本文研究了不同改性淀粉对纸张干强度的影响。
The paper studies the effect of different modified starches on dry strength.
经过试验,发现该增强剂对纸的干强度有明显的效果。
The dry strength agents have showed the obvious effect to increase the dry strength.
通过正交试验分析了处理工艺中各种因素对纸张拉伸干强度的影响;
Through a orthogonal test this paper analyzes the factors influencing the paper′s dry tensile strength.
交联使纤维的湿断裂强度明显提高,湿干强度比可提高16.9%,但对纤维的热稳定性影响不大;
Wet breaking strength increased obviously after crosslinking, and the ratio of wet strength to dry strength increased by 16.9%, while there was a little impact on thermostability.
通过正交试验,研究了各因素对真空实型铸造铸钢件涂料的透气性、干强度、剪切力、悬浮性的影响。
In this paper, the influence of various parameters on suspension shearing dry strength and permeability of EPC coating used on steel casting through right Angle test was studied.
为改善聚醋酸乙烯乳液耐水性差的缺点,用硅烷偶联剂对其进行了改性,使其压缩剪切强度的干强度和湿强度均有显著的提高。
Using silane coupling agent to copolymer with vinyl acetate, the water resistance of the polyvinyl acetate emulsion is improved, and the compress strength is praised.
专家警告,如果池水蒸干,燃料棒暴露在外将会熔化或者着火,这样会产生致死的辐射强度。
They warned that if the tanks run dry and leave the fuel rods exposed, the rods could melt or catch fire, creating potentially lethal levels of radiation.
环氧浇注干式配电变压器高低压线圈都由环氧树脂浇注密封, 所采用的环氧树脂性能好,抗裂, 耐高温,机械强度高,寿命长。
Epoxy cast dry-type distribution transformer high-voltage coil sealed by epoxy resin casting, using epoxy resin performance, cracking, high temperature, high mechanical strength, long life.
研究结果表明:泡沫加入量增加,泡沫混凝土砌块的干密度逐步减小,抗折和抗压强度递减。
The results show that the dry density, bending strength and compressive strength of foam concrete block decreased with the increasing of the amount of foam.
粉煤灰加入量增加,泡沫混凝土砌块的干密度递增,抗折和抗压强度增大。
The dry density, bending strength and compressive strength of foam concrete block increased with the increasing of the amount of fly ash.
在物理力学性质指标中成熟材的基本密度、气干密度、顺纹抗压强度、抗弯强度、抗弯弹性模量及冲击韧性高于幼龄材;
In physical and mechanical indexes, the basic density, air-dried density, compression strength parallel to grain, MOR, MOE and toughness of mature wood are higher than that of juvenile wood.
该公司在一份声明中说,这种轮胎在印度的公路上进行了高强度的测试,着重测试了耐久性,湿跑道刹车和干跑道刹车。
The tyres had been tested extensively on Indian road conditions with emphasis on endurance, wet and dry braking, the company said in a statement.
试验结果表明:涂层刀片干铣削高强度钢的加工性能优异,工件加工表面质量达到半精磨水平。
The advantages of coated cemented carbide tool in dry milling of high-strength steel are demonstrated, and the workpiece surface roughness reaches the level of semi-finishing grinding.
方差分析表明:63杨、69杨微纤丝角、基本密度、抗弯强度和干缩率差异显著,说明63杨和69杨受滩地类型影响较大。
It indicates that there are significant differences for microfibril Angle, basic density, bending strength and rate of shrinkage of poplar 63 and poplar 69 by variance analysis.
试验得到粉砂的动强度高于一般砂性土,主要是因为制样控制干密度比较大。
Because of the high dry density the dynamical strength of silty sand is higher than those of ordinary sands.
试验结果表明,不仅干密度影响动强度,粘粒含量和粉粒含量变化对动强度影响也较大。
It is proved that not only dry density but also the particle content change of clay content and silt content affect liquefaction strength.
加入细料到化学浆中可大大提高纸页紧度和许多干纸页强度性质。
Addition of fines to a chemical pulp significantly improves sheet consolidation and many dry sheet strength properties.
结果表明,高c3s水泥具有较高的强度和较小的干缩,可大量利用粉煤灰(掺量可达40%)。
The results indicated that high C3S cement had higher strength and less drying shrinkage and can largely utilize fly ash (up to 40% of fly ash may be added).
激光焊接薄壁钻头的显著特点是钻齿焊接强度高,不掉齿,可以用于无水干钻,便于实现大批量规模化生产。
Laser welding thin wall bit is characterized by high welding strength of bit teeth, no falling out of the teeth and mass production by non water dry drilling.
黄砂的含水量对干拌砂浆的强度影响大,要严格控制砂含水不得超过0.2%。
And meanwhile, water content has excellent effect on strength of DMM, and control water content ratio of slag is below 0.2%.
纤维强度是由单位纤维干重、纤维素含量、胞壁厚度、成熟度及胞壁结构密度等亚性状决定的。
Fiber strength depended on the dry weight per fiber length, content of cellulose, thickness of cell wall, maturity, density of cell wall and other sub-factors.
结果表明,用粉煤灰陶粒所配制的轻集料混凝土强度较高,干表现密度和热性能均能满足设计要求,而且更经济。
Study results show that sintered fly ash aggregate concrete is relatively high in strength and more economical in use, and its dry density and thermal properties can meet design requirements.
通过控制混合料的干密度、水泥用量和水灰比的取值范围,可使混合料同时满足排水性能要求和结构强度要求。
By controlling the range of the dry density, magnitude of cement and water cement ratio of mixture, the requirement of drainage property and structure strength can be fulfilled.
结果表明:在果实发育的整个过程都有干物质的不断积累,但不同时期其积累量和积累强度不同;
The results showed that there was continuously accumulating of dry matter during the whole growth and development, but the accumulative amount and intensity varied in various period.
建立了土体抗拉强度和干密度之间的关系。
A relationship between tensile strength and dry unit weight of soils is established.
种源内木材气干密度、力学强度及胞壁率差异不显著,管胞长、宽和壁厚的差异均显著且高于种源间的差异。
Meanwhile, there were not significant differences in wood air dry density, mechanical strength and cell wall percentage of intra provenance.
沙棘及其混交林对土壤水分的利用强度相似,林地存在土壤干层现象。
Seabuckthorn and its mixed stands have similar intensity of soil water use, and there was a soil dry layer phenomenon in their stands.
回归和通径分析结果表明,株高、叶面积、根体积、根干重是影响根系伤流强度的主要因素。
The result of path analysis and regression indicated that plant height, area of leaf, volume of root, and dry weight of root were key factors for the roots bleeding intensity.
对干砂的抗剪强度进行了研究,认为型砂存在咬合强度。
The shear strength of dry sand has been studied, the result shows the interlocking strength existing interdry sands compacted.
对干砂的抗剪强度进行了研究,认为型砂存在咬合强度。
The shear strength of dry sand has been studied, the result shows the interlocking strength existing interdry sands compacted.
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