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的第一线,眼睁睁地看着自己设计的探空火箭被一步一步加工出来。
【MS精工】超级电车“风暴之灵”诞生记
power_rdx
11年8个月前
回复于
电动汽车
内容:博士后的思维,果然不是我等学渣所能理解的:“既然我们参加的是节能汽车大赛,那么我们就应该
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一辆尽可能像汽车的汽车。,且不说我的火星战车到底行不行,光是
制造
成本,风暴之灵加了1500块钱的锂电整车下来花费还没他们弄一个车架子多,真是无力吐槽。,而他们
制造
如此支架的原因仅仅是因为感觉这个电机原配的碳纤支架“看起来”强度不够。
我的DR啊,弄死都不出电弧,调压器都调到200V了~!
安忆lucky
9年5个月前
回复于
高电压技术
内容:
制造
模块桥是理智的选择,你不是也炸过管子么,过载了呗~,咋办,攒钱买模块不就解决了~,模块的耐流大~。
纳米金刚石,从工业到生物科技的“刚”化之路
流落到四川
5年3个月前
发表于
晶体养成所
内容:纳米金刚石抛光膏和悬浮液可用于半导体硅片、计算机磁头、无线电、医学、机械
制造
-刀具、宝石等行业,对材料进行精密抛光,可在任何固体上获得镜面效果,表面粗糙度值Ra可达2~8nm。,由于纳米金刚石兼具纳米粒子和超硬材料的双重特性,可将其用来
制造
增强橡胶、增强树脂,该应用在提高材料热导率,聚合物降解温度、强度和耐磨性等方面作用明显,使纳米金刚石在新型复合材料领域具有广阔的开发前景。
[CZSA]国内第一次塞式喷管探空火箭发射
御坂18650
4年7个月前
回复于
喷气推进
内容:首先祝贺楼主发射成功,
制造
水平有较大进步。
美国“天鹅座”飞船爆炸的淘宝版评论
warmonkey
10年2个月前
发表于
喷气推进
内容:我们不
制造
火箭,我们只是发动机的搬运工。
简易导弹策略
chiataimakra
15年6个月前
发表于
喷气推进
内容:莫使用爆炸物
制造
和谐。
SPRE•SXM 工作室S-III系列火箭
sxm
2年10个月前
发表于
喷气推进
内容:出口压强和大气最好相差不多,在这里只差了2kpa //这个也是HUTK告诉我的↑↑↑↑这里我跟HUTK讨论了304不锈钢过于厚重在设计上改进了许多希望得到大佬们的改进建议,这是我的第一枚火箭,在设计和
制造
过程中还不成熟
【图文】古今中外著名天文学家
核武专家
15年1个月前
回复于
天文与空间科学
内容:他
制造
了供测量经纬度用的类似中国浑天仪的仪器和角距仪;通过系统的天文观测,编有包括1028颗恒星的位置表,测算出月球到地球的平均距离为29.5倍于地球直径,这个数值在古代是相当精确的。
工业设计版软件介绍~
燃气透平
12年1个月前
回复于
机械与工具
内容:UG—UG拥有国内高端PLM最多的用户,这与它强大的设计能力后期辅助分析辅助
制造
等等的高级功能是分不开的,但是我个人认为这些其他软件也不难做到,所以这不是UG成功而关键。
中国业余脑图计划-召集-算法-研讨-step1努力开始还原神经元,胶质模型
noya2012
11年1个月前
回复于
软件综合
内容:我们的知识体系是一棵分形树,其中过去的节点在于,我们
制造
机器,我们
制造
电子操控的机器,我们
制造
生产机器的机器,我们
制造
具有生物一样行为的机器, 原子排列,在地球上出现了多么精彩的实现,他们的自然进化,
英国科学家发明出喷雾式速成衬衫 15分钟完成
立棍
14年4个月前
发表于
极客DIY
内容:报道称,莫奈博士还在进一步开发这种速成纺织品喷雾,希望能用它
制造
出包括帽子、短裤、手套等在内的各种衣物。
子弹可编程控制爆炸时间 美XM25步枪投入实战
虎哥
14年1个月前
发表于
极客DIY
内容:新型步枪能够计算出敌人藏身处远近的具体数值,美军士兵可使用扳机附近的按钮来调整子弹爆炸时的围度,而其
制造
的爆炸当量甚至超过了塔利班手榴弹所产生的强度。
测试发帖(转帖):2,4-DNI铅盐的合成及性能
虎哥
5年7个月前
发表于
化学
内容:2,4-二硝基咪唑(2,4-DNI)是目前国外研究较为广泛的一种高能低感度炸药,因原材料易得,
制造
工艺简单,造成的环境问题比TNT少,能量比TATB高15%~ 20% ,而感度远低于HMX和RDX,因此
一台金属发动机引发的……
lilith
16年0个月前
发表于
喷气推进
内容:通过这台金属发动机的设计和
制造
,我对金属发动机的制作也有了些心得,希望对大家有用。,金属发动机虽然有很高的工作效率,但是,设计难度大,
制造
工艺复杂,成本高,风险大,也是他不可避免的缺点。
示波器的历史,和国产困境。
立棍
7年6个月前
发表于
仪器仪表
内容:于是电路板的
制造
工业技术也同步跟进发展。,不得不说市场起了巨大作用,由于
制造
这些消费电子产品,对于电测仪器自然也有巨大的需求了。,半导体技术叫avago.同样泰克公司曾经旗下有MAXTEK公司,来设计和
制造
本公司仪器所需的特殊定制件。,60年代末期美国佬已经可以
制造
精密的内刻线示波管。,并且内部十分的复杂,
制造
工艺相当精良。
【锋芒】电动汽车时代,新“石油”来临
公众号EV技研作者1900
5年7个月前
发表于
电动汽车
内容:2016年,电池消耗了全部锂电池的29%,而27%用于
制造
玻璃和陶瓷。,超级合金的
制造
消耗18%,硬质金属8%,陶瓷6%,催化剂5%,耐磨产品4%,橡胶添加剂4%,磁铁3%。,当年其他主要终端市场包括有色金属和超合金
制造
业,占全球镍的16%,其次是电镀9%,铸造3%,而电池消耗仅3%新的机会产业——金属回收很明显城市金属回收才是解决之道,尤其是电池的回收。
远征新作——申请雨行动
1703115
6年10个月前
发表于
科创基金
内容:(2)大规模
制造
AN燃料。
开坑,准备设计一个EEG(脑电波)输入法怎么样
大仙
8年8个月前
回复于
电子技术
内容:做伤残人士的义肢动作控制,读取神精信号或肌肉信号做为控制信号,做这个感觉比较靠谱 想起了这个故事,1968年,被下放到单位食堂劳动的杨嘉墀曾经临时参加了一项特殊的工作:为在爆炸事故中受重伤的北京礼花厂女职工王世芬
制造
假肢
求均苯四甲酸酐的合成
全能杀手
17年5个月前
回复于
化学
内容:印象中那东西是透明的 ......不过如果那东西的化学结构和
制造
工艺是公开而且成本可以接受的话 人们也不会花时间研究耐温不到400的材料了...我见到的大致是一下这些特殊固化剂固化的环氧树脂,除了均苯四甲酸酐外还有其它的固化剂也可以达到这个耐热温度
平稳,安全,速度破100km/h的电梯
3DA502
9年0个月前
回复于
极客DIY
内容:直接去钻研最难的技术,这就是创新,换个丝杆谁都会,专利覆盖面过大,轻易就能被无效,谁有本事把符合要求丝杠造出来,这个丝杆产生的专利池远比拍脑洞的电梯含金量高 这个电梯的栗子里面,如果要用伺服电机,国内
制造
不出来功率超过
自制超简单超有创意的铅笔
whgh
11年10个月前
回复于
极客DIY
内容:1761年德国人F·卡斯特在纽伦堡市创建了法泊·卡斯特石墨铅笔厂,采用硫磺、锑等作粘结剂与石墨加热混合
制造
铅芯,使石墨铅笔
制造
技术前进了一大步。
宽带驻波电桥的原理
虎哥
4年11个月前
发表于
无线电
仪器仪表
内容:这种方法目前取得了很好的效果,主要问题首先是差分器件带宽有限,其次是受结构和
制造
工艺的限制,高频定向性尚难做好。
Stratasys:3D打印无神话
hx
11年10个月前
发表于
机械与工具
内容:为此,他花费1万美元购入一台数字制图设备,许多个周末都呆在工作室里潜心研究,以便实现
制造
过程的自动化。,传统
制造
业企业表现出强烈的购买欲望,Stratasys的营收从1995年的1030万美元增长至1997年的2960万美元。,1997年,美国食品药品监督管理局颁发许可,允许Stratasys的3D打印设备用于医疗器械
制造
领域,它进入了另一个前景广阔的行业市场。,里斯说道,这是两种完全互补的技术,公司将在汽车
制造
、医疗、数码产品等多个领域同时发力,合并带来了更多的研发经费。
关于模型火箭、火箭模型、竟技火箭、业余火箭等用语的规定
leeqingyang
13年0个月前
回复于
喷气推进
内容:科创火箭版是探讨火箭技术和业余火箭设计
制造
的专业版块。,所谓业余火箭,参照国际通行的定义,是指主要利用非政府、非商业资金或条件设计和
制造
的火箭,其设计、
制造
、发射等活动服务于科技爱好者及其组织,而非政府、军事或商业用途。,业余火箭活动、业余火箭制作等,属于科技爱好,是科技爱好者围绕火箭研究及其应用而展开的研究、开发、
制造
、测试等一系列活动的总称。
太阳能海水蒸馏器
大仙
16年5个月前
发表于
电气电工
内容:太阳能海水蒸馏器文章出处:国家数字文化网 发布时间:2005-04-05 第二次世界大战中,美国国防部
制造
了许多军用海水淡化急救装置,供飞行员和船员落水后取水用,这种装置实际上是一种简易的太阳能蒸馏容器
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