Influence of factors such as resin kinds, flame retardant kinds and added quantity of the flame retardant on flame retarding effect and physicochemical performance of the nitrolacquer was analyzed. 研究了树脂的种类、阻燃剂的种类、阻燃剂的添加量等因素对阻燃效果和涂料理化性能的影响。
Synthesize of the Slow-release Retarding Polycarboxylate High-range Water Reducer and Study on Rheological Properties Effect of Environmental Friendly Fresh-keeping Agents on Rose Cut Flower 缓释高保坍型聚羧酸高性能减水剂的合成及流变特性研究环保型保鲜剂对月季切花的保鲜效应
In order to prove water diversion and retarding action effect of permeable pile groins, the flow velocity formulas above and below the permeable pile groins are derived respectively. 为了验证井柱桩透水丁坝的分水缓流作用效果,建立单排井柱桩透水丁坝运行时的水量平衡方程,导出了单排井柱桩透水丁坝上下游流速公式。
Study on Synergistic Retarding Effect of Rectorite and Intumescent Flame Retardant on Polypropylene 累托石/膨胀型阻燃剂协同阻燃聚丙烯的研究
Water Diversion and Retarding Action Effect of Single Permeable Pile Groins 单排井柱桩透水丁坝的分水缓流作用效果
Therefore, it is not appropriate to use the difference between the initial setting times as the index of the retarding effect of the retarder for plaster. 所以,初凝时间差不宜作为石膏缓凝剂的缓凝效果指标。
The better fluidity retention capacity of LS was attributed to the more stable zeta potential of the cement surface and the retarding effect of mortar setting. LS保持砂浆流动性能力较好是由于它的缓凝作用以及吸附LS的水泥颗粒表面zeta电位较稳定导致的。
Besides, this result indicates that addition of citric acid has an obvious setting retarding effect on gypsum but may reduce the mechanical performance of its products. 掺加柠檬酸对石膏具有明显的缓凝作用,但同时使制品的力学性能降低。
The Retarding Effect of An Orbit Transfer by A Single Impulse 卫星脉冲变轨的延迟效应
Fire retarding mechanism of various fire retardant for polyvinyl chloride is investigated and effect of different quantities of various fire retardant to produce oxygen index and mechanical propert studied. 探讨了聚氯乙烯各种阻燃剂的阻燃机理,研究了各种阻燃剂的不同用量对制品氧指数及机械性能的影响。
The inflaming retarding effect of Ca on molten Al-Mg alloy under various temperatures and retention time is investigated. 探讨在不同温度及时间条件下钙对铝镁合金熔炼过程中的阻燃效果。
It is pointed out that epoxy resins/ layered double hydroxides nanocomposites has better inflaming retarding properties and smoke suppression effect and broad prospect of application. 指出与环氧复合材料相比,环氧树脂/水滑石纳米复合材料具有良好的阻燃性能和抑烟效果,应用前景广阔。
Reduction of absorbed water area and physical limitation of the encapsulated membrane made retarding effect realize. 延缓作用是通过吸水面积的减少及包覆膜的物理限制作用实现的。
Detecting method of retarding effect of S-type retarder for plaster S型石膏缓凝剂缓凝效果的检测方法
The results show that the stick with inhibitors has the significant retarding effect for the lateral bud growth and no bad effect for upper leaf growth. 结果表明,抑芽药棒对烟株上部叶片生长没有不良影响,对抑制烟草侧芽生长效果明显。
Tests proved that SJ-H1 high range retarding agent could be used in small content with good retarding effect. 试验研究证明,SJ-H1型高效缓凝剂掺量少,缓凝效果强。
The results showed that the retarding effect of the retarders is citric acid> sodium citrate> tartaric acid> potassium sodium tartrate> sugar> phosphate. 缓凝剂对β半水膏的缓凝效果:柠檬酸>柠檬酸钠>酒石酸>酒石酸钾钠>蔗糖>磷酸盐。
If E h < 1, fly ash retards the hydration process of cement and the smaller the value of E h, the greater the retarding effect of fly ash. 若粉煤灰的水化影响因子<1,则粉煤灰延缓水泥水化,值越小,延缓作用越显著。
When the delay in forming time is rather long, SRA will be of more remarkable retarding effect than retarder made from wood, and it is more economic. 在延迟成型时间比较长时,SRA比木钙具有更为明显的延迟成型效果,且具更明显的技术经济性。
Its retarding effect is close to that of 1227 but better than Peregal O; 缓染效果接近1227,优于平平加O;
After the addition of critic acid, the retarding effect produced and the strength reduction of hardened gypsum paste are closely related to the variation of crystallization habit and crystal structure of hydration products. 加入柠檬酸后,建筑石膏的缓凝、石膏硬化体强度的下降均与二水石膏晶体生长习性的改变息息相关。
Studies on Fire Retarding Effect of Fire Retardant HIPS/ Organo-MMT Nanocomposite& Influences of Modification Ratio of Organo-MMT on Synergistic Effect 阻燃高抗冲聚苯乙烯/有机改性蒙脱土纳米复合材料阻燃效应的研究(Ⅱ)&蒙脱土改性比率对阻燃协效性的影响
The process is easily operated and the product had good fire retarding effect. 工艺简单,阻燃效果显著。其阻燃背衬胶乳氧指数可达70以上。
Inflaming Retarding Effect of Ca on Molten Al-Mg Alloy 钙在铝镁合金熔炼中的阻燃效果
Results show that the three retarders have all delayed the hydration pro-cess, extended the setting time and reduced the strength, in which the retarding effect of citric acid is most distinct. 结果表明,这3种缓凝剂均延缓了石膏的水化进程,使凝结时间延长,强度降低,低掺量时柠檬酸缓凝作用最显著;
Retarding the decreasing progress of the renal function is the key of increasing the clinical curative effect in treatment of chronic nephritis. 延缓慢性肾炎病人的肾功能减低,是提高慢性肾炎临床疗效的关键。
Studies on the Flame Retarding Effect of Triphenyl Phosphate Nanocomposite and Epoxy Resin Mixtures on the Polypropylene 纳米磷酸酯与环氧树脂在聚丙烯中阻燃效果的研究
As far as the whole country is concerned, tax revenue increase already has infirmly retarding effect to economic growth. 就全国范围而言,税收增长对经济增长已经产生了弱地抑制效应。
However, it can effectively reduce the retarding effect of OES by formulating OES and quick-setting agent, such as TEA and saturated limewater. 而通过对OES与速凝剂TEA和饱和石灰水复配可以有效降低其缓凝作用。
Silicon could slow down the decline of respiration rate under PEG stress, and the retarding effect was more obvious in leaves than that in roots. 施硅能明显延缓PEG胁迫后期水稻呼吸速率的下降,尤其对叶片的效果更为显著。