NO2是亚硝酸，是「氮循环」的其中一项「产物」。特别是养海水鱼和珊瑚，一定要认识「氮循环」。 (1)首先水中的鱼和珊瑚、未吃完的饵料、尸体(包括死亡的水草 软体 鱼类)等都含有有害物质阿摩尼亚(Ammonia)或称氨(NH3及NH4)。这是一种有毒的物质 是造成鱼和珊瑚大量死亡的原凶，它可经「阿摩尼亚...
百度试题 结果1 题目1.按要求完成下列各题。(5分)1. yes(反义词)No2. this(对应词)3. photo(同义词)picture4. what is(缩写形式)what's5. she(对应形容词性物主代词) 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
1. yes(反义词)no2. this (对应词)3. photo(同义词)4. what is(缩写形式)___5. she(对应形容词性物主代词)___ 相关知识点: 基础积累与运用 词语 词义 反义词 试题来源: 解析 【解析】答案: 1.no 2.that 3.picture 4.what's 5.her
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Kombucha is a complex beverage touted to be bothrefreshing and health-promoting; almost ascribedto the status of a cult-like "cure all". Yet, despite itslong history (and incredible popularity as a home-made beverage - especially over the last 50-100 years) it remains largely a mystery (...
What is the correct structure for para-bromotoluene? What sugar is the C-3 epimer of D-sorbose? Tris(hydroxymethyl)aminomethane or (HOCH_2)_3CNH_2, commonly called TRIS or Trizma, is often used as a buffer in biochemical studies. Its buffering range is from pH 7 to 9, and K_b is...
What is the product? What is the product of Mn^{+2} + NH_3 \to? What is an epoxide? What is the point called on a graph of pH vs log \frac{A^-}{HA} \text{ when } A^- = HA?} Graphs are listed as y vs. x.
In addition, products may have been discontinued and may no longer be available. Learn more: What is paracetamol / Panadol called in the US? Related questions What's the best medicine for sore throat? What is paracetamol / Panadol called in the US? Advil (ibuprofen) & Tylenol (acetaminophen...
What is Matter? Matter is a relatively new open-source IP-based connectivity standard for smart home technology. The Connectivity Standards Alliance (CSA), comprised of Apple, Google, Amazon, and other tech companies, first announced Matter as a joint project called CHIP (Connected Home over ...
就是单词不够几个只听得懂what”s your name 的这种 分享323 英语口语之点石成金吧 Johnny_apple [UK.social] what happens at private schoolThere is a very popular Facebook page called PrivateSchoolSnapchats where a rich, anonymous teenager from UK shares Snapchat photos of “wha 分享61赞 faker...