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The preferred embodiment is an apparatus for taking up two carrier tapes (52a, 52b) of a bag train incorporating a succession of imbricated packaging bags (51 a, 51 b, 51 c) that comprises two spools (12a, 12b), one for taking up each carrier tape and a differential gear unit (20) positioned between the spools.

优选实施例是一种用于卷绕一个袋子串上的两根承载带(52a、52b)的设备,其中所述袋子串包含有一连串叠瓦状包装袋(51a、51b、51c),该设备包括:两根分别用于卷绕一根相应承载带的卷轴和一个位于这两根卷轴之间的差动齿轮单元。

In this dissertation, as for some problems in flood forecast andreservoir regulation, the research had been done based on the special research topic dynamiccontrol on limit water level in flood season using theories of fuzzy optimizing theory,maximum entropy theory, entropy-weighted multi-objective decision making method, geneticalgorithm etc. And the research focused on evaporation calculation, fuzzy description ofcatchraent impoundage, fuzzy similarity calibration method, nolinear watershed concentrationmodel and error distribution maximum entropy model and risk computation of dynamiccontrol reservoir water level in flood season when the flood forecast and precipitation forecastare taken into consideration.

本文从洪水预报和汛限水位动态控制两个研究方向着手,以汛限水位动态控制研究专题的试点水库为工程背景,运用模糊优选理论、极大熵理论、熵权多目标决策法、遗传算法等理论,研究了蒸散发计算和流域蓄水容量的模糊描述、洪水预报模型参数的模糊相似校正方法、流域非线性汇流模型、误差分布的极大熵模型以及考虑洪水预报和降雨预报动态控制水库汛限水位的风险计算方法。

In order to optimize the permeation extracting process of Incarvillea sinensis by orthogonal design, the optimum permeation conditions were investigated by orthogonal design and incarvillateine was used as the content index.

以角蒿酯碱的含量为指标,通过L9(34)正交试验设计,对提取工艺的溶媒浓度、溶媒用量和渗滤速度3个因素进行优选研究,以筛选出角蒿的最佳提取工艺条件。

In the incontinuous cutting, the wave shape of milling can be looked as periodic function. When the milling wave shape with single-tooth was looked as impulse function, by the Fourier Transform, we can find out that it is composed of sine wave with a given frequency and a series of integer multiple frequency. Discussing on the power function is a major tache for studying on the cutting capability of the complex three-dimension groove milling inserts, so to know the facts that affect the single-tooth milling spectral value, and to observe the dynamic milling wave property from the composition of the power spectral, thus we can design and optimize grooves.

在断续切削中,铣削波形可被看作周期函数,将单齿铣削波形看成为脉冲函数,经过傅立叶变换,可以表示为一个按特定的基本频率变动的正弦波形的分量和许多个按基本频率的整数倍而变动的正弦波形的分量叠加而成,讨论所获得的频谱函数,是研究三维复杂槽型铣刀片切削性能的主要环节,以便了解影响单齿铣削波形幅值谱图的各种因素,并从功率谱图的组成情况来考察动态铣削波形的特性,从而进行槽型的设计和优选

AIM: To use HPLC for the content determination of indirubin in supercritical fluid extraction material from Daqingye and to optimize the process of SFE.

目的:建立用HPLC测定大青叶的超临界萃取物中靛玉红含量的方法,对萃取工艺进行优选

The performace of material was tested by DSC,XRD,SEM,EIS and charge-discharge cycles . The influences of various synthesized condition , sintering time and the amount of F were studied and correlative technics parameter to improve performance of material were optimized. DSC shows that three endotherimc peaks and one large exothermic peak are observed in the temperature range 150-400℃, which is because of the removal of water,the decomposition of the organic constituents and the formation of spinel. Only the citrate precursor is sintered at least 450℃, the crystallinity of spinel phase could be formed intactly.

通过DSC、XRD、SEM、EIS和充放电循环等手段对材料进行性能测试,比较了不同合成温度、烧结时间和不同掺杂元素量等条件对材料性能的影响,优选出提高材料性能的相关工艺参数, DSC表明,采用溶胶-凝胶-络合法制备的前驱体在150-400℃中有三个小的吸热峰和一个大的放热峰,这是前驱体中的水分、柠酸酸及其盐和醋酸及其盐在蒸发及分解,柠檬酸前驱体至少需在450℃以上才可能形成完整的尖晶石材料。

To solve the problem of intelligential decision-making on multi-ships collision avoidance in the field of automatic collision avoidance, a multi-layers and multi-objects fuzzy optimization model of main target ship was designed.

为解决船舶避碰自动化领域的多船智能避碰决策问题,建立了多层次多目标重点避让船模糊优选模型。

A chromium free conversion coating at least equivalent in corrosion protective quality to conventional chromate conversion coatings can be formed on metals, particularly cold rolled steel, by a dry-in-place aqueous acidic liquid comprising: a component of anions, each of said anions consisting of at least four fluorine atoms and at least one atom of an element selected from the group consisting of titanium, zirconium, hafnium, silicon, and boron, and, optionally, ionizable hydrogen atoms, and optionally, one or more oxygen atoms; a component of cations of elements selected from the group consisting of cobalt, magnesium, manganese, zinc, nickel, tin, zirconium, iron, and copper; the ratio of the total number of cations of this component to the total number of anions of component being at least 1:5; sufficient free acid to give the composition a pH in the range from 0.5 to 5.0; a component selected from the group consisting of phosphorus-containing inorganic oxyanions and phosphonate anions; and a component selected from the group consisting of water-soluble and water-dispersible organic polymers and polymer-forming resins and, preferably, also including a component selected from the group consisting of tungstate, molybdate, silicotungstate, and silicomolybdate anions.

通过对包含以下成分的含水酸性液体进行干燥,可以在金属上形成无铬的转换涂层,该涂层与普通铬酸盐转换涂层相比,至少在抗腐蚀质量上等效:$_一种阴离子成分,所述各个阴离子包括至少4个氟原子,至少选自钛、锆、铪、硅与硼元素中的1个原子。任选地可离解的氢原子,任选地1个或多个氧原子;$_一种选自钴、镁、锰、锌、镍、锡、锆、铁与铜元素的阳离子成分,上述成分的阳离子总数与成分内的阴离子总数之比至少为1∶5;$_足够的游离酸以使该组合物的pH值在0.5~5.0的范围内;$_一种选自含磷的无机含氧阴离子与膦酸盐阴离子的成分;$一种选自水溶性与水可分散性有机聚合物与聚合物形成的树脂的成分,优选还包括一种选自钨酸盐、钼酸盐、钨硅酸盐与钼硅酸盐阴离子的成分。

The merits of this approach include: Increase the efficiency of parting line determination algorithm by effectively excluding the faces irrelated with parting line determination; Be able to identify internal parting lines by utilization of molding features; Employ a proper objective function to determine the optimal parting line.

该方法的特点在于基于注塑的特征模型有效地排除了所有与确定分型线无关的塑件组成面,提高了算法的效率;通过注塑特征的使用,能够方便地确定内分型线;利用一种合理的分型线评价方法,确定优选的塑件分型线。

Results The results indicated that there were good biocompatibility between the mixture and lactobacilli.

结果 混合体系的壁材与乳酸菌具有较好的生物相容性,优选得出当芯壁材为1:2时包埋率最高(96.3%),微胶囊化乳酸菌在经人工胃液处理2 h后,活菌数比未经微胶囊化的对照组高出2个数量级,且在经人工肠液处理40 min后,乳酸菌几乎全部释放。

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推荐网络例句

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。

This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.

这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。