In order to realize dressing of fine diamond grinding wheel effectively, removal behavior of metal bond for dry and wet coolants is investigated. 为有效地实现微细金刚石砂轮的修锐,建立单脉冲电火花放电去除加工的试验系统,研究金属结合剂的气中和液中电火花放电去除机理。
In order to improve the performance of zeolite scavenge column, its ability of removal of humidity and carbon dioxide was studied by both static and dynamic approaches. 为了提高氙核查系统中分子筛除杂柱的除杂性能,采用静态吸附和动态吸附两种方法对系统中分子筛除杂柱的性能进行了研究。
In order to reduce the flotation tailings grade of a dressing plant of magnetite, experimental researches on the new magnetic flotation with silicon removal were carried out. 为降低某磁铁矿选矿厂的浮选尾矿品位,进行了新型磁浮选脱硅试验研究。
In order to realize the mechanization of snow removal on roads, the utility model uses a double-crank type parallelogram linkage as a working mechanism. 为了实现道路除雪的机械化,本实用新型采用双曲柄型平行四杆机构作为工作机构。
The single condition experiments and the orthogonal experiments were conducted and explained in order to get the main factors which effect on the rate of dust removal and to get the influence law. 首先通过单因素实验及正交实验确定了影响除尘效率的主要因素及其影响规律。
Removal of reactive dyes having different color is different. The order of removal is Reactive Black K-BG> Reactive Red K-2BP> Reactive Yellow K-6G. 而且,活性染料的脱色去除率随活性染料色度的深浅而不同,表现为活性黑K-BG>活性艳红K-2BP>活性嫩黄K-6G。
In order to remove the air-flotation scum effectively, a kind of automatic scum removal device is designed. 为了对浮上法中的浮渣进行有效去除,文章设计了一种自动去浮渣装置;
In order to improve the efficiency of sewage biological removal of nitrogen and to reduce the carbon source added from outside, the character of simultaneous nitrification and denitrification of sequencing batch biofilm reactor ( SBBR) in treating living sewage under the condition of oxygen existing was studied. 为提高污水生物脱氮处理的效率和减少外加碳源,研究了序批式膜反应器(SBBR)在有氧情况下处理生活污水中同步硝化和反硝化的特性。
In order to improve the absorbing efficiency of nitrogen oxides by nitric acid, the removal of nitrogen oxides by nitric acid absorption in an activated packing column was studied. 为了提高硝酸吸收氮氧化物的效率,对活性填料催化氧化-硝酸吸收NOx进行了研究。
On the basis of above, a further treatment for mesh is proposed in order to meet the needs of nonlinear hydrodynamic computation and the removal of irregular frequency effects with extended boundary integral equation method. 为配合非线性方法以及应用扩展的边界积分方法去除不规则频率对网格的特殊要求,提出了在上述网格生成方法基础上对网格进一步处理的可行方案。
In order to determine the efficiency of formaldehyde removal and simplify the experimental equipment, the adsorption capacities were compared between gas phase method and liquid phase method. 为了进一步证明二氧化锰对甲醛的去除效果,简化实验装置等,比较了气相法和液相法的吸附结果,研究了甲醛溶液浓度和吸附剂粒度对甲醛吸附量的影响。
A tree stump excavation robot was developed in order to improve the efficiency of stump removal and to reduce damage to ground surface. 为了提高采掘伐根的效率,减小对地表的破坏,研制了林木伐根清理机器人。
In order to quantify the effects of salt on organic pollutant removal and supply basic information for the design of treatment system for saline wastewater, the salt inhibition kinetics in biological treatment of saline wastewater was investigated by using a sequence activated sludge unit. 为了定量盐度对有机物生物去除的影响,研究生物处理含盐污水的盐抑制动力学,为具体设计含盐污水生物处理过程提供依据。
In order to achieve the real-time control of advanced nitrogen removal in the pulsed SBR ( sequence batch reactor), the variation patterns of pH value and ORP during the advanced nitrogen removal were studied by using SBR to treat domestic sewage in a WWTP. 为了实现脉冲SBR深度脱氮的实时控制,以某污水处理厂市政污水为处理对象,考察了脉冲SBR在深度脱氮过程中pH及ORP的变化规律。
Based on the analysis of wavelet decomposition characteristics of PD signals and white noise, the wavelet shrinkage denoising is analyzed in order to decrease the distortion of PD pulse caused by noise removal. 本文在对局部放电信号和白噪的小波分解特性进行分析的基础上,从尽可能减小去噪对局部放电脉冲畸变的角度出发,分析了已广泛采用的门限值去噪算法;
In order to automatically examine and predict the result of the whole microorganism and other granulates removal in the filtrate by filter instrument containing hydrophilic filter core, the integrity test set was used. 为保证和及早预见滤过液中的细菌和其它颗粒全部被拦截,利用压缩空气通入内含亲水性滤芯的过滤器,用完整性测试仪自动监测过滤器的完整性。
In order to keep the data secret reliably, the applicable principle of BSS in noise removal was extended to form a kind of new method for data secrecy based on the strategy of complete covering, by the introduction of virtual observation. 为了获得可靠的数据保密效果,通过引入虚拟观测,将盲源分离在消噪方面的应用思想加以扩展,形成了一种新的基于完全覆盖策略的数据保密方法。
In order to study the size and shape of "polishing spot" and the material removal rate of optical element, several MRF experiments have been done by using "standard" MPF. 研究了磁流变抛光中几种主要工艺参数对抛光区的大小和形状以及材料去除率的影响情况。
The high-concentrated organic soybean wastewater was treated by SBR in order to get the draft parameter of the reactor. The dynamics of substrate removal and the removal of nitrogen was studied in SBR. 用SBR法处理高浓度豆制品废水,确定反应器的工艺参数,对基质降解动力学以及脱氮效果进行研究。
DMF volatile organic waste gas, etc. Research shows that: the order of removal capacity of single VOCs by biological method is alcohols, aldehydes and ketones and oxygen BTEX monocylic aromatics hydrocarbons such as halogenated hydrocarbon. 研究表明:生物法对单一VOCs去除能力的大小顺序是:醇、醛、酮等含氧烃类BTEX等单环芳香烃卤代烃。
In order to realize the industrialization development and comprehensive utilization of acorn resource, the study was conducted on both removal process of tannin in acorn with ultrasonic and purification process of tannin in acorn with macroporous resins in this paper. 为了实现橡子资源的产业化开发和综合利用,本文对橡子单宁的超声波脱除工艺和大孔树脂纯化工艺进行了研究。
The effect of seasonal variations for PAEs removal are ranked in the order of Summer, Autumn, Spring and Winter, the removal effect was slightly better in the summer than in the autumn and wetland transpiration effect is the main reason. 不同季节湿地对PAEs的去除效果总体表现为秋季夏季春季冬季的规律,湿地蒸腾效应是湿地秋季去除效果稍好于夏季的主要原因。
In order to meet stricter standard of the sulfur content of diesel oil for transportation, the removal of sulfur compounds from them has become a more and more important research subject currently. 为满足越来越严格的柴油含硫标准,超低硫清洁柴油生产技术成为目前研究的热点。
In order to reduce the cost of flue gas purification and to meet the development needs of petrochemical enterprise, adopting joint removal technology to desulphurization and denitrification for flue gas purification has become the inevitable trend. 为了降低烟气净化的费用,适应现有石油化工企业的需要,采用联合脱硫脱氮已成为烟气净化技术发展的必然趋势。
In order to simplify the complexity of circuit design and signal noise removal, we use the software method to pretreat and compute pulse oximetry signal and the temperature signal. 为了简化复杂的电路设计和去除信号中噪声干扰,本文采用软件方法实现脉搏血氧信号和温度信号的预处理以及值的计算。
In order to further study the characteristics of denitrifying phosphorus removal bacteria, on the base of research on analyzing continuous-flow two-sludge system, an improved process called modified denitrifying phosphorus removal process was proposed. 为深入研究反硝化除磷机理与特性,本课题在对实验室已有的双污泥反硝化除磷工艺运行效果分析研究的基础上,提出改进型连续流双污泥反硝化除磷工艺。
In order to find a solution, researchers break through the traditional concept of tooling approaches with material removal methods, suggest a new way to fabricate tool electrodes with material additive means. 为了寻求解决方法,研究人员突破以去除材料为手段的传统电极制备概念,提出了采用添加几何单元快速构建电极的新方法。
In order to fully understand the softness abrasive flow of the actual operation and material removal of the way, and to further explore the flow of softness abrasive flow machining method, in order to adapt to the different processing conditions and processing environment needs. 为了充分了解软性磨粒流的实际运行和加工状态下的情况,以及进一步探讨软性磨粒流的加工工艺方法,以适应不同加工条件和加工环境的需要。