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By adding of bamboo charcoal powder, the properties of bamboo charcoal modified polyester fiber is greatly different from conventional polyester fiber.

由于竹炭粉的加入,竹炭改性涤纶的一些性能与普通涤纶具有明显的差异,可以采取密度、脱色、显微镜观察、溶解、比电阻和X-射线能谱仪对其进行研究鉴别。

It's necessary to have a simple and systematic digital model in thinning decision-making. In the paper, the tree location map of 150 m x 30 m Luanta-fir in Hui-Sun Forest Experimental Station were digitized in GIS and thinning simulation by random, Telathaki-Wadali-Chi, DBH class and crown competition index method.

本研究系利用GIS 配合林木位置图,以惠荪林场之150m x 30m 香杉采穗园为研究材料,以生产大径材为目的的考量下,针对疏伐木之选择,利用随机、寺崎渡氏、胸径级、树冠指数等四种方加以模拟、评估、探讨。

By theory analyzing and example calculation and comparison, the conclusion is obtained that the traditional inferential method can be applied in the design flood peak flow calculation, yet it cannot truly express the runoff process of the rain drainage inlet, the instantaneous unit hydrograph depending on the real and actual datum is different to be used in the runoff discharge hydrograph calculation, and the no linearity reservoir means and the isochronal method have some physics base and its parameters easily evaluated and its runoff discharge hydrograph still more is close to practice.

5通过城市雨水地表汇流特性及计算方的理论分析、实例计算和对比得出:传统推理可应用于城市设计洪峰流量的计算,但不能真实地反映雨水口径流流量过程;瞬时单位线等对实测资料有较大依赖,难以应用于城市径流流量过程线的计算;非线性水库和等流时线的径流流量过程线接近实际。

Half penalty method and optimism design of ten connecting bar mechanism of plunger slide in double action drawing press;2. The essential boundary condition is imposed by employing a penalty method .

将选择施加在&虚结构&控制点上的虚载荷作为形状优化的设计变量,并将它与无网格Galerkin相结合来开展结构形状优化研究,采用罚函数来施加边界条件,通过直接微分建立了结构形状优化的离散型灵敏度分析算,利用无网格研究了节点坐标关于设计变量导数的计算。

Comparing the quality of the three methods of making hollow drill steel,"drill-hole and hot-rolled with core"method is best. The present paper indicates that the prolonging life mechanisms of the new drill rod include four aspects.

本文给出H22-40SiMnCrNiMoA锥体连接钎杆制造工艺,运用&钻孔-带芯热轧&、&热穿-热拔&、&热穿-热轧&三种工艺加工的H22-40SiMnCrNiMoA试验钎杆中,&钻孔-带芯热轧&各方面的质量都是最好。

Peptides are traditionally synthesized in liquid phase, such methods are DCC, mixed anhydrides, acyl chloride and azide etc., which provide more choices for peptides synthesis.

传统的肽类合成多采用液相化学合成,常用的包括碳二亚胺,混合酸酐、酰氯、叠氮物等等,为多肽的合成提供了多种选择。

Japan-Tefeno-Shikano methodis considered as an effective method of improving the qualities of heavy forgings. But the traditional JTS processing is complex, and it causes material damage of forging surface. So a new method is proposed, which requires only one-dimensional temperature gradient and the flat anvils to avoid the disadvantages mentioned above.

在大锻件的锻造过程中,为了锻合缺陷,提高锻件内部质量,采用中心压实可以起到较好的效果,但是由于传统中心压实锻造的操作复杂,工况较差,而且锻件表面容易产生压伤和折叠等问题,所以提出一种新的中心压实―一维温差中心压实,即只对锻件上下表面强制冷却,建立一维的不均匀温度场,采用平砧进行锻造,从而避免上述问题。

According to the variable parameters, which are continuum or discrete, an algorithms are over viewed, such as homogenization method, variable density algorithm, variable thick algorithm, moving asymptotes algorithm, simulated annealing algorithm, genetic algorithm, relative difference quotient algorithm and Tabu search technique.

按照设计变量,叙述了连续变量和离散变量拓扑优化设计的一些常用算,其中包括均匀化方、变密度、变厚度、移动渐进算、模拟退火、遗传算、相对差商和Tabu搜索,并对各种方的优缺点进行了比较;对二维和三维复合材料的拓扑学优化设计研究现状和方进行了阐述;提出了拓扑优化设计复合材料的未来研究方向。

Et Zucc which is unique to Chongqing.Different methods including poaching extraction, soxhlet extraction, microwave extraction and ultrasonicwave extraction were employed to extract toosendanin from the basts of Melia toosendan Sied.Et Zucc in the experiments. Some factors affecting toosendanin extraction rate were discussed in mass transfer theory, and the conditions to extract toosendanin were optimized.

本文用传统的水煮提取、索氏提取及现代的微波提取和超声波提取对川楝树韧皮中的川楝素进行了提取,系统研究了不同因素对各种提取方的提取效率的影响,并用传质理论对影响川楝素提取率的因素进行了分析和讨论,优化出了不同提取方的最佳提取条件。

The results showed that ①after the treatment with 0. 3% Triton X-100 5 min or standard binding buffer 20 min,the proteins on NCM could be detected with first specific antiserum from the titer 1:100 diluted to 1: 1000;②the blocking effect of Tween 20 was more effective than that of other blockings;③both HRP-labelled conjugate and colloid gold-labelled c...

结果表明:①经(TritonX-100)=0.3%,5min和SBB20min的蛋白质复性处理后,可使第一免疫血清稀释度1:100改为1:1000使用;②应用(Tween20)=0.05%作为封闭液效果最好;③金标及酶标都可用于Western印迹技术,酶标主带清晰,而金标灵敏度高。

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推荐网络例句

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气,收缩臀部肌肉;拱起身体,尽量抬起头来,右腿伸直朝向天花板(膝微屈,以避免肌肉紧张)。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化,但却比去年同期高8%。

However, to get a true quote, you will need to provide detailed personal and financial information.

然而,要让一个真正的引用,你需要提供详细的个人和财务信息。