... 并列比较-氨态氮与氨态氮的表格形式 5. 摘要 什么是氨(ammonia)? 氨是一种无机化合物,化学式为NH3。因此,它是一种具有特殊刺鼻气味的气态化合物。这种化合物的IUPAC名称是azane。摩尔质量为17 g/mol,沸点为−33.34°C。一个氨...
氨(ammonia)和混浊氨(cloudy ammonia)的区别 氨是化学工业中大量生产的化学品,氨和混浊氨的主要区别在于成分。氨是氮和氢的化合物,而混浊的氨是加了氨的肥皂。基本上,混浊的氨主要用于家庭清洁。但是氨作为一种化学物质...
如果你曾经为一个新的CPU做过很多比较,你可能已经注意到,所有的核心似乎都有速度,而不是不同的组合。为什么?今天的超级用户问答帖子回答了一位好奇的读者的问题。 今天的问答环节是由SuperUser提供的,SuperUser是Stack E...
...C to MLC, TLC, and even QLC along with **aller process sizes (all of which lower cost with some higher risk of wearing out). Flash has gotten a lot cheaper. There were also a few alternatives that did not have wear issues. For example, running the entire system off a ROM (which is arguably solid sta...
... fairly recent widespread adoption of policies and procedures that help to lower the likelihood of ESD damage to products. Regardless, its impact on the electronics industry is larger than many other entire industries. It is also a huge topic of study and very complex, so I will just touch on a few ...
...题 超级用户阅读器Remi.b想知道为什么清空磁盘空间似乎可以加速计算机: I have been watching a lot of videos and now understand how computers work a bit better. I understand what RAM is, about volatile and non-volatile memory, and the process of swapping. I also understand ...
...o than that. The current uses of Pentium as a brand name seem to be on the lower end. Anything that is Core series or i3,5,7 series gets listed as that, anything left over may get Pentium. 有什么要补充的解释吗?在评论中发出声音。想从其他精通技术的Stack Exchange用户那...
...但是,如果我们自己的设备可能会失去准确性,NTP服务器如何保持如此准确? 今天的问答环节是由SuperUser提供的,SuperUser是Stack Exchange的一个分支,是一个由社区驱动的问答网站分组。 图片由LEOL30(Flickr)提供。 问题 超级用...
...发现一大堆字母、数字和缩写词。它们到底是什么意思?如何将代码转换成有用的信息? 今天的问答环节是由摄影交流(Photography Exchange)提供的,摄影交流是Stack Exchange的一个分支,是一个由社区驱动的问答网站分组。图片由...
...标有1080p和1080i的名称,但这种名称到底意味着什么?它如何影响您的购买和观看决定? 今天的问答环节是由SuperUser提供的,SuperUser是Stack Exchange的一个分支,是一个由社区驱动的问答网站分组。 问题 超级用户读者Avirk对他在hdtv...