1.
Study on the Background Level of Soil Nutrients and Mechanism of Fertilizing Soil in Degenerative Mountains of Hebei;
河北省退化山场土壤养分本底值及培肥机理研究
2.
Analysis on the hearing threshold value of normal hearing people under different background noises
健听人在不同本底噪声环境中的听阈值分析
3.
background atmosphere composition network

本底大气成分监测网
4.
ON THE EFFECTS OF DIFFERENT NUTRIENT CONCENTRATIONS OF SEDIMENT ON THE GROWTH AND RESOURCE ALLOCATION OF POTAMOGETON CRISPUS
底质营养盐对菹草生长及养分分配的影响
5.
The edition of Jia Qing was also mill block-printed,based on edition of Song Dynasty,and taking Kang Xi as reference,was rather valuable.
嘉庆本也为民间坊刻,以宋本为底本,并参校康熙本,具有较高的价值。
6.
A preliminary study on nutrients deposition characteristics of sediment between two different kinds of water body
两种水体底泥养分沉积特征初步研究
7.
Synthetic Analysis on Baseline Survey in Xiaolangdi Reservoir Area;

小浪底库区本底调查过程综合分析与对策研究
8.
Study and Numerical Simulation of Combustion Characteristics of Base Bleed Projectile;

底部排气弹燃烧特性研究与数值分析
9.
Simulation Research on Top and Seat Angle with Double Web-Angles Connection;

双腹板顶底角钢连接的数值模拟分析
10.
Study and Numerical Simulation of Combustion Process of Base Bleed Projectile Ignition

底排点火燃烧过程的研究与数值分析
11.
The Background Value of Chlordimeform and Its Metabolites in Urine of General Population

正常人尿中杀虫脒及其代谢产物的本底值
12.
Value Analysis of General Education in Cultivating Undergraduate Applied Professionals--Taking Newly-Established University as a Survey Centre
通识教育在本科应用型人才培养中的价值分析——以新建本科院校为考察中心
13.
The background count of the detector is 4~6 counts 1 min.

探测器的本底计数率为4―6脉冲1分。
14.
Background vibration analysis for traffic environmental vibration testing

交通环境振动测试中的本底振动分析
15.
The numerical analysis of spread foundation's pressure beneath foundation on rock foundation
岩石地基上扩展式基础基底反力分布数值分析
16.
Impact of mariculture on the spatial and temporal patterns of the macrobenthos in Sandu Bay
三都澳水产养殖对底栖生物分布格局影响
17.
The Effects of Species and Distribution Characterestics of Phosphorus in Sediment to Eutrophication
底泥磷形态及分布特征对水体富营养化的影响
18.
Experiment and research of deposit separated device in industrial fish farming system

工厂化养鱼池底沉淀分离装置的试验研究