1.
The Laboratory Synthesize and the Performance Study of the Oil Well Cement Fluid Loss Additive FP;
油井水泥降失水剂FP的室内合成与性能研究
2.
JSS300:A High Temperature and Salt Resistant Fluid Loss Agent for Deep Well Cement Slurry
深井油井水泥耐盐抗温降失水剂JSS300的试验研究
3.
Synthesis and property of high temperature resistant fluid loss additive for oil well cement
耐高温油井水泥降失水剂的合成及性能
4.
Oil well cementation mud high temperature and high salt filtrate reducer AC-Y
新型高温抗盐油井水泥降失水剂KER的研制
5.
Preparation and Characterization of Copolymers as Fluid Loss Additive for Oil Well Cement Slurry at High Temperature and High Salinity Level;
耐温耐盐聚合物降失水剂的研究与应用
6.
Study on the synthesis and temperature-resistant of P(AM/AMPS/NVP) as filtrate reducer
P(AM/AMPS/NVP)降失水剂合成与耐温性能研究
7.
The Synthesis and Study on a High Temperature Salt-tolerant Filtrate Reducer for Cement Slurry.
耐高温耐盐油井水泥降失水剂的合成及性能研究
8.
SYNTHESIS AND PERFORMANCE EVALUATION OF A NEW POLYMER CEMENT RETARDING FLUID-LOSS ADDITIVE USED IN OIL WELLS
新型聚合物类油井水泥缓凝降失水剂的合成及性能评价
9.
12.2 Use the XCD polymer as the viscosifier and fluid loss additives in mud.
在泥浆中用XCD生物聚合物作为提粘剂和降失水剂.
10.
Water and soil losses bore a close relationship with the rainfall and the soil moisture before raining.
水土流失同降雨及降雨前土壤湿度关系密切。
11.
The unemployment rate is 6.4 per cent, a 30-year low.
失业率降至6.4%，为加拿大30年来低水平。
12.
Study on relationship of soil erosion based on small watershed
小流域降雨径流水土流失三因子关系
13.
Berger to water stress show decrease of relative watercontent, and WflWb under water stress.
气孔频度降低，水分的散失减少，利于保水；
14.
Effect of Rainfall Runoff on Nitrogen and Phosphorus Loss in Farming Drainage Ditch
降水对农田排水沟渠中氮磷流失的影响
15.
Study on Nitrogen and Phosphor Losses in Riverine Plain Area by Simulated Rainfall Method;
模拟降雨研究水网地区农田氮磷的流失
16.
Researches of Water, Soil and Nutrients Loss from Bamboo Forest;
毛竹林地水、土、养分流失的人工降雨实验研究
17.
Study on Quatitative Mornitoring of Soil Erosion: Rainfall Erosivity Factor;
水土流失定量监测中降雨侵蚀力因子的研究
18.
The Relations between Soil and Water Losses and Rainfall Characteristics in Different Land-use Types;
不同土地利用方式水土流失与降雨特性的关系