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- Keywords plastic greenhouse;saliferous soil;water-washed;non-point source pollution;nitrogen and phosphorus; 塑料大棚;土壤盐渍化;灌水洗盐;面源污染;氮磷;
- Comparing with the outer,there is low PAR (photosynthetically act ive radiation) and UV-B in inner of winter plastic greenhouse. 冬季蓝色无滴膜塑料大棚内有效光合辐射(PAR)和紫外B(UV-B)都比棚外低。
- The salt ion content in plastic greenhouse soil was significantly higher than that in open vegetable fields and woodland ones,with salt content up to the salinification soil standard. 大棚温室土壤中的盐离子含量明显高于露天菜地和林地土壤,其含盐量已达盐渍化土标准。
- Culture seedling in plastic greenhouse 塑料棚育苗
- Cultivated in plastic greenhouse 大棚栽培
- Mume eultivar in plastic greenhouse 设施杏梅
- Mutual interval type multl-span plastic greenhouse 间隔互插式连栋温室
- Rain-shelter cultivation in plastic greenhouse 大棚避雨栽培
- Keywords plastic profile extrusion die FMC; 塑料型材;挤出模;柔性制造单元;
- Keywords plastic bullets;hyphema;treatment; 塑料子弹;前房出血;治疗;
- Structure Optiunization Design of Multi- Span Plastic Greenhouse 连栋塑料温室结构的优化设计
- Culture Technique of Katy Apricot in Plastic Greenhouse 塑料温室栽培凯特杏的技术
- Keywords plastic spiral pipe;high density polyethylene;wattle; 塑料螺旋管;高密度聚乙烯;板带;
- Keywords Plastic injection molding;ICAE;Knowledge engineering; 塑料注射成型;智能CAE;知识工程;
- Keywords plastic;iron scale;porosity;metallization ratio;reduction; 塑料;铁鳞;孔隙率;金属化率;还原;
- structure of plastics greenhouse 大棚结构
- Keywords plastic helical gear;demolding mechanism;injection mould; 塑料斜齿轮;脱模机构;注射模;
- Keywords plastic optical fiber;fluoropolymer;perfluoropolymer; 塑料光纤;含氟高分子;全氟聚合物;
- Keywords Plastic strain Void Cell model Stress triaxiality; 塑性应变;微孔洞;体胞模型;应力三轴度;
- NUTRIENT VARIATION IN PLASTIC GREENHOUSE SOILS WITH THE YEARS OF CULTIVATION 不同种植年限大棚蔬菜地土壤养分状况研究
