围? 2021-03-03
- 10.以下各项中不属于项目建设方案总体设计工作的是( ) 。A.产品方案和建设规模方案 B.编制主要工程项目一览表,对各分项目提出建设方案设计要求C.主要生产工艺技术方案 D.环境保护方案设计 2021-02-23
- 1983年12月召开第二次全国环境保护会议提出“三项建设、三同步和三统一”指的是什么? 2021-01-17
- 我国环境保护的三大政策、基本战略方针、目标和任务是什么? 2021-01-17
- 环境保护行政主管部门依据哪些法律法规,查处哪些环境违法行为? 2021-01-17
- 请问环境保护“三同时”制度的概念是什么? 2021-01-17
- 新大气污染防治法对企业事业单位和公民在大气环境保护方面的责任和义务是怎么规定的? 2021-01-16
- 我国有哪些重要的环境保护法律法规? 2021-01-16
- 《水污染防治法》规定,排放水污染物超过国家或者地方规定的水污染物排放标准,由县级以上人民政府环境保护主管部门按照权限责令限期治理,限期治理的期限最长为多久? 2021-01-11
- 《环境噪声污染防治法》规定,在城市市区范围内,建筑施工过程中使用机械设备可能产生环境噪声污染的,施工单位必须在工程开工前一定时间向工程所在地县级以上地方人民政府环境保护行政主管部门申报该工程的相关情况,具体时间是什么时间? 2021-01-09
- 什么是环境保护法律? 2021-01-01
- 哪一年颁布的《中华人民共和国刑法》专设一节“破坏环境保护罪“的规定? 2020-12-31
- 我国第一个环境保护法是哪年制定的? 2020-12-31
- 公民应当增强环境保护意识,采取什么的生活方式,自觉履行环境保护义务? 2020-12-31
- 我国新《环境保护法》第十九条规定,编制有关开发利用规划,建设对环境有影响的项目,应当依法进行什么? 2020-12-31
- 我国新《环境保护法》自什么时间起施行? 2020-12-31
- 环境保护法的主要任务是保护和改善环境,防治污染和什么? 2020-12-31
- 新(改、扩)建焦化项目必须符合什么、区域规划、行业发展规划、城市建设发展规划、城市环境总体规划、土地利用规划、节能减排规划、环境保护和污染防治规划等规划的要求? 2020-07-30
- 是什么明确了环境保护与发展的统一关系,是人类在环境保护问题上的认识飞跃? 2020-04-03
- 传染病医院环境保护设施建设基本要求? 2020-03-08
- ?排污单位存在哪些违反排污许可证行为的,由县级以上环境保护主管部门依据相关规定,责令改正或者责令限制生产、停产整治,并处十万元以上一百万元以下的罚款;情节严重的,报经有批准权的人民政府批准,责令停业、关闭? 2020-01-31
- 投资咨询中场(厂)址的环境保护条件比较主要内容? 2019-11-28
- 请问如何确定印制电路板废水量? 2019-05-28
- 请问印制电路板废水主要来源是什么? 2019-05-28
- 请问印制电路板废水处理工艺应针对哪种污染物? 2019-05-28
- 请问印制电路板的定义是什么? 2019-05-27
- 请问印制电路板废水治理工程设计的实施原则是什么? 2019-05-27
- 请问印制电路板行业废水治理工程技术规范的使用范围包括什么? 2019-05-27
- 如何确定印制电路板废水量? 2019-05-26
- 印制电路板废水主要来源是什么? 2019-05-26
全部评论