纤维

The result makes clear, add ply of hempen fiber layer, unit weight, hind back cavity dimension, all can raise hempen fiber to be in medium, low frequency paragraph sound power absorption coefficient.

结果表明，增加大麻纤维层厚度、容重、后背空腔尺寸，均可提高大麻纤维在中、低频段的吸声系数。

Fiber layer ply increases, resonance absorbs frequency to increase to unit weight of; of shift of low frequency direction, sound power absorption coefficient increases in the begining more apparent, subsequently rate of hole of; of amplitude hasten delay increases, hempen fiber sound power absorption coefficient increases gradually.

纤维层厚度增加，共振吸收频率向低频方向移动；容重增加，吸声系数开始时增加比较明显，随后增幅趋缓；孔隙率增加，大麻纤维吸声系数逐渐增大。

In this dissertation, key technologies in ethanol production from lignocellulosic biomass including pretreatment, enzymatic hydrolysis of cellulose and hemicellulose, ethanol fermentation from hexose and pentose, and comprehensive utilization of lignocellulosic feedstock were investigated.

本文对木质纤维原料的预处理、纤维素和半纤维素的水解糖化、利用己糖、戊糖发酵乙醇、以及木质纤维原料的综合利用等关键技术进行了系统研究。

The malignant tumors included osteogenic osteosarcoma,metastasis tumor(six patients,two with pathologic fractures),chondrosarcoma,malignant fibrous histiocytoma (three patients,one with pathologic fracture),fibrosarcoma,and solitary myeloma.all patients received limb savage procedure with custom knee prosthesis including sevnteen cases of hinge joint and twentyone cases of posterior stability joints.

回顾分析我院接受定制型人工关节置换进行保肢治疗的股骨远端肿瘤患者38 例，其中良性肿瘤9 例，分别是骨巨细胞瘤7例(复发性骨巨细胞瘤5 例，骨折2例)，骨巨细胞瘤合并动脉瘤样骨囊肿1 例，骨母细胞瘤1 例；恶性肿瘤29 例，分别是成骨性骨肉瘤16 例，转移性肿瘤6例(骨折2例)，软骨肉瘤2 例，恶性纤维组织细胞瘤3例(骨折1例)，纤维肉瘤1 例，局灶性骨髓瘤1 例。

Among them, the antioxidant compounds can effectively remove free radicals and esters peroxygen compounds inside the body, and interdict the powerful cancerogenic substance N-ammonium nilrite compounds. It can not only greatly enhance the body's immunity, but also with effective functions in moisturizing the skin, anti-fatigue and anti-aging; the bamboo fiber contains the amino acid necessary for human body, having distinctive health-care functions on the skin; the bamboo cellulose, bamboo honey and pectin have the effects of moisturizing the skin and fighting fatigue. They can increase the body's microcirculating blood, activate the histiocyte, enable the body to produce heating effects, effectively regulate the nervous system and unclog the meridian; the bamboo fiber has no free electric charge, antistatic and relieves itching.

其中，抗氧-化合物能有效清除体内的自由基和酯-过氧化合物，阻断强致癌物质N一亚-酸氨化合物，不仅能显著提高机体免-能力，而且具有滋润皮肤和抗疲劳、-抗衰老的生物功效；竹纤维含有多种-体必需的氨基酸，对皮肤具有独特的-健功能；竹纤维素、竹密、果胶具有-滋润皮肤和抗疲劳的功效，能增加人-的微循环血流，激活组织细胞，使人-产生温热效应，能有效调节神经系统-，疏通经络；竹纤维不带自由电荷，-静电，止瘙痒。

The hollowness is one of main physical indexes of hollow fiber .

中空纤维中空度是中空纤维物理性能的主要指标之一。

Restricting the homeomorphism on the fibres of fibre bundles π:G(2,8)→S6 and τ:CP3 →S4 respectively,we get the set of complex structures on the tangent spaces of S6 and S4 respectively.

进一步，将此同胚限制于纤维丛π：G(2，8)→S6的每一纤维，给出S6的切空间上保定向的复结构

Aiming at the poor dyeing property of the cotton/milk protein fiber blended yarn, the effects of process factors such as dyestuff, resist agent, pH value, dyeing temperature and time on its homochromatism were discussed.

针对棉和牛奶蛋白纤维的染色性能差异，讨论染料、防染剂、pH值、染色温度和保温时间等工艺因素对棉／牛奶蛋白纤维混纺纱线同浴染色的影响。

Hydrolysis,homolysis and oxidation are emphasized differently in stepwise thermal degradation.

PBO纤维是迄今耐高温性能最好的高聚物纤维。

Individual manufacturers to hoodwink consumers will be extremely low in commodity specifications filling fibre bogus high specifications filling fibre.

个别厂家为了蒙骗消费者，还在商品标注中将低规格填充纤维冒充高规格填充纤维。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐