The utility model is convenient in use, the erasing head doesn't fall out easily, and the liquid in the bottle can not overflow because of external pressure extrusion, collision or inverted placement.
该产品的优点为使用简便，擦头不易脱落，容器内液体不会受外力挤压或碰撞或倒置而溢出。
The process is one of active motility rather than passive extrusion by the hydrostatic pressure of the blood.
这个过程是主动运动，而不是由血液的流体静力压所致的被动挤压过程。
Extrusion rate, melt pressure, flow profile and mixing effects of the conical twin screw with mixing elements were observed experimentally.
对混炼型锥形双螺杆的挤出产量、物料压力、物料流动状态及混合效果进行了大量实验研究。
The flow rate, pressure drop, die swelling and apparent viscosity in dynamic and static extrusion can be measured by using this equipment.
利用该仪器可以测量聚合物在稳态和动态挤出过程中的流动速率、压力降、离模膨胀和表观粘度等。
The influence of extrusion on activity of soybean urease was studied under different temperatures, different steam amounts and different pressure ring diameters.
研究在不同温度、不同蒸汽添加量以及不同的压力环直径条件下，挤压膨化对大豆中脲酶活性的影响。
By using mushy extrusion molding for magnesium alloy, the disadvantage of pressure casting is avoided.
采用糊态挤压成型镁合金避免了压力铸造的缺点。
When the extrusion temperature was increased, the pressure vibration frequency and critical slid length decreased, while the vibration period increased.
挤出温度升高，压力振荡频率减小，周期变大，外推滑移长度有变小趋势。
The effects of preforming duration, preforming pressure, extrusion die's geometry size and content of lubricant on the extrudate's tensile strength were studied.
研究了预成型时间和压力、挤出模具几何尺寸、助挤剂含量等对挤出物强度的影响。
Under the spring device's pressure, rollers do Numbers flexible extrusion to material bed and make them become fineness, and the result is very ideal.
在弹簧装置的压力下，磨辊在料层上作数十次柔性挤压使物料成粉末，粉磨效果十分理想。
The result showed that proper vibration force field could reduce the extrusion pressure and the extrusion power, and could effectively improve the mixing degree of filled polymer system.
结果表明，在一定的振动条件下，振动力场的作用使挤出压力减小，挤出功率降低，混合分散效果明显提高。
At present, in continuous extrusion processing of micro cellular plastics, the two pressure drop cell nucleation apparatus of the nozzle and gear pump are used.
在连续微孔挤出加工中，当今采用喷嘴和齿轮泵两种快速压降成核装置。
The raw materials, extrusion pressure, pressure holding time and molding temperature during extrusion moulding have great effects on the quality of products.
挤压成型过程中原材料、挤压力、保压时间和成型温度对制品的品质影响较大。
The end pressure loss of LLDPE melt in short die extrusion and factors affecting the pressure loss were investigated by using a capillary rheometer.
应用毛细管流变仪，考察了线性低密度聚乙烯(LLDPE)熔体于短口型挤出流动中的末端压力损失及其影响因素。
Can be used in DuoZhong raw material with novel structure, advanced technology, extrusion pressure, high yield, the characteristics of high vacuum degree, adopt pneumatic clutch to control.
可适用于多种原料，具有结构新颖、技术先进、挤出压力大、产量高、真空度高的特点，采用气动离合器控制。
The variation laws of wearing character on V - packing are studied in the whole working life. The wearing character include the friction force, axial extrusion stress and axial pressure distribution.
对V形密封在整个工作寿命中，轴向挤压应力、轴向压力分布、摩擦力等特性变化进行实验研究。
In this paper the extrusion pressure between the stud and the workpiece during stepping arc stud welding process is acted as the controlled variable so as to control the stud plunge depth.
基于步进式电弧螺柱焊方法，以焊接过程中螺柱与工件之间挤压力为控制量，实现对螺柱送进深度的控制。
Improving function condition of locked coil wire rope can decrease additive pressure effectively, reduce break wire by extrusion and wear, and increase the life of steel wire rope.
通过改善密封钢丝绳的运行条件，有效地减少牵引索附加压力，减少挤压断丝和磨损，可提高钢丝绳的寿命。
The pressure effect of viscosity for polymer melts during die extrusion flow was analyzed.
分析了聚合物熔体于口型挤出流动中粘度的压力效应。
The size dimension of the ion imprinting polymer porous small ball can be controlled by controlling the extrusion pressure and oscillation frequency.
该离子印迹聚合物多孔小球可以通过控挤出压力和振荡频率来控制尺寸大小。
The extrusion molding process and main equipment for producing PE large diameter pipe with negative pressure sizing technology are studied.
对采用负压定径技术生产大管径聚乙烯管的挤出成型工艺及其主要设备进行了研究。
By using the special ram-extruder, the temperature and pressure in the extrusion course can be ensured and the pipe of high quality and low cost can be obtained.
使用专用的柱塞挤出机，保障挤出过程中所需的温度和压力，可以得到高性价比的管材产品。
There are roadway floor heave types such as extrusion, bending under pressure, expansion and shearing dilation, among them bending under pressure is the most common type.
巷道底臌有挤压、压曲、膨胀和剪胀等形式，压曲底臌是最常见的一种形式。
The pressure oscillation can be suppressed by either raising extrusion temperature or adopting blending modification.
升高挤出温度和采用共混改性都可抑制压力振荡现象。
Forming pressure, permeability material extrusion strength.
成形压力大，物料渗挤力大。
Many factors affecting cell nucleation and cell growth among the extrusion process such as preshaping pressure, melt temperature, melt viscosity, interfacial tension, take-up speed and the te.
针对微孔塑料挤出的全过程，对影响气泡成核、成长及泡孔密度的诸多因素如预定型压力、熔体温度、粘度、气泡界面张力、定型卷取速度。
The pressure, velocity and Viscosity distribution is discussed, and the extrusion characteristics of twin screw and tri-screw extruders are compared.
通过速度和压力分布，计算了三螺杆挤出机的螺杆挤出特性参数，并和双螺杆挤出机进行对比分析。
The use of hydrogen peroxide in such a process allows to reduce the power of extrusion at constant moisture content, and to reduce the amount of added water at constant extrusion pressure.
在这种方法中使用过氧化氢能够降低相同水含量下的挤出功率，并且能够减少相同挤出压力下的加水量。
Expansion extrusion molding, extrusion molding apparatus therefor, and process for producing pressure-sensitive adhesive sheet.
膨胀挤出模塑，采用该法的挤出模塑装置，及用于制备压敏粘合剂片材的方法。
The effect of billet size on the effective strain and unit extrusion pressure was investigated during equal channel angular pressing.
研究了坯料尺寸对等径角挤压材料等效应变及单位挤压力的影响。
The influence of the isothermal temperature, the stirring speed and the extrusion pressure on quality of the formed parts were investigated.
研究了半固态等温温度、搅拌速率和挤压力对成型件质量的影响。
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