1.
Soil Properties Modified with Different Fertilization and Moisture Conservation in the Typical Soil-gravel Area in PingShan County, Hebei Province, China
不同施肥保墒材料对河北平山土石山区土壤性状改良的研究
2.
heat insulation material
绝热材料，保温材料
3.
CAD & Dynamic Simulation of a New-style Ditcher for Sluice and Keeping Soil Humidity;
新型蓄水保墒机具CAD及动态模拟
4.
cosy, tea ,of textile materials
茶壶保暖罩,纺织材料制
5.
thermal insulation material made of rigid urethane foam
硬质氨酯泡沫保温材料
6.
Health Teaching and Learning Materials Clearing House
保健教学材料交换中心
7.
foam polystyrene thermal insulation material
发泡苯乙烯保温材料
8.
nuclear materials safeguards
核材料保障监督措施
9.
Study on the Mechanism of Water-Saving, Increasing Rpoduction and Its Effect under Moisture Conserving Irrigation(MCI);
保墒灌溉的节水增产机理及其效应研究
10.
Effect of Different Water-saving Methods on Winter Wheat;
不同节水保墒措施在冬小麦上应用效果研究
11.
Experimental Investigation on Typical Soil and Water Conservation Technologies for Mountainous Orchards in Beijing Suburb;
京郊山区果园典型蓄水保墒技术试验研究
12.
Tending Technique for Young Plantations of Water-harvesting and Moisture-conserving in Gneiss Mountainous Area of North China
华北片麻岩山地幼林地集水保墒抚育技术研究
13.
Study on the Distribution and Accumulation of Nitrate Nitrogen in Soil under Moisture-retaining Irrigation
保墒灌溉条件下土壤中硝态氮分布和累积研究
14.
Effects of MCI on Ecological and Physiological Indicators of Maize
保墒灌溉条件下夏玉米生理生态效应研究
15.
Soil Water Conservation Technology of Nanguo Pear Fruit with Covering Straw in Semi-arid Area
半干旱区南果梨秸秆覆盖蓄水保墒技术研究
16.
A therapeutic or protective material applied to a wound.
敷料敷在伤口的治疗药物或保护材料
17.
All material could be received and released on time and in good conditions.
按计划收、材料并保证材料处于良好状态。
18.
Study on Thermal Insulation Materials Composed of EPS and Gypsum;
石膏基胶凝材料复合EPS保温材料的试验研究