Its advantages are high survival rate of graft, low-temp fast growth of watermelon seedlings, easy fruit bearing, resisting fusarium wilt and increasing yield of watermelon by 30% or more.
利用该品种做西瓜砧木，嫁接西瓜成活率高，幼苗在低温下伸长快、西瓜易坐果、抗枯萎病，提高产量30%以上。
The present invention relates to a chemical agent for firming epoxy resin, in particular it is applicable to the low-temp. and moisture environment and underwater operation.
本发明涉及一种用于环氧树脂固化的药剂，特别适用于低温、潮湿环境及水下施工作业。
Its advantages are better processing performance and low spinning temp. It can be used to make fibre, film and pipes.
该树脂组合物具有加工性能好、纺丝温度低的特点，可用于制造纤维、薄膜和管材。
Its advantages include simple operation, low desulfurizing temp, high effect and low poison of desulfurizing agent.
本发明具有操作简便、脱硫反应温度低、脱硫效果好且均匀、脱硫剂毒性低、对环境污染小等优点。
Its control device is comprised of processing tool, energy sensor, temp. sensor, addition apparatus, regulating valve, low temp. liquid generator, and forward feed and feedback controllers.
其控制装置由加工工具、能量传感器、温度传感器、加法器、调节阀、低温液体发生器以及前馈控制器和反馈控制器组成。
Its control device is comprised of processing tool, energy sensor, temp. sensor, addition apparatus, regulating valve, low temp. liquid generator, and forward feed and feedback controllers.
其控制装置由加工工具、能量传感器、温度传感器、加法器、调节阀、低温液体发生器以及前馈控制器和反馈控制器组成。
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