搜索 - 科创

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目前工业上生产、使用量最大（大约占总产量的85~90%）的一类环氧树脂为双酚A型，其结构式为式中n=0~19，n=0，常温下为粘稠液体，n≥2，常温下为固体。最常见的E44（6101），假设其n=0，...

今天收到mnsmns网友捐款2000元，使科创基金（A,B）在成立4个月后，余款达到一万零六百元，首次突破万元。自科创基金设立以后，广大网友慷慨支持，先后有13位网友为A、B基金捐款，14位网友为E基...

一直有朋友问我，为什么他们做的一代飘升机总是飘不起来，我和他们说：飘不起来的原因基本就是三点，1飘升机太重，2高压发生器功率太小，3绝缘性没做好。详细方法我也介绍了很多，可是那些朋友尝试后还是不成功，...

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