The water contact angle of copolymer films increased and the water adsorption decreased with the the increase of R_f side chain length and numbers of fluorine and content of fluoro-acrylates. 随含氟丙烯酸酯类单体侧链含氟烷基的链长和氟原子数及含氟单体用量的增加,共聚物水接触角增大,吸水率下降;
The treatment technics of the dyeing wastewater from a chemical plant in Hebei has been studied and a good result is obtained after using the treatment technics of PFS+ MS two stages of coagulation-hydrolysis-contact oxidation-slag adsorption. 结果表明,采用PFS+MS两步混凝+水解酸化+生物接触氧化+炉渣吸附工艺处理染料废水取得了良好的效果。
Amorphous aluminum phosphate with specific surface area 308m2/ g was studied by static adsorption method to assess its capacity for the adsorption of fluoride from synthetic solutions. Influence of contact time, pH and adsorbent dose on the adsorption was investigated. 采用静态吸附法研究了比表面为308m2/g的无定形磷酸铝吸附除氟性能,研究了接触时间、pH值、吸附剂量等对吸附的影响。
This paper investigated the influence of gas flow velocity in empty tower and the contact time of gas with adsorbed layer in the adsorption process. 探讨了用活性碳吸附低浓度苯类废气时,空塔气速和气流在吸附的接触时间对吸附过程的影响;
In solution of increasing concentration SDBS reduces the wetting contact angle on lipophilic capillary surfaces moderately and CTAB& significantely with a minimum contact angle observed at the concentration corresponding to the maximum adsorption on oily sand. 随着浓度增大,SDBS溶液使亲油的毛管表面润湿接触角缓慢减小,而CTAB溶液使润湿接触角大幅减小,在与最大吸附量对应的浓度下润湿接触角有最低值;
The effects of contact time, pH and adsorbent amount employed on the adsorption of Cu 2+ 、 Cd 2+ 、 Pb 2+ in water onto chitosan were investigated in this paper. The isothermal adsorption law and characteristic were discussed. 考察了吸附时间、pH、吸附剂用量对壳聚糖吸附水中Cu2+、Cd2+、Pb2+的影响,对等温吸附规律及吸附性能作了探讨。
This paper introduces the engineering practice of treating synthetic detergent wastewater through coagulating sedimentation, biochemical treatment, contact filtration and adsorption processes. 介绍了混凝沉淀生化处理接触过滤活性炭吸附工艺处理合成洗涤剂生产废水的工程实践。
The equipment of drinking water treatment contains three disposal cell main, which is contact filtration, activated carbon adsorption and UF in this researching and designing. 本研究设计的饮用水处理装置主要包含接触过滤、活性炭吸附和超滤三个处理单元。
According to galvano chemistry, measurement results of contact angle, adsorption of xanthate on the mineral surface, and the surface properties of depressed pyrite in oxidized state were analyzed. 根据黄铁矿的电化学性质、接触角测定和黄药在矿物表面的吸附量测定,分析了黄铁矿在氧化状态下受抑时的表面性质。
The harm mechanism which water enters the direct contact ice thermal storage system was discussed. Based on adsorption mechanism of zeolite, a water-separating device for direct contact ice thermal storage system was developed which was succeeded via trials. 本文介绍了水进入直接接触式冰蓄冷系统后的危害机理,并基于分子筛的吸附机理研制了直接接触式冰蓄冷系统的水分离装置,试验证明该装置设计是成功的。
The influence of oh chlorhexidine difluoride ( I-2HF) on the zeta-potential, contact angle, dissolution rate of calcium of hydroxyapatite ( HAP) and the adsorption of I~+ and F~-was studied. 本文研究了洗必太氟氢酸盐(I-2HF)对羟基磷灰石(HAP)的吸附性质、Zeta-电位、接触角、钙溶出速率的影响。
The changes of properties of grafted surface, such as contact angle, adsorption, functionalization, protein immobilization, environment-sensitive graft chain, are specialized. 列举了接枝表面的性质,如接触角、吸附性、功能化、蛋白质固定化、环境敏感性等的变化。
Increasing the coefficients of heat transfer and heat conductivity, decreasing the contact thermal resistance can raise the refrigeration power so as to improve the performances of the adsorption refrigerating system. 通过增大外壁面换热系数和吸附床导热系数或减小吸附床和内壁面的接触热阻,可以增大进入吸附床的热流,从而提高质量流,改善系统的性能。
It is feasible to treat the wastewater using the technology consisting of UASB, biological contact oxidation, oxidation, and adsorption. UASB生物接触氧化氧化吸附组合处理工艺处理该类天然色素生产废水是可行的。
But it is non selective for the albumin. By contrast, the contact angle on the Surface B/ water interface decreased little with water hydration. It presented a hydrophobic interface, which exhibits a very low fibrinogen adsorption while adsorbing a high level of albumin. 在A表面,水相接触角随水化时间的延长而迅速降低,最终亲水性的界面可同时有效阻抗白蛋白和纤维蛋白原的吸附,但不呈现对白蛋白的选择性吸附;
This method is through contact beds, with the packed bed ion exchange agent or the fluoride, the use of dynamic adsorption manner, easy to operate, fluoride effect is stable. 这种方法通过接触床,用离子交换剂或填料床进行除氟,采用动态吸附的方式进行,操作简便,除氟效果稳定。
The effects of adsorbent dose, pH, contact time, ionic strength and temperature on the adsorption were investigated. 研究了吸附剂用量、溶液的pH值、振荡时间、离子强度和温度对Pb2+吸附量的影响。
The first step of coal spontaneous combustion is the contact of coal and oxygen, in which physical oxygen adsorption happens, then the chemical adsorption and chemical reaction happen, the energy generated in the process-heats the coal eventually leads to the coal spontaneous combustion. 煤自燃首先要煤氧接触,发生物理吸附氧,进而发生化学吸附和化学反应,产生热量引起煤体升温,最终导致煤自燃。
A systematic study was carried out on adsorbent dosages, solution pH, contact time, ionic strength and interfering organic and inorganic pollutants in order to optimize the adsorption behaviors of phenolic compounds and heavy metal ions on Thiol-MMM. 对实验中吸附剂用量,吸附溶液pH值、吸附时间、离子强度及有机(无机)干扰物等进行了系统的研究,优化了Thiol-MMM对有害酚类物质及重金属离子的吸附性能。
The effects of such factors as solution pH, contact time and initial ion concentration on adsorption performance of M7-1 and KC-2 were investigated. 考察了溶液pH、吸附时间和初始离子浓度等因素对M7-1、KC-2吸附性能的影响。
The effects of solution pH, sorbent dosage, ion concentration and contact time on adsorption capacity were investigated. The adsorption kinetic, isotherm, and thermodynamic mechanisms of the three adsorbents were determined. 考察了溶液pH、吸附剂用量、离子浓度和吸附时间等对三种材料吸附性能的影响,以及吸附动力学、吸附等温模型和吸附热力学机理及行为。
The experiment water was from Dalian professional laundry company. Design and study washing water process. Two different craft were designed: coagulation flotation-biological contact oxidation-activated carbon adsorption system, co-coagulation flotation-electro-flocculation system. 本实验对大连某洗涤废水进行工艺研究和设计,对大连某洗涤废水提出了两个设计方案:共凝聚混凝气浮-生物接触氧化-活性炭吸附和共凝聚混凝气浮-电絮凝。
The effects of experimental parameters such as dosage, contact time and pH on the adsorption were investigated. 考察吸附剂投加量、接触时间、pH值对吸附作用的影响。
The effects of experimental parameters such as pH, ionic strength, initial concentration, contact time and temperature on the adsorption were investigated. The adsorption kinetics and thermodynamics were also discussed. 考察了溶液pH、吸附剂投加量、离子强度、吸附时间、温度对吸附作用的影响,并结合动力学和热力学模型对吸附机理进行了探讨。
The effects of initial enzyme concentration, contact time, pH, ionic strength, and temperature on adsorption of lysozyme were studied. 将修饰菌用于吸附溶菌酶,考察了酶初始浓度、吸附时间、pH值、离子强度、吸附温度对吸附率的影响。
The biocompatibility of nanofibers was proved by water contact angle measurement and BSA adsorption experiment testing. 通过接触角测试、BSA吸附实验检测纳米纤维的生物相容性。
Determination of contact angle can be directly showed that the Mycobacterium phlei increased hydrophobic effect of sample surface adsorption of fine particle samples in specific surface, thus improving the effect of flotation separation. 接触角的测定可以直接说明草分支杆菌在微细粒矿样表面的特效吸附增加了矿样表面的疏水效果,从而提高了浮选分离效果。
The modified SiO2 were characterized by laser particle size analyzer, scanning electron microscopy ( SEM), contact angle measuring instrument, thermal analyzer and adsorption test. 采用激光粒度分析仪、扫描电镜(SEM)、接触角测量仪、热分析仪及吸附试验对改性SiO2进行表征。