The experimental structure indicated that, When monomer MAAMPEA: MAA mole of ratio 1:3, When a AMPS mole of score is 10%, this copolymer has the good dispersivity and the dispersive retentivity.

The profile of metal ions in Masson pinewood is researched by means of SEM EDAX and atomic absorption spectrometer. The content and retentivity of metal ions in unbleached KP AQ pulp of pinewood are studied.

用扫描电镜能谱仪（SEM EDAX）及原子吸收光谱仪研究了马尾松的金属离子分布及马尾松硫酸盐蒽醌（KP AQ）法未漂浆中金属离子的分布及滞留性能。

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Retentivity Research on the Stitch Closure of Elastic Fabric Made of Silk Polyurethane Wraped Yarn

真丝/氨纶包覆丝弹性织物缝口保持性的研究

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Experimental results indicate that retentivity depended both on the nature of the fruit juices and the vegetable juices as well as on the characteristics of the membrane itself.

试验表明，膜的截留特性与果蔬汁品种和膜自身的特性相关，果汁的处理效果一般优于菜汁。

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Water retentivity for low retentive section of red soil in South Guangxi

桂南地区赤红壤低吸力段持水性能的初步研究

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The results show that MC can improve the consistency and water retentivity of fresh cement paste significantly, increase the fluidity and setting time of cement slightly.

结果表明：甲基纤维素有显著的增稠和提高水泥浆体保水性的作用，有较小的增塑、缓凝效果；

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Retentivity of Metal Ions in Alkaline Pulp of Alnus Wood

桤木碱法浆中金属离子的滞留性能初探

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The Design and Implementation of an Instantaneous Retentivity CAT System

医用瞬时记忆力测试系统的设计与应用

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The magnetization, the coercivity and the retentivity are 32.549 emu/ g, 137.08 Oe and 2.9766 emu/ g, respectively.

镀钴后样品的饱和磁化率为32.549emu/g，矫顽力为137.08Oe，剩磁为2.9766emu/g。

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The content and retentivity of metal ions in unbleached KP AQ pulp of pinewood are studied.

结果表明，原料及未漂浆中都含有复杂的金属离子；

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Chromaticity analysis, texture measurement and sensory evaluation displayed that AOB addition in proper amount had no great influence on its original colors flavour and mouth feel, and could increase the water retentivity of the products in some level.

色差分析、质构测定、综合感官评定的指标显示：添加适当比例的AOB对产品原有的色泽、风味和口感无不良影响，在一定程度上还能增加产品的保水性。

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Theoretically, there are at least 3 internal factors that in-fluence the susceptibility to airsickness, i. e. receptivity, adaptability and retentivity.

有关晕机病易感性的理论认为：至少有三种内在因素影响着人体对晕机病的易感性，即感受性、适应性和保持性。

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Objective Aiming at clinical tests of neural encephalopathy, an instantaneous retentivity CAT system based on C/ S structure was developed to actualize the following functions: medical records management, graphical testing, numerical testing, orientation testing and reports management.

目的设计并开发一个基于c/s结构的瞬时记忆力测试系统，用于脑神经病人的临床测试。

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Then, the water retentivity and water migration tests were performed on the two liner specimens to evaluate the water retention and migration properties from saturated/ unsaturated base soil.

然后对斑脱土衬里进行持水与水迁移实验，评价斑脱土衬里水的迁移特性。

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Moisture retentivity of soil.

土壤对潮湿的保持力。

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Deeply refined base stocks with high viscosity index can also improve energy economy effect and retentivity.

深度精制的高粘度指数基础油的使用可以提高发动机油节能效果和保持能力。

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The hyperbola gear oil manifested itself to be best of antifriction and retentivity among the oils tested, but the antifriction of graphite-grease even higher by more than 58 times and retentivity by 14 times.

在油类中，双曲线齿轮油具有最佳的减磨性和减磨长效性，而石墨油脂的减磨性又比双曲线齿轮油高58倍以上，长效性高14倍。

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Test objectives: use specific block impact on the mattress over and over again, to assess their impact, and the durability of solid retentivity.

用特定的加载块反复对床垫进行冲击，评估其耐用性，和弹簧的坚牢保持度。

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In this dissertation, we lay our efforts on the research of T-B singularity and accompanying bifurcation properties in delay differential systems, and the retentivity of Hopf bifurcation, T-B singularity and homoclinic orbit in numerical discretization of delay differential systems.

本文主要研究时滞微分系统的T-B奇性和由此产生的同宿轨与Hopf分歧性质，以及离散化格式对时滞微分系统的T-B奇性、Hopf分歧与同宿轨道的保持性（继承性）。

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After the low salt sauce radish processed thermal-sterilization, its crispness retentivity was studied.

低盐酱萝卜软包装热力杀菌后，对其脆度的保持性进行了研究。

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Experiments with photoreceptor mutants show that distinct UV-A/ blue ( cry mediated) and UV-B photoreception systems control CHS expression.

光受体突变体实验表明存在不同的UV-A/蓝光和UV-B光感知系统调控CHS的表达。

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