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Effects of dry temperature and dry time on properties of heat cured sand and the relationship with binder composition are as follows:sands bonded by binders that are not modified have high strength when dry temperature is high and dry time is long,but their anti-wettability power is poor . Sands bonded by binders that are modified by B but not modified by M can be dried quickly and sand strength is high but anti-wettability power is also poor. Sands bonded by binders that are modified by M but not modified by B can also be dried quickly to obtain maximum strength,then the strength becomes lower when they are dried continually for more time. and sand strength is high but anti-wettability power is also poor. Sands bonded by binders that are modified by M as well as by B at the same time can be dried quickly to obtain maximum strength at low temperature and short time. But the anti-wettability of sand mold is best when they are dried at high temperature and long time.

烘干温度和烘干时间对热硬砂性能的影响及其与粘结剂改性的关系是：未经改性剂B和改性剂M改性的粘结剂砂，脱水速度较慢，烘干温度越高，时间越长，则硬化强度也越高，但未经改性的粘结剂热硬砂的抗吸湿性较差；经改性剂B而不经改性剂M改性的粘结剂热硬砂，烘干硬化速度较快，强度也高，但在高湿度下的抗吸湿性不好；经改性剂M改性而不经改性剂B改性的粘结剂热硬砂，烘干时强度先随烘干时间升高至最大值后，继续烘干时强度又出现下降；经改性剂B和经改性剂M共同改性的粘结剂热硬砂能在短时间和较低的烘干温度下就可烘干到最高强度，即烘干脱水的速度较快，但试样的抗吸湿性差，若在更高温度和更长时间下烘干，试样的抗吸湿性得到改善，综合考虑烘干强度和抗吸湿性要求，对于φ30×30mm试样，理想的烘干温度是200℃，烘干时间20分钟。

Yue Feng published the long brilliant section of single crystal of sapphirine of will devoted LED external last year, already purchased long brilliant equipment at present 1 undertakes research and development is mixed try produce, order an end formerly machine stage increases spread to reach 20 by this year, will inspect plan at present and order.

越峰客岁对外公布将投入LED蓝宝石单晶的长晶区域，今朝则已购入长晶行动措施1台进行研发和试产，原订方针本年末将扩增机台至20部，今朝则将视进度而订。

Add an interesting element to a design or border with couched long stitch which is a cross stitch placed over a long single satin stitch.

一个有趣的元素添加到设计或措辞长针是一种十字绣长期单一的缎面针置于边界。

A dd an interesting element to a design or border with couched long stitch which is a cross stitch placed over a long single satin stitch.

一个有趣的元素添加到设计或措辞长针是一种十字绣长期单一的缎面针置于边界。

Add an interesting element to a design or border with couched long stitch which is a cro ss stitch placed over a long single satin stitch.

一个有趣的元素添加到设计或措辞长针是一种十字绣长期单一的缎面针置于边界。

Add an interesting element to a design or border with couc he d long stitch which is a cross stitch placed over a long single satin stitch.

一个有趣的元素添加到设计或措辞长针是一种十字绣长期单一的缎面针置于边界。

Add an interesting el ement to a design or border with couched long stitch which is a cross stitch placed over a long single satin stitch.

一个有趣的元素添加到设计或措辞长针是一种十字绣长期单一的缎面针置于边界。

Add an interesting element to a design or border with co uched long stitch which is a cross stitch placed over a long single satin stitch.

一个有趣的元素添加到设计或措辞长针是一种十字绣长期单一的缎面针置于边界。

Add an interesting element to a design or border with couched long stitch which is a cross stitch placed over a long sin gl e satin stitch.

一个有趣的元素添加到设计或措辞长针是一种十字绣长期单一的缎面针置于边界。

N b sp;Add an interesting element to a design or b order with couched long stitch which is a cross stitch placed over a long single satin stitch.

一个有趣的元素添加到设计或措辞长针是一种十字绣长期单一的缎面针置于边界。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。