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约找到 1273 条结果,耗时 0.232 秒
多种气体检漏仪ECOTEC Ⅱ拆解
Arutoria
3年3个月前
发表于
核技术与核仪器
拆机鉴赏
内容:这样,进入分配器的气体只会有一小部分通过毛细管被高真空的质谱室吸走,而大部分则与隔膜泵第
二级
气体汇流,被下方的隔膜泵第一级抽走,这种结构一般称为真空差分腔体,可用于质谱微量进样。,在分配器与第
二级
隔膜泵之间的这条管路上设有微型flowmeter,型号为AWM2100V,用于检测吸枪的流量,此时通过毛细管进入质谱室这一部分的气体流量将被忽略不计。,上图为安装在PCB上的flowmeter(左一)图为三通流量分配器,左右两侧分别通过快拧头与吸枪、隔膜泵第
二级
相连,正中央的小孔即与高真空质谱室相连接的金属毛细管图为从高真空质谱室端观察金属毛细管气体分子进入高真空质谱室后会被四级杆探头前端的,这个问题放到后面去讨论质谱室上另设有一放气阀,在维修/更换前端金属毛细管时可以旋起阀杆,通过阀座侧面的小孔向质谱室内放气破坏掉真空通过四级杆质谱的气体被抽入下方的分子泵,通过排气口排向隔膜泵的第一级,再与从流量分配器过来的气体共同汇入隔膜泵第
二级
想做个简单的回收,这样子可以吗
花雨繁星
2年1个月前
发表于
电磁炮
特殊话题: 提问/求助
内容:把续流
二级
管接到一个空电容上面,给空电容充电实现回收电感电能就说可不可以就行了,浪费储能这些先不管他,因为我在想能不能用前级放完的电容回收后级电能
回 4楼(557304) 的帖子
原子裂变
12年2个月前
回复于
电磁炮
内容:
二级
等到毕业再说吧。。。
回 30楼(jrcsh) 的帖子
彩虹之巅
12年0个月前
回复于
喷气推进
内容:呃,的确,倾角数据在合适的
二级
点火段一直在波动。,有个想法,如果通过传感器得知箭体波动过程中正好位于垂直的那个点附近的瞬间进行
二级
点火,不知道是否可行。
哈哈,作业终于快完成了,可以专心搞火箭了
1000
15年10个月前
回复于
电磁炮
内容:这是
二级
加速的,线圈还没饶
回 6楼(虎哥) 的帖子
jeilly6100
11年4个月前
回复于
电磁炮
内容:谢谢虎老板指点...接着又在定做工具中.希望最后能得到想要的结果吧.在昨天的基础上,加了第
二级
,结果很不理想,感觉像是没看到有任何效果.但第
二级
确实是在工作,蛋蛋通过光电开关时会放电,不知道问题出在哪.
头疼系列四: P50
零零落落
1年10个月前
回复于
电磁炮
内容:大佬续流
二级
管用什么型号的
为啥你们多级加速要用光电感应?
pingmac
14年0个月前
发表于
电磁炮
内容:或者把弹头磁化 炮管上再绕个小线圈做检查 有脉冲 就触发第
二级
,以此类推,不过可能干扰不好搞定!
I型想关图纸
jrcsh
13年4个月前
回复于
喷气推进
内容:引用第2楼虎哥于2011-09-21 17:52发表的 :
二级
尾翼那张图,发动机是不是太靠前了一点,推力都被壳体消耗了。,建议把发动机喷管移动到和
二级
尾部一个平面。
新手教程
274476044
13年0个月前
回复于
电磁炮
内容:
二级
加速电路呢?
railgun撬杠支路是什么
zxjdcp
15年1个月前
回复于
电磁炮
内容:
二级
管的型号?
带助推火箭分离新思维
bkh123
13年8个月前
发表于
喷气推进
内容:看了贴,发现带助推分离装置很复杂,就逆向想了一下, 为和一定先分离助推呢,可不可以从一
二级
间分离呢?
二级线圈炮
ltc
14年5个月前
回复于
电磁炮
内容:看清楚电路图,
二级
不是手动触发的
跟长数学做电磁炮
虎哥
5年1个月前
回复于
电磁炮
内容:顶楼增加了第
二级
选件的安装视频。
自己制作的一个手机外置充电器。
vocal@ルカ
13年4个月前
回复于
极客DIY
内容:加
二级
管会降低效率无图无真像
回 5楼(隐犬) 的帖子
听我说瞎话
12年4个月前
回复于
电磁炮
内容:他那个是第
二级
可控硅触发开关
目前KC上所有的放电间隙开关汇总+分析+实验报告
Ball_Lightning
2年4个月前
回复于
电磁炮
内容:simulator 模拟(20kV2nF对20uH放电)的数据是电感峰值电流160A,即使模拟步长拉到0.1ns,也看不到电压下降的过程😂另外,我给用35kHz的高压包通过30uH电感给电容充电,观察不到
二级
间隙打火的情况也试过用高压电容通过,5MΩ电阻击穿
二级
间隙,失败。,表示没看太懂,您画得难道不是一个
二级
火花间隙?
有没有二进制的排阻。
cgcc
9年8个月前
发表于
电子技术
内容:最近做项目要用到
二级
制电阻,一个个组装太麻烦,所以就想找一个二进制排阻,但某宝上找不到,到处是顶置,百度上也是,到处广告。
关于模型火箭赛事的通知
444_4_44_4
16年7个月前
回复于
喷气推进
内容:哇...
二级
火箭....
头疼系列四: P50
零零落落
1年10个月前
回复于
电磁炮
内容:续流
二级
管多大的。
TD-68 IGBT关断式电磁炮
OMEGAERJSH
5年1个月前
回复于
电磁炮
内容:当年做的
二级
的比你做的都😂大多了
科创航天局将择机发射万户0型二级火箭
wall哥
13年2个月前
回复于
喷气推进
内容:3、
二级
火箭的尾翼需要足够牢固,一级火箭箭体的槽需要足够平滑,避免
二级
火箭尾翼脱落 下面阐述一下此连接方案原理: 一级火箭箭体的槽作为导轨,
二级
火箭尾翼与柱状突起形成稳定结构(或直接改用长条形小翼展的侧翼,接下来说说我的
二级
点火方案。,,其内装有惯性点火控制系统,外接电子点火头与
二级
发动机连接。 ,单片机系统需要做到的是:小球接触锡箔纸,随后断开时,能向连接
二级
发动机的电子点火头(桥丝+易燃物)输送足够的电流使电子点火头正常工作进一步点燃
二级
发动机。,同时由于
二级
发射时的喷气问题对导轨的做工提出了更高的要求。
新手刚做好的评价一下!!!!!
Li-HZheng
14年7个月前
回复于
电磁炮
内容:是说整流
二级
管吗?
多级火箭分离方案
hsldlee
13年2个月前
回复于
喷气推进
内容:最近也一直在想这个,想用相机快门那种结构抓住
二级
的喷口,分离时放开,发现结构还蛮复杂的。。,好处是分离时对
二级
的飞行姿态影响小些
野兔1号固体火箭发动机
Zhangrky
9年4个月前
回复于
喷气推进
内容:头锥怎么这么大个台阶,
二级
火箭?,如果不是
二级
火箭建议不要弄鸭翼 这个是,之前初中的七巧板做的,而且这个我没打算发射,两端都封死了,只有旁边的那几个发动机才要用来试验的
半导体凉风扇2代~20日补上果体制冷,不满载功率也凶残。。
cx380310551
12年8个月前
回复于
极客DIY
内容:散热真的很差 ,用
二级
制冷效果和散热会更好
收个电磁枪
爱你的我
11年0个月前
回复于
跳蚤市场
内容:
二级
就够了.没有
怎么做多级火箭
phpskycn
15年10个月前
发表于
喷气推进
内容:第
二级
发动机就会被点燃,同时第一级会脱落。
回 19楼(john667096) 的帖子
pl_014
12年5个月前
回复于
软件综合
内容:呵呵,真心想学就好,总比那些学了只为应付
二级
考试的要强得多!
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