Frequency screen is a new high efficiency machine and has the advantages of electromagnetic vibra- tion, high frequency, high capacity and high screening efficiency.
复频筛是一种新型高效的筛分设备，具有电磁振动、高频率、设备处理能力大、筛分效率高等优点。
The main creative points in the dissertation are as followings:The screening method of surfactant in different fields was established through their characteristic parameters. The graft copolymer of lignosulfonate and acrylic acid was synthesized, not only this graft copolymer has strong interfacial activity, but also can increase sweep efficiency. The modified nanometer-silicon dioxide and the organic-inorganic nanocomposite were respectively prepared. They have a lot of hydrophilic group and lipophilic group on their surface. The uniform experimental design applied to the mixing system of surfactants.
本论文的主要创新点包括：通过动态界面张力的特征参数进行表面活性剂优选的实验方法；合成一种既具有表面活性又能提高波及效率的木质素磺酸盐/丙烯酸接枝共聚聚合物；制备一种具有多个亲油基团和多个亲水基团的多亲多疏的新型表面活性剂；在表面活性剂的复配配比确定过程中，利用均匀实验设计这一高效、简化的方法。
In addition, the diameter 400mm-1800mm the SF series vibrating screen vibrating object using a more advanced vibration molding tray, making shaker sieve screening machine has a higher efficiency, longer service life, product quality and performance have been achieved the level of the world's leading, fully able to meet the screening needs of different industries.
另外，直径Φ400mm—Φ1800mm 的SF系列振动筛振动体采用了更先进的一次模压成型振动托盘，使得振动筛筛机具有更高的筛分效率，更长的使用寿命，产品质量和性能均已达到世界领先水平，完全能满足不同行业的筛分需求。
Moreover, the diameter Phi 400mm □Phi 1200mm ZY series shaker 振动体 used a more advanced mould pressing to take shape vibrates the tray, enabled the shaker sieve machine to have the higher screening efficiency, the longer service life, the product quality and the performance had achieved the world leading level, versatilely satisfied the different profession the screening demand.
另外，直径Φ400mm—Φ1200mm 的ZY系列振动筛振动体采用了更先进的一次模压成型振动托盘，使得振动筛筛机具有更高的筛分效率，更长的使用寿命，产品质量和性能均已达到世界领先水平，完全能满足不同行业的筛分需求。
Because a large reject flow is required from the primary pulp screens is order to achieve adequate debris removal efficiency, additional stages of screening are performed on the reject stream to concentrate the debris and return the good fiber to the process.
因为第一段筛产生的浆渣量很大，为了获得更高的筛选率，要使用额外的筛选段对浆渣进行再筛选来回收良浆。
Now the study on bamboo are focused on flavor, the importance of polysaccharide are overlooked. The study take Phyllostachys pubescens as materials, studied bamboo polysaccharide's extraction purification and the activity of antitumor. The effect on extraction efficiency were investigated by means of single factor and orthogonal experiments and Compared the effects of water extraction. Ultrasonic wave extraction, microwave extraction on extraction efficiency. Some powdery BPS were gained by using Sephadex and DEAE column chromatography and comfirmed its composition by using HPTLC and GC and the activity of antitumor is studied by using High-throughput Screening technology. The results as follows: 1 The method of phenol-sulfuric acid was developed.
为了加强对竹叶的综合利用，本研究以毛竹为研究对象，对竹叶多糖的提取、纯化、检测及活性进行研究，通过单因素试验和正交试验考察了温度、时间、固液比、提取次数对多糖提取率的影响，同时对水提取、超声波提取和微波提取三种提取方法进行了比较，利用葡聚糖凝胶和纤维素柱层析分离技术对多糖进行纯化，并运用薄层色谱和气相色谱考察了其单糖组成，采用高通量药物筛选模型对多糖的抗肿瘤活性进行了探讨，试验结果如下：1 建立了苯酚-硫酸法测定竹叶多糖含量的方法。
Three new types vibrating screens with high screening efficiency were proposed based on the principle of screening process with constant bed thickness.
更多可行性进行了分析，大型振动筛设计中，在香蕉筛基础上，采用了由管群通过跨中的静定板与两根激振器梁的耦联构成的超静定网梁结构。
On the above research bases, we抳e proposed the optimized scheme of the raw material flow system of the production line, invented the high frequency vibrator and new type to prevent agglomeration store hopper. Thus, we抳e fundamentally solved the problem of low screening efficiency and blocking in raw material flow.
在此基础上，提出了电焊条药皮涂料自动配料成套生产线的物料流系统的优化设计方案，在技术和理论上都有所创新，成功研制了高效振动筛分机和新型防拱储料仓，从根本上解决了筛分效率不高和物料流堵塞问题。
Wenling City of the South Powder Equipment Powder equipment manufacturer specializing in research and development, the main products are vibrating screening machine, high efficiency mixer, heating mixer, pulverizers, granulators, conveyors, emulsifier, dissolved machine eight series...
温岭市南方粉体设备制造厂专业从事粉体设备的研制开发，主要产品有振动筛分机、高效混合机、加热搅拌机、粉碎机、制粒机、输送机、乳化机、溶解机等八大系列。。。。
Recently, with the development of Biomolecular, pharmacology, automatic et al, high throughput screening technology appeared with high efficiency using molecular or cell screening targets in minimal form.
随着分子生物学、分子药理学、自动化技术、检测技术的进步与结合，高通量药物筛选（High throughput screening，HTS）技术利用分子或细胞水平的药靶进行微量筛选，极大的提高了药物筛选的效率和准确性，是新药筛选的一个有效手段。
The relative motion of particles with the screen surface is mainly parallel to the movement of bar screen, flat vibrating screen, sieve tube, with its screening efficiency and productivity are low.
再就是筛子的振幅与振次，这与筛子的结构物性有关，在一定的范围内，增加振动可以提高筛分指标。
The oscillating screen in Hetai gold mine was characterized as low screening efficiency and production capacity, frequent equipment failures.
针对河台金矿振动筛筛分效率、生产能力偏低，设备故障多的问题，文中详述了振动筛技术改造及优化设计过程。
The oscillating screen in Hetai gold mine was characterized as low screening efficiency and production capacity, frequent equipment failures. The paper introduced the technological innovation and optimization design of the oscillating screen.
针对河台金矿振动筛筛分效率、生产能力偏低，设备故障多的问题，文中详述了振动筛技术改造及优化设计过程。
To provide information for variety screening and high-yield, water-saving cultivation under no-tillage and rain-fed conditions, YanBlu 6439, Luohan 6, Shijiazhuang 8, Shimai 15 and Yannong 21 were used as materials to investigate the association between LAI, NDVI, SPAD volue, Pn at different growth stages with water use efficiency.
为给旱地保护性耕作条件下小麦高水分利用效率品种的筛选以及高产节水栽培提供依据，以烟Blu6439、洛旱6号、石家庄8号、石麦15和烟农21为供试材料，研究了小麦不同生育期的LAI、植被归一化指数、SPAD值、净光合速率与水分利用效率的关系。
First, at the basis of materiel sieving theory, aiming at improving screening efficiency, it considers practice construction environments and conditions, and studies the configuration method of screen aperture. In the method, it presents mathematical model, calculate process, object example. The result of experimentation indicates that the method is effective.
首先在物料筛分概率理论的基础上，以利于提高筛分效率为目标，并考虑了其他实际施工环境及条件的约束，研究了振动筛筛网筛孔配置的方法，建立了模型，给出了计算流程，并以具体实例进行了配筛计算及配筛试验，试验结果表明配筛效果较好。
Screening precision high, the efficiency is high, any powder, grain, the mucilage class may use.
筛分精度高、效率高，任何粉、粒、粘液类均可使用。
This crusher adopts rotary hammer alloy tool and double rotary screen between which reverse rotation takes place, successfully improving crushing and screening efficiency.
本机采用旋转锤式合金刀具、双层旋转式滤筛网，碎刀与筛网之间产生反向旋转，有效提高破碎和筛分效率。
The cantilever screen vibration sifter, which is developed to solve the material blocking problem in the processing of sinter's particle size classification in blast furnace system, has been greatly considered to be applied to preventing material particles blocking in the screen, which will result in lower screening efficiency.
悬臂筛网振动筛是在解决高炉槽下筛分堵孔难题的实践中研发出来的，它被认为可很好地用来解决因物料堵孔而造成的筛分效率低下的问题。
The development and application of high-throughput sorting methods has significantly improved the efficiency of cell sorting and expanded the range of screening. It resultantly increased the probability of getting the higher produce cell line.
高通量分选方法的发展和应用，提高了转染后细胞的分选效率、扩大了细胞分选的范围，从而显著地提高了获得外源基因高表达细胞株的几率。
The industrial applications indicates that the intensifying screen has a large capacity ot unit area, high efficiency, and no mesh blinding, so it is one kind of the ideal screening machines for the dry screening of moist, fine and viscous particle group.
工业试验表明，强化筛单位面积处理能力大，筛分效率高，筛分过程中筛孔不堵塞，对于潮湿细粒级粘性物料的筛分是目前较好的筛分设备之一。