复合

The bulk resistivity of the conductive polyethylene composite was 0.2 Ω·cm.The tensile strength was 47.6 MPa and the percent elongation at break was 1.6%.The conductive composite was solution impermeable and corrosion resistant.The SEM micrograph indic...

结果表明，聚乙烯复合导电塑料的体积电阻率达到0.2Ω。cm，拉伸强度为47.6 MPa，断裂伸长率1.6%，同时具有不渗液、耐腐蚀等特性，SEM观察表明，聚乙烯复合导电塑料中形成了导电网络，适合用作钒电池的集流体。

Modified nano SiO2/PA6 composite plastics were prepared by melt compounding method. The effects of dosage and grain diameter of nano SiO2 on the mechanics performances,heat resistance and barrier ability of nano SiO2/ PA6 composite plastics were studied.

采用熔融共混法制备改性纳米SiO2/PA6复合塑料，研究了纳米SiO2用量及其粒径对SiO2/PA6复合PA6力学性能、耐热性能和阻隔性能的影响。

Methods The effects of chitosan and calcium alginate fibers on haemostatic and wound-sticking property, the admixture of viscose and purified cotton or super absorbent resin on water absorbency, and the forming mode of hydrophobic nonwoven fabric and combining method of hydrophobic ethylene-propylene and viscose on waterproof ability were compared.

研究壳聚糖、壳聚糖－海藻酸钙盐复合纤维的止血与抗粘连效果，不同克重的粘胶纤维及其与脱脂棉、高吸水树脂复合材料的吸湿性能，丙纶及疏水乙丙纤维无纺布的成型方法及其与粘胶无纺布的复合方式时阻水性能的影响；测试了新型战创伤急救敷料的理化性能。

By esterification, saponification, doubledecomposition and formulation, liquid rare earth of monoisooctyl phthalate complex heat stabilizer was prepared with phthalic anhydride, isooctyl alcohol, sodium hydrate, rare earth chloride, mixed solvent and other reagents. The optimum conditions are: the temperature of esterfication is 130～140℃,and the reaction time is 1h. The temperature and time of saponification is 60℃ and 10min respectively. The temperature of double decomposition is 60～70℃,and the reaction ti...

摘 要：以邻苯二甲酸酐、异辛醇、氢氧化钠、氯化稀土、混合溶剂、助剂为原料，通过酯化反应、皂化反应、复分解反应以及复配制备了以邻苯二甲酸单异辛酯稀土为主要成分的液态稀土复合热稳定剂，其工艺条件为：酯化反应的温度控制在 130～ 14 0℃，反应时间为 1h ；皂化反应的温度为 6 0℃，反应时间为 5min ；复分解反应的温度在 6 0～ 70℃，反应时间为 1h ；水洗温度控制在 6 0～ 6 5℃；混合溶剂的用量为 5 0 %，稀土含量为 6 0 3%；在复配过程中，采用亚磷酸酯作为辅助热稳定剂，其用量为 5 %～ 7%，PVC中加入 2 %的这种稀土复合热稳定剂，在185℃下，其热稳定时间为 4 5min。

Thermodynamic analysis is carried out for the compound reaction system of diethyl ether and methanol from synthesis gas. The equilibrium composition and the selectivities in equilibrium are calculated for different initial compositions, temperature and pressure.

确定了合成气直接合成二甲醚与甲醇的复合反应体系独立方程数，并进行了热力学计算与分析，计算了不同初始组成、温度、压力下复合反应体系的平衡组成及平衡条件下二甲醚与甲醇的选择率。

Considering the problems of spurgear precise plastic forming, such as high deformation resistance, poor flowability and especial hardness to fill cant of gear, technological plan was developed based on precise plastic forming technique, successive control principle and consecutive local deformation theory. Moreover, structures of the rolling preform die and the die with up and down wellrounded forcer for stamping-extrusion and bulge-extrusion combining forming were designed too.

因此本文的主要研究内容和结果如下：本文以某种直齿轮：模数m＝2，齿数z＝20，压力角α＝200，变位系数x＝0为对象，针对直齿轮精密塑性成形变形抗力大，流动性差，特别是成形中齿轮角隅部分更加难以充满问题，基于精密塑性成形技术、逐次控制原理以及连续局部变形原理提出了&直齿轮滚轧制坯－镦挤、胀挤复合精成形&的工艺方案，设计了滚轧制坯的模具结构和上下冲头带圆角的镦挤、胀挤复合精成形的模具结构。

By means of guidance command decomposed forwardly, the combined control system is divided into two parallel subsystems: the aerodynamics subsystem and the direct force subsystem.

复合控制采用对制导指令进行前向分解的方法，将复合控制系统分为两个并行的子系统，即气动力控制子系统和直接力控制子系统。

The sharp rising process of the reflectivity was explained quantitatively well based on the model of Auger recombination of high density plasma and Auger-recombination-induced heating to lattice, which showed the heating effect induced by Auger recombination in high density plasma should be the main mechanism of ultra-short laser pulse-induced phase change.

利用高密度等离子体的Auger复合及其感应的晶格加热模型较好地定量解释了反射率从最小到最大的快速变化过程，表明高密度等离子体的Auger复合加热导致的热效应可能是超快激光诱导相变发生的主要机制。

In comparison with the conventional method of coating on the tool surface, carbide powders were coated with boehmite sol when dispersed in the mixture of boehmite sol and ethanol. The coated powders were then dried, separated, and hot-pressed. The sol preparation techniques were optimized in experiments and the property of the sol was studied at the same time.

本文从提高硬质合金刀具的耐磨性、探索新型刀具涂层方法入手，突破了在刀具表面进行涂层的传统方法，提出了用溶胶－凝胶法在硬质合金碳化物粉末表面涂覆一薄层氧化铝陶瓷制成复合粉末，然后热压制备刀具材料的新方法，开发成功一类新型的陶瓷涂层硬质合金复合刀具材料。

The composite membranes with different ratio of Al〓O〓 to SiO〓 are composed of amorphous matter or amorphous matter and γ-Al〓O〓 when sintered at 600℃. The composite membrane with mullite composition go thrsought the following phase transition as the temperature rising from 200℃ to 1100℃: amorphous matter and boehmite (200℃)→amorphous matter and γ-Al〓O〓(4001000℃)→mullite and α-Al〓O〓.

经热处理后不同化学组成的复合陶瓷膜由无定形态或者无定形态和γ-Al〓O〓组成，具有莫来石化学成分的复合膜随着烧结温度的升高，其组成分别为无定形态和勃姆石（200℃）、无定形态和γ-Al〓O〓（400-1000℃），并在1100℃时析出莫来石和α-Al〓O〓。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。