The method is easy in operation and accurate in outcome with a recovery ratio of 93.9% and a variation coefficient of 1.4%. 方法简便、准确.回收率93.9%,变异系数1.4%。
Research on Relationship of Top-coal Recovery Ratio and Height of Immediate Roof with PFC Numerical Simulation 顶煤回收率与直接顶厚度关系的PFC数值模拟研究
The major problems such as low recovery ratio of protein, low yield and purity of finished products are found in the process of isolation soy protein by alkali extraction and acid precipitation. 大豆分离蛋白的碱浸提酸沉淀工艺,目前普遍存在成品得率低,纯度低的问题。
Probe into Improving Recovery Ratio of Caving Coal at π Steel Beam Caving Coal Face by Deep Hole Pre-Fracture Blasting 深孔预裂爆破提高π型钢梁放顶煤回采率可行探讨
Tissue Free Water ( TFW) of pine needles is separated out through azeotropic distillation of pine needles and toluene, Recovery ratio of TFW is90%. 本文用生物样品与有机溶剂共沸蒸馏分离法对秦山核电厂附近秦山上松针中组织自由水氚进行测量。
The next step is to choose membranes with better properties to proceed experiments and to design partial material recycle cascade system to increase hydrocarbon recovery ratio. 下一步的工作是筛选出分离性能更好的膜进行实验,并进行部分物料循环级联设计,提高烃回收率。
The factors of resource recovery ratio, operation safety, and economic benefits and the secondary recovery of resources are the reason for transferring from underground into open pit mining. 资源回采率要求、安全条件要求、经济效益要求和资源复采是实施地下转露天开采的原因;
The positive effect of the utility model is to dissolute the waste rubber in comparatively low temperature without making noxious gas and with high recovery ratio and high automation. 本实用新型产生的有益效果是,将废旧橡胶在较低温度下进行分解,不产生有毒气体,回收利用率高,自动化程度高。
In order to raise the natural gas field synthesis mining benefit, raises the gas pool recovery ratio, it is necessary to implement the turbo-charged mining processing technology. 为了提高气田综合开采效益,提高气藏采收率,实施增压开采工艺技术。
Correct division of reservoir flow units has vital significance for forecasting the remaining oil distribution, adjustment of development plan, enhancing the recovery ratio, ect. 正确地划分储层流动单元,对预测剩余油分布、调整开发方案、提高采收率都具有重要意义。
It has been shortening the service life of mines because of their low recovery ratio. 乡镇煤矿资源回收率低,严重缩短了矿井的服务年限。
Overall evaluation of recovery ratio at high water cut of water-drive reservoir 水驱开发油藏高含水期采收率的综合评价
In view of this problem this paper put forward that it is important measure for sustainable development of rural mines to adopt advanced technology to improve mining method to save coal resource and to raise the recovery ratio of resources. 针对该问题,提出采用先进技术,改革采煤方法,保护煤炭资源,提高资源回收率,是乡镇煤矿可持续发展的重要举措。
The Utilization of the Reservoir Dissection Technology in the Advancement Recovery Ratio of Polymer Flooding 利用储层解剖技术进一步提高聚驱采收率
Decontamination factor for cesium is more than 10 6. Recovery ratio for rubidium is more than 80%. 建立了简便、高效的铷、铯放化分离流程,对铯的去污系数大于106,铷的回收率大于80%。
The result shows that the accuracy, precision and recovery ratio are all satisfactory. 所得的测定结果的准确度、精密度和回收率都是令人满意的。
Rapid cooling process can improve the shape recovery ratio. 采用快速冷却能提高合金的形状回复率;
The oil recovery ratio was affected by the amount of hydrogen peroxide, reaction temperature and extraction conditions. 过氧化氢加量、反应温度和时间及萃取条件均影响油回收率。
To improve the strontium recovery ratio the reaction mechanism in preparation of Sr using vacuum aluminothermic reduction was studied. 为提高锶还原率,研究了真空铝热还原法制备金属锶的反应机理。
Extraction and determination of black carbon in sediments: Error analysis and recovery ratio experiment 沉积物中黑碳的提取和测定方法:误差分析和回收率实验
In order to improve recovery ratio of this block, decide to make overall fracturing reformation to this block. 为了提高整个断块的采收率,决定对其进行整体压裂改造。
Hydrolyzed polyacrylamide ( HPAM) has been widely used in oil field for boosting the crude oil recovery ratio. 水解聚丙烯酰胺被广泛应用于油田以提高原油的采收率。
The effect of operation parameters such as solvent ratio and reflux ratio on product purity and recovery ratio was studied also. 在对间歇萃取精馏全过程的实验研究中,还考察了操作参数,如回流比和溶剂比对产品纯度和收率等的影响。
Recent years, the important measure to increase the crude oil recovery ratio is using displacing fluid. 近年来,提高原油采收率的重要措施是使用驱替液。
This paper deals with the effect of deformation temperature and prestrain on shape recovery ratio of Fe-Mn-Si alloy. 主要研究了Fe-Mn-Si合金的形变温度、形变度对形变恢复率的关系。
The results indicated that change of pH had little effect on peptide recovery ratio. 结果表明,pH变化对肽得率影响很小;
Many mine-field experiments have already been carried out in Daqing oil field and obtained the better oil recovery ratio. 大庆油田已进行了多处三元复合驱矿场试验,取得了良好的驱油效果。
In addition, PANI/ PS blend membrane showed lower flux decline rate and higher flux recovery ratio. 此外,PANI/PS共混膜具有较慢的通量下降速率和较高的通量恢复率。
The particle size, Zeta potential, recovery ratio and encapsulation efficiency were tested. 对其进行了粒径,Zeta电位,回收率,包封率的测定等表征。
Improving steam qulity not only can enhance recovery ratio, but also has good protection for oil layer. 提高注汽锅炉出口的蒸汽干度不仅可以提高石油的产量与采收率,而且对油层也具有很好的保护作用。