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不限 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
ObservationofH-bb
H-bb
观测
天文学

9浏览2025-07-19上传pdf29.7MB共44页未评分

OBU灵敏度对电子不停车收费系统的影响
OBU灵敏度
电子不停车收费系统
信号接收强度

4浏览2025-07-19上传pdf0.26MB共4页未评分

OccupationalexposuretopolybrominateddiphenylethersordecabromodiphenylethaneduringchemicalmanufacturingOccurrenceandhealthriskassessment
polybrominated diphenyl ethers
decaBDE
occupational exposure

7浏览2025-07-19上传pdf0.33MB共14页未评分

ObservationsaboutDamagedSpeleothemsinthe2008Ms8.0WenchuanEarthquakeChina
speleothem damage
Wenchuan earthquake
seismic effects

7浏览2025-07-19上传pdf1.34MB共4页未评分

OccurrenceandRemovalofpoly-andperfluorinatedalkylsubstances(PFASs)inadrinkingwatertreatmentplant(DWTP)ofChangzhouChina
polyfluorinated alkyl substances
perfluorinated compounds
drinking water treat

7浏览2025-07-19上传pdf1.9MMB共2页未评分

OccupationalnoiseexposureandhypertensiontheDongfengTongjiCohortStudy
occupational noise exposure
hypertension
Dongfeng Tongji Cohort Study

6浏览2025-07-19上传pdf0.42MB共16页未评分

Occurrenceandriskassessmentofpolybrominateddiphenylethers(PBDEs)andorganophosphateflameretardants(OPFRs)inwaterandsedimentfromthekeyareaofTaihuLakeChi
PBDEs
OPFRs
Taihu Lake

7浏览2025-07-19上传pdf0.99MB共12页未评分

OccurrenceandSpatialdistributionofpharmaceuticallyactivecompoundsaturbanandsuburbanareasinBeijingChina
Pharmaceutically active compounds
Urban and suburban areas
Spatial distributio

8浏览2025-07-19上传pdf2.52MB共3页未评分

OceanBase查询优化器工程实践
OceanBase
查询优化器
工程实践

7浏览2025-07-19上传pdf1.55MB共32页未评分

OD1422mmX80螺旋缝埋弧焊管焊缝自动超声检测方法探讨
螺旋缝埋弧焊管
超声检测
焊缝检测

11浏览2025-07-19上传pdf6.43MB共7页未评分