According to the low packing ratio in a industry, the nonstandard tray sizes designing problem is proposed, and the SQL database techniques is applied to solve the problem.
针对某行业产品包装中标准托盘包装的利用率低的情况，提出非标准托盘的尺寸设计问题，并运用SQL数据库的运算功能实现了非标准托盘尺寸的优化设计。
The influence of three main factors such as lattice structure, packing ratio and dielectric constant ratio on complete forbidden band of 2-d air cylindrical photonic crystal is studied.
研究了晶格结构、填充比、介电常数比三个主要因素对二维空气圆柱型光子晶体完全禁带的影响。
The company settled upon "packing" images together by understanding their aspect ratio to create "a cohesive page while you scroll," said Marissa Mayer, VP of search products and user experience.
公司通过解析图片的宽高比来建立“当你卷动时的粘合页面”，以便把“打包”的图片放在一起。产品搜索和客户体验的副总裁玛丽萨·迈尔说到。
The expansion ratio is related to the liquid flow rate, fluidization velocity and free descending velocity of the packing material.
填料膨胀率的大小与液体流量、填料的流化速度及自由沉降速度有关。
The results of loquat stored in the ways of packing, coating film or low temperature were compared. Effects on losing weight ratio Browning ratio, and storing period were also studied.
试验目的是调查包装、涂膜和低温贮藏对枇杷果实的保鲜效果，并对枇杷果实的失重率、褐变率及贮藏期的影响进行探讨。
Polystyrene particles insulation pulp by polystyrene particles and heat preservation is powder materials separately according to ratio of packing.
聚苯颗粒保温料浆是由聚苯颗粒和保温胶粉料分别按配比包装组成。
The influence of the factors, such as the molar ratio of acetic acid ton-butanol, the feed rate of the reactants and packing density of the catalyst, was investigated.
考察了酸醇投料摩尔比、混合液的进料流量、催化剂的填充密度等因素对反应过程的影响。
This paper proceeds some discussion about the optimized sand-ratio, ave rage paste thickness and aggregate packing degree in the packing concrete mix proportion design.
本文对密实混凝土配合比设计中的最优砂率、平均胶结浆体厚度、骨料密实度进行了一些探讨。
The effects of packing structure, azimuth factor, shape factor, orientating factor, axis ratio and size uniformity on the packing fraction have been also evaluated.
讨论了堆积结构、方位因子、形状因子、取向因子、轴比和粒度均匀性对堆积系数的影响。
The ligand mixing reaction, the nonintegral metal- ligand ratio in compound compositions, the even-odd effect and related phenomena are analysed in the light of the steric packing of the ligands.
从配体空间堆积效应分析了配体混合重排反应、金属—配体非整数比化学组成、奇偶效应等现象。
In the industry of mechanical manufacturing, packing is to research how to lay parts on the stuff to achieve higher material utilization ratio and better process technics.
在机械制造行业里，排样主要研究零件的布局，目的是提高材料利用率，同时满足加工工艺的要求。
The utility model has larger void ratio and specific surface area and also increases the mass transfer efficiency between gas and liquid when used as packing in the packing tower.
本实用新型具有较 大的空隙率和比表面积，提高气液两相间的传质效率。
Because packing optimization can increase container's utilization ratio and decrease transport cost, the corporation profit is improved.
布局的优化可以提高集装箱的空间利用率，降低运输成本，从而提高企业的利润。
Be suitable for dropping multi types of material at a fixed ratio into a bag and packing, such as mixed Tea.
本机适用于多种不同物料按照固定比例分别下料充填到一个袋子中，如八宝茶。
Be suitable for dropping multi types of material at a fixed ratio into a bag and packing, such as mixed Tea.
本机适用于多种不同物料按照固定比例分别下料充填到一个袋子中，如八宝茶。
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