First,artificial protecting system should be built,in order to promote and ensure the development of economic forest bases.
但是如何使经济林得到持续发展，需要思考两个问题：一要建造人工防护体系，以促进和保障经济林基地的发展；二要转变经济增长方式，以适应市场经济条件下经济林产品的营销。
SHIELDING EFFECTIVENESS EVALUATION OF EM SHIELDING MATERIAL
电磁辐射防护材料人体防护性能评价研究
The Born air of Blasting bane human body in the modern war and protection;
现代战争中爆生气体对人体的危害及防护
Nursing Intrervention and Prevention Study in Patients with Anchovy Poisoning
Ti鱼腐败气体中毒病人的护理抢救与预防研究
Hazard of the Wastes of Organic Chemical Experiments and Their Prevention and Control;
有机化学实验废物对人体健康的危害及防护
Isopsoralen inhibiting the apoptosis of human lens epithelial cells
异补骨脂素防护人晶状体上皮细胞的凋亡
Experience of Radiation Protection Management of Radiation Workers in Hospital
医院放射工作人员放射防护管理的体会
Evaluation of ecological service value of wind-break and sand-fixation function of ShaPotou sand-binding vegetation ecosystem
沙坡头人工植被防护体系防风固沙功能价值评价
Exposure controls / personal protection
暴露控制/个人防护措施
The Study on the New Training System of Military Hygienic Epidemic Prevention;
军队新型卫生防疫防护训练体系研究
The Neuroprotective Effects of the Rg_2 on Hippocampal Neuronal Cells Against Anoxic;
人参皂苷Rg_2对体外培养的大鼠海马缺氧神经元的预防保护作用
Evaluation of Forest Carbon-sink--A Case Study on Artificial Plantation of the Three-north Shelterbelt Forest System Program in China;
森林碳汇价值评价——三北防护林体系工程人工林案例
Protective Effects of Sandalwood Oil against Ultraviolet B-induced Photodamage in Human Skin
檀香油对中波紫外线引起人体皮肤光损伤的防护作用
Experimental Study on Thermal Protection Performance of "Feitian" EVA Spacesuit Based on Thermal Manikin Metabolic Simulation Method
基于暖体假人代谢模拟的“飞天”舱外服热防护特性试验研究
Protective effects of proanthocyanidin on radiation-induced injury of human-derived cells
原花青素预处理对体外人源细胞辐射损伤的防护作用
The Nursing Experience of Using Prospective Method to Prevent Deep Vein Thrombosis in Patients with Hip Joint Replacement
运用前瞻性思维预防人工髋关节置换术后深静脉血栓的护理体会
Prevalence Survey of Occupational Defence on the Clinical Nurses in Handling Antineoplastic Chemotherapeutic Agents;
护理人员化疗职业防护现况调查分析
Reason analysis and protective measures of sharp injuries among nurses
护理人员医疗锐器伤原因分析及防护
Protection of medical personnel in general surgery for HIV
医护人员在普外科手术中对HIV的防护