Pp的例句大全

Some PP test statistics and their properties

几类PP型检验统计量的性质

The theoretical analysis and experiments all show that the model not only is lower than trigram model in PP ( perplexity), but also is superior to trigram model in dependence on test text domain.

理论分析和实验均表明：该模型不仅复杂度低于三元文法模型，而且对测试文本域的依赖性也优于前者。

Tetraethoxysilane ( TEOS), methyl methacrylate ( MMA) and 2-hydroxy propyl methacrylate ( HPMA) were used to prepare SiO 2/ PMMA hybrid quasi-gels by sol-gel method. The hybrid quasi-gels were used to modify PP as filler.

以正硅酸乙酯（TEOS），甲基丙烯酸甲酯（MMA）为主要原料，甲基丙烯酸β羟丙酯为活性单体，溶胶凝胶法制备PMMA/SiO2杂化准凝胶，并以其为填充物对PP进行复合改性。

The improvement of texturizing jet orifice for PP BCF

丙纶BCF变形喷嘴的改进

Development of non-halogen flame-retardant PP for environment

环保型无卤阻燃聚丙烯的研制

Taking the real differential digit as critical value and selecting lag truncation parameter to make root test have maximum power, the author compares the reliability of ADF test and PP test through their theoretical power.

以统计量的实际分位数为临界值，在选择滞后截断参数使单位根检验具有最高势的前提下，通过比较检验的势给出了ADF检验和PP检验可靠性的比较结果及其适用范围。

A series of technological data in spinning, drawing and heat setting are obtained and the fiber produced has been analysed in terms of structural properties, the result has guide meanings for producing PA/ PP core-sheath composite fibers.

对纺丝、拉伸、热定型工艺取得了一系列数据，同时又分析了纤维的结构特性，所得结果对制取锦丙皮芯复合纤维具有理论指导意义。

Development of modified PP side guard plate of heavy truck

重型汽车改性PP侧护板的研制

But compared with PP-IFR, the initial decomposition temperature and maximum decomposition temperature of PP-IFR/ MWNTs-COOH were delayed and carbon content were also decreased.

而PP-IFR/MWNTs-COOH复合材料的初始分解温度和最大热分解温度与PP-IFR比较却延后，成炭量也下降。

Conclusion The temporal rhythm of 24 h blood pressure of the hypertension patients with glycometabolism abnormality was disturbed, and the debasement of DBP and augmentation of PP in the patients with IGT were significant. PP augmentation correlated with postprandial blood sugar and plasma insulin level.

结论糖代谢异常的高血压患者其24h血压的昼夜节律紊乱，其中以IGT患者的舒张压降低和脉压增大为著，而脉压增大与餐后血糖及血浆胰岛素水平相关。

Tensile Characteristics of Low Filler Loaded SiO_2/ PP Nanocomposites

低填充SiO2/聚丙烯纳米复合材料的拉伸特性

The effect of viscosity ratio on the tensile characteristics, flexural property, impact property and heat deformation temperature of PP/ HDPE were investigated.

研究了粘度比对聚丙烯（PP）/高密度聚乙烯（HDPE）共混物的拉伸性能、弯曲性能、冲击性能以及热变形温度的影响。

It was clear that the tensile creep behavior of EPDM/ PP was influenced by the PP matrix.

EPDM/PP的拉伸蠕变特性受其PP连续相的影响。

Thermoplastic Elastomer EPDM/ PP Prepared by Complete Dynamic Vulcanization: Relationship between Its Textile Structure and Its Tensile Creep Behavior

动态全硫化热塑性弹性体EPDM/PP的织态结构与拉伸蠕变特性关系的研究

The results indicated that for GB/ PP composites, with the increase of the GB content, the tensile modulus, bending strength and modulus increased linearly, while the yield strength decreased slightly;

结果表明：随着GB用量的增加，单、双螺杆挤出GB/PP复合材料的拉伸模量、弯曲强度和弯曲模量均呈线性增长的趋势，而屈服强度则有小幅下降；

The results show that the use of maleic anhydride-grafted polypropylene ( PP-g-MAH) as a compatibilizer can effectively enhance the interface adhesion between the plant-fiber and the polypropylene matrix, which can improve significantly the tensile strength, flexual modulus of elasticity and flexual strength of the composites.

结果表明，用马来酸酐接枝PP（PP-g-MAH）作增容剂可有效地增加基体与木纤维之间的粘合作用，使木纤维增强PP复合材料的拉伸强度、弯曲强度和弯曲弹性模量都得到很大提高；

The PP/ PPga blend showed higher improvement in Youngs modulus in comparison with PP, while impact strength and tensile yield stress changed a little.

对PP/PPga（100/8）共混体系，PPga加入使杨氏模量提高，但对冲击强度和屈服强度影响不明显。

PP/ mPE blends also possessed lower tension set, compression set and creep strain.

另外，PP/mPE还具有较低的拉伸永久变形、压缩永久变形和蠕变变形。

PP material can withstand the tension stress and easy to welding.

PP材料能承受张拉应力并易焊接。

The production of antiaging masterbatch for high tenacity PP filament was introduced. By artificial accelerated ageing test and outdoor exposure test, the application of antiaging masterbatch on the high tenacity PP filament was discussed.

：将加入了防老化母粒的聚丙烯高强丝进行人工加速老化试验和户外大气暴露试验，讨论了防老化母粒在高强丝上的应用。