初植密度对落叶松人工林的纤维形态特征、物理特征及化学特征有重要的影响,除生长轮宽度外,其它各指标差异显著;
Planting density has significant effects on fiber morphology, physical and chemical properties of Lalix olgensis wood. Except growth-ring width, remarkable differences was found in other indexes.
结果表明:混凝土轴拉初裂强度分别随钢纤维体积率的增大和混凝土强度等级的提高而增大。
It shows the axial tension initial cracking strength of concrete increases with the increasing of steel fiber volume ratio and enhancing of concrete strength grade separately.
不仅推出了初裂强度、极限强度的计算公式,而且还给出了钢纤维混凝土的损伤本构方程。
The calculation formulae of initial crack and limit strength are derived. The foundation equation of harm mechanics of steel fiber concrete is given here.
测定了在不同纤维掺量下混凝土梁的初裂冲击次数、破坏冲击次数以及冲击能。
The initial-crack, fracture impact cycle number and impact energy of these concrete beams with different fiber dosages are also tested.
本发明涉及包含核化的茂金属聚丙烯的长丝和初纺纤维。
The present invention relates to as-spun fibers and filaments comprising a nucleated metallocene polypropylene.
轻便的板式结构,优质的聚酯合成纤维过滤材料,初阻力低,防火性好。
The light panel structure, the high quality PET synthetic fiber filter material is with features of low initial pressure, good fire-proof function.
通过纤维素刚果红培养基初筛,滤纸失重实验复筛,35种微生物中有4株表现出较高的纤维素酶活力。
In advantage of cellulose-congo red medium and weight losing test of the filter paper, 4 out of the above-mentioned 35 strains showed higher enzyme activities.
1990年初以来,天然纤维增强复合材料在静态和中等受力状态下的应用,例如帽子支架、汽车车顶和汽车内部衬里,是众所周知的。
Natural fiber reinforced composites are well known for static and middle stressed applications such as the hat rack, the car roof or the indoor car interior lining since the beginning of 1990.
对轻骨料高强度钢纤维混凝土的抗压强度、初裂强度、弯曲强度、弹性模量和弯曲韧性指数等主要力学指标进行了试验研究。
The flexural strength, first crack strength, modulus of elasticity and flexural toughness of high-strength lightweight fiber-reinforced concrete were investigated.
初压后,碳纤维在基体中的分布产生了一定的取向性。
After primary press, the carbon fibers showed some directional distribution.
该文以垂直倾斜半环多级组合对撞流干燥系统为研究对象,通过对木质纤维进行初含水率、气流流量、气流温度和带载率等系统参数的实验研究,探讨木质纤维的对撞流干燥特性。
This study focuses on the influence of initial fiber moisture content, air temperature, air flux and loading ratio on the drying efficiency and quality of wood fiber in impinging stream-drying system.
结果表明:(1)随着紫花苜蓿的不断生长,SDF含量下降而IDF含量升高,选择初花期紫花苜蓿提取膳食纤维较好。
The results showed as follows, (1) it is better to extract DF by selecting alfalfa at the beginning of florescence, because the content of SDF declined while IDF increased with the growing of alfalfa.
2008年初,烟台最大的韩国独资服装企业——世刚纤维有限公司的30余名韩籍高管集体外逃事件更是引起社会各界广泛关注。
In early 2008, more than 30 executives in Shigang Fiber Limited Company, the biggest Korean owned garment enterprises in Yantai, escaped together. The event attracted wide attention in the society.
借助弯曲荷载-挠度全曲线,分析了纤维掺量和类型对韧性指数和初裂荷载的影响。结果表明,钢纤维混凝土的抗弯初裂强度、极限强度和弯曲韧性均随纤维掺量的增大而提高。
Through the load-deflection curves of SFRC, the effects of fiber kinds and fiber content on the first-crack strength and the flexural toughness of SFRC were contrasted with those of concrete.
借助弯曲荷载-挠度全曲线,分析了纤维掺量和类型对韧性指数和初裂荷载的影响。结果表明,钢纤维混凝土的抗弯初裂强度、极限强度和弯曲韧性均随纤维掺量的增大而提高。
Through the load-deflection curves of SFRC, the effects of fiber kinds and fiber content on the first-crack strength and the flexural toughness of SFRC were contrasted with those of concrete.
应用推荐