百度试题 结果1 题目What is for the "ph" in "nunber"? (不超过3个词) 相关知识点: 试题来源: 解析 number "nunber" 应该是 "number",意思是 "数字"。 因此,"ph" 在 "nunber" 中代表 "数字"。反馈 收藏
RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook PHW AcronymDefinition PHWParent Heart Watch(est. 2005) PHWParty Hard Wrestling(Mesa, AZ) PHWProgrammable Hardware(electrical engineering) PHWPressurized Heavy Water ...
pH is the negative log of hydrogen ion concentration in a water-based solution. The term "pH" was first described by Danish biochemist Søren Peter Lauritz Sørensen in 1909. pH is an abbreviation for "power of hydrogen" where "p" is short for the German word for power,potenzand H i...
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我国如今推行的教育HY目的之一,就是让学生学会HY考虑、主动探究、自主学习。因为这种学习方式( ) ①是学习过程的本质要求 ②适应现代社会知识开展的特点 ③适应现代社会对个人素质的要求 ④能帮助我们解决所有的学习问题
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pH measurement is an important parameter in nearly every water quality application. In environmental sampling and monitoring, high or low pH values can be indicative of pollution. To determine the pH of water, a pH meter can be used to measure this impor
What does pH stand for in chemistry? What is neutral on the ph scale? What is the strongest acid on the pH scale? What is the difference between distilled water and deionized water? What does Ph stand for in organic chemistry? What is the autoionization of water?
Water with a high pH level (above 7) is basic or alkaline. Some people prefer to drink alkaline water, depending on their tastes. High pH water can result in increased tendency for scaling within water heaters and mineral buildup on fixtures. High pH levels in well water are usually the ...
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