We changed the content of low melted polyester staple fibers, needle punching density and the content of polyester filament to discuss the influences of these parameters on the buffer effect of the compound nonwoven fabrics in bulletproof complex fabrics.
研究中藉由改变低熔点聚酯短纤含量、针轧密度及高强力聚酯长纤含量等制程条件来探讨这些参数对复合非织物应用於防弹依缓冲材之缓冲效益。
The fluence of areal density and needle-punch density on insulating ability and peeling strength were investigated by experiments in this paper.
通过实验研究了面密度和针刺密度对保温性能和剥离强力的影响。
The result shows that the spread filament reinforced nonwoven with proper needle punching density require higher strength and measurement stability.
结果显示在不同针轧密度的条件下，长纤经开散形成的三明治织物在适当针轧密度下有较佳的强力及尺寸安定性。
The relationship between needling density, the depth of needle penetration and the properties of nonwovens, such as basic physical properties, mechanical properties and filtration properties is analyzed thoughout experiment and theory analyses.
经实验验证及理论分析，得出了针刺密度、针刺深度与非织造布物理性能、机械性能及过滤性能的关
So the machine has many controlling assemblies such as needle selecting, triangle changing, density adjusting, needle bed moving, thread-carrier changing etc.
因而机器有多类控制装置，如选针、三角变换、密度调节、针床横移、导纱器变换装置等。
That the average coefficient of friction of short fiber C/SiC, low density needle punched C/SiC and high density needle punched C/SiC composites are 0.28, 0.28 and 0.42, respectively;
短切纤维C/SiC、低密度针刺C/SiC与高密度针刺C/SiC复合材料的平均摩擦系数分别为：0·28,0·28与0·42；
Spatial Distribution and Seasonal Changes of Needle-leaf Area Density within 17-year-old Chinese Fir Crown
杉木中龄林树冠叶面积密度空间分布及季节变化
The FFT (Fast Fourier Transform) technique is applied to process the image of knitted fabrics to get the frequency of needle loops in order to measure the density.
采用FFT（快速傅立叶变换）对针织物进行图像处理，并利用提取的针织线圈的空间频率信息来测量针织物的密度。
The Measurement of the Apparent Density of Porous Resin Pycnometric Method Filling Mercury through Hypodermic Needle
针头注汞比重瓶法测定大孔树脂的表观密度
Early and late frost, Dedrolimus superans, sawfly and needle cast of larch could reduce the quality and quantity of foods of larch casebearer and had indirect effects on its population density.
早霜、晚霜、松毛虫、叶蜂及落叶松早期落叶病等都能直接影响鞘蛾食物的质量和数量，进而间接地使鞘蛾种群密度降低。
The calculation and converting of the formula for punching density of needle punching nonwovens and the usage of the slide rule are introduced, to be favourable for producers to use.
介绍了针刺法非织造有针刺密度的计算公式及其变换，以及计算尺的使用，以利于生产者方便应用。
The electric current treatment changes the morphology of primary iron-rich phase from thick plate-like to flower-like and to needle point-like in Al-Fe casting alloys with the increase of electric current density;
对熔体进行电流处理，随电流密度的增大，初生Al3Fe相形貌逐渐由针状转变为花朵状、小针状和针点状；
The distributions of electron density, electron excited temperature and molecular vibration temperature of a single micro-discharge filament in needle-plate dielectric barrier discharge are measured from glass plate to metal needle.
实验对针-板介质阻挡放电单个微放电通道内振动温度、电子激发温度和电子密度空间分布进行了测量。
The lattice parameters of calcined coke and foreign needle coke were similar, true density and ash content reached the new Japanese cosmetic company standards.
所制备的煅后焦的晶格参数与国外针状焦相近，真密度、灰分含量等性能均达到日本新日化公司标准。
The addition of anthracite and needle coke simultaneously could significantly improve the dispersivity of magnesium powder and increase the hydrogen storage density.
无烟煤和针状焦混合添加能明显改善球磨时的分散性并提高镁的储氢密度。
The distance between the needle electrode and microgrooves, the size of the microgrooves and the heat flux density have significant influences on the threshold voltage and the characteristics of heat transfer, and the effect of the distance is particularly remarkable.
热负荷、电极间距以及微槽尺寸对阈值电压值以及换热特性均有很大影响，电极间距的影响尤为显著。
Based on morphology analysis of composite fabric, the effects of needle punching depth and density on properties of composite fabric were investigated.
在分析复合织物组分形态的基础上，研究了针刺深度和针刺密度对复合织物性能的影响。
Stitch density control: The stitch density is divided into needle cylinder, quality cam and sinker cam for the adjustment of fabric stitch density.
密度调节：分为针筒、密度三角、生克三角三个部分，对织物进行密度调节。
Species distributed evenly and Richness of species was great when the density closure of broadleaved stands was 0.6 ~(0.7) and density closure of needle-leaved stands was 0.7~0.8, plants of arborous, shrub, and herbal layers grew well.
阔叶林在郁闭度0.6～0.7，针叶林在0.7～0.8时各物种分布均匀，物种丰富度较大，乔、灌、草各层生长状况良好。
In the substance and on the surface of these matrix vesicles could be discerned fine needle shaped calcium salt crystals with deep eletron density.
基质小泡内及其表面出现细针状的深电子密度钙盐结晶，结晶不断增加，形成丛毛球状钙球。