简介：DFS-C02V井最大日产气量超过3万m3,为彬长矿区乃至全国范围内的煤层气高产井之一,本文结合DFS-C02井组钻遇煤体结构、井眼轨迹、矿区掘进巷道和排采技术管理等方面影响因素,对DFS-C02V井高产原因进行分析,对煤层气多分支水平井开发方案设计、排采技术管理提供有效借鉴作用。

简介：Source:MITTechnologyntroductionNotallbreakthroughsarecreatedequal.Somearrivemoreorlessasusablethings;othersmainlysetthestageforinnovationsthatemergelater,andwehavetoestimatewhenthatwillbe.Butwe’dbetthateveryoneofthemilestonesonthislistwillbeworthfollowinginthecomingyears.1.MagicLeap

简介：1.Generalsituationofrareearthmarket2015isthelastyearofthe"twelfth-fiveyear"andalsothekeyyearto,comprehensivelydeepenreform.AgreatprogresshasbeenmadeinChina’seconomicsystemreformduringtheperiod.Fromthepointofeconomicoperation,China’sindustrialeconomymadeasteadyprogress.Addedvalueofhigh-techindustryincreasedby10.4%duringthefirstthreequarters,4.2%higherthantheoverallindustrialgrowthrate.

简介：Inthefirsthalfof2015,rareearthmarketdeclinedafteraperiodofpricerising.Rareearthpricesfacedseverdownwardpressurecurrently.Itwasthoughtthefallingtrendcouldlastforsometime.InearlyJanuary,mainstreampriceofdidymiumoxidewas280,000-285,000yuan/ton.Itstartedtoriseslowlyandincreasedby10,000-12,000yuanpertoninearlyFebruary.Thepriceofdidymiumoxidehad

简介：2015TopTenRareEarthScienceandTechnologyNewshasbeenrevealedbyChinaRareEarthInformationCenter,NationalInformationNetworkandthemediaof'RareEarthInformation','ChineseRareEarths','ChinaRareEarthInformation'andChinaRareEarthNet.Thetoptenrareearthscienceandtechnologynewsareselectedfrommorethan100rareearthscienceandtechnologynewsreportedbythe

简介：China'srareearthexportpolicychangedgreatlyin2015.RareearthexportquotaswerecancelledinearlyJanuaryandexporttariffswereputanendinearlymay.Thecancellationofbothexportpoliciesgreatlystimulatedrareearthexportmarketsduring2015.Chinatotallyexportedabout34,800tonsofrareearthproductsduring2015,up25.62%year-on-year;exportvaluereachedabout$373million,up0.24%year-on-year;averageexportpricewas$10.71perkg,down20.20%year-on-year.

简介：Withthesixrareearthgroups'productionrestrictionandthecrackdownonillegalproductionandsmuggling,rareearthmarketfluctuatedslightlyduringthefourthquarterof2015.PriceofsomerareearthproductslikePr,NdandDykeptonincreasingwhilepriceofLa,Ce,EuandYtslippedconstantly.Mostoftheconsumersexpressedthatitwasadifficultyearin2015.Priceofseparationproductshaddroppedbelowthecost.Many

简介：以资源一号02C卫星数据为遥感数据源,在粤北地区开展了矿山地质环境监测。在野外踏勘建立解译标志的基础上,进行人机交互解译,获取了研究区的矿山地质环境状况,并进行了野外实地验证,同时也对资源一号02C卫星数据在矿山地质环境监测应用中存在的问题和不足进行了分析,并提出了改进方向。研究发现,利用资源一号02C卫星数据能较好的提取矿山土地资源占用、地质灾害、环境污染等地质环境信息和环境治理恢复情况,为矿山环境治理恢复提供有效的技术支撑。

简介：ImportofrareearthmetalandalloyinChinaup38%inthefirstquarteryear-on-yearAccordingtocustomsstatistics,Chinaimported27.67tonsofrareearthmetalsandalloysinMarch,valuedUSD427,200.ImportsfromJanuarytoMarchaccumulatedto100.4tons,up38.1%year-on-year.TheimportvaluetotaledUSD1.28millionduringthefirstthreemonths.DuringJanuarytomarch,Chinaimported65.9

简介：6."Developmentofhigh-performancerareearthluminescentmaterialforwhiteLED"projectbyFujianInstituteofResearchontheStructureofMatter(FJIRSM)passedtheacceptance"Developmentofhigh-performancerareearthluminescentmaterialforwhiteLED",akeyspecificS&TsubjectinFujianprovince,ledbyFujianInstituteofResearchontheStructureofMatter(FJIRSM)passedtheexpertsacceptanceonJanuary29,2015.

简介：通过对武汉东西湖区典型第四纪钻孔ZK02孔沉积物的粒度特征分析,重建了武汉东西湖区第四纪以来的沉积环境演变过程。结果显示,该区早更新世时期为河流相的沉积环境;中更新世—晚更新世晚期,为河湖交替相的沉积环境;全新世早期—全新世中期,为开阔的河流相沉积环境;全新世中期以来,整体处于湖泊沼泽相的沉积环境。区域上地层对比还显示该区全新世地层沉积厚达50m,可能是晚更新世晚期全球气温骤降,海平面急剧下降导致汉江水系下切侵蚀后快速堆积形成的,沉积记录显示末次冰盛期该区存在最深海拔达-22m的深切河槽现象。

简介：StategovernmentIntensifiedregulationonrareearthindustryduringthe'Eleventh-Fiveyear'period(2006～2010)andhadimplementedseriesofcontrolmeasures,whichplayedanpositiveroleinreversinglowsellingpriceofrareearths,prohibitingillegalmining,improvingscatteredoperationandcrackingdownonsmuggling.Throughassetreplacement,

简介：Ⅱ,MaiorproblemsexistinginChinarare-earthindustry1.SlowdevelopmentofrareearthapplicationtechnologyandstagnantupgradeoftheindustrystructureTherearesomeproblemsexistinginChinarareearthindustrycurrently,includingweakdevelopmentofnewrareearthapplicationtechnologies,slowindustrializationofresearchachievements.

简介：3月12日上午,湖北省地质局在汉召开2015年全局工作会议。副局长陈书田代表局党组向大会作了题为《改革创新,转型发展,在适应新常态中争取新作为》的工作报告,副局长曾环宇主持会议。

简介：TheMinistryofScienceandTechnologyannouncedtheinitialresultsof2015NationalScienceandTechnologyPrize,recently."Establishmentofreal-timemonitoringsystemanditsapplicationsinwidefieldsbasedonrareearthnanoup-conversionluminescencetechnology"recommendedbytheChineseMedicalAssociationwaslistedamongthesecondprize.TheprojectwasconductedbytheAcademyofMilitary

简介：“2015第十五届国际煤层气暨页岩气研讨会”将于2015年11月12—13日在北京亮马河饭店召开，会期2天。本届大会由国家煤矿安全监察局和美国环保局联合主办，国家安全生产监督管理总局信息研究院（煤炭信息研究院）承办。