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  • abbreviations - Usage of p. versus pp. versus pg. to denote page . . .
    The correct forms are p for a single page, and pp for a range In many cases, actually, you don't need any of them Quite commonly you'll find references in the form volume:page(s), like 5:204 or 8:99–108 (or, for works of a single volume, something like Blah Blah Blah 108)
  • pp材质的性能和分类是什么? - 知乎
    pp是安全的食品容器用塑胶,但若老化就不安全,例如台湾就有热水器内pp塑胶老化的先例。 由于侧甲基连接的主碳链骨架碳原子是一级碳原子,使PP更易受氧攻击而氧化,且在铜的作用下降解速率急剧减小。
  • PP 塑料和 PE 塑料有什么不同? - 知乎
    Pp,主要成分是聚丙烯 PE,主要成分是聚乙烯 Pp的强度,刚度,硬度优于聚乙烯,可在100摄氏度使用具有良好的介电性能,胶频绝缘性且不受湿度影响,但低温时变脆不耐磨易老化,PE延伸性抗撕裂性耐冲击性好,透明度较高,热风性,加工性能好。
  • PP vs Was - English Language Usage Stack Exchange
    A passive verb needs to have [to be] before the main verb (which should be in past participle form) 'has been' and 'was' are both forms of [to be], thus both sentences are grammatically correct
  • PP 材料的优缺点有哪些? - 知乎
    pp材料的应用领域: pp材料(聚丙烯)由于其独特的性能特点,被广泛应用于各个领域。以下是一些pp材料的主要用途: 1 包装材料:pp材料具有良好的透明度和机械性能,常用于制作塑料薄膜、包装袋、瓶盖等包装材料。其无毒、无味的特点也使其适用于食品包装。
  • Usage of p. vs pp. to denote two separate pages
    Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers
  • writing style - Correct form for a page range? - English Language . . .
    "pp 6, 23–5, 7, 67–8, 94–117" is wrong It has to be "pp 6, 7, 23–5, 67–8, 94–117" Any other choice must be made based on the style manual you're required to use Most biomedical journals use en dashes, but I use hyphens when I edit bibliographies let the publisher put in the en dashes
  • pp 材料和 pet 材料有什么区别? - 知乎
    1、pp,即聚丙烯的常见制品:盆、桶、家具、薄膜、编织袋、瓶盖、汽车保险杠等。 2、PET,即聚对苯二甲酸乙二醇酯的常见应用:常见于要求抗水、抗油及抗化学物品、耐高温等性能较高的产品标签,用于卫生间用品、化妆品、各类电器、机械产品等。
  • writing a letter for someone else - English Language Usage Stack Exchange
    1) business letter - it is common enough for business letters to be written and or signed by someone else In this case, it can be acceptable to write the letter as if it were from the President of the company or another high level representative if you are authorized to do so Put pp: or p p to indicate the letter was signed by someone else
  • Percentage points abbreviation - English Language Usage Stack Exchange
    The very fact that you are having to go to considerable pains to demonstrate to Hot Licks that "5 2 percentage points" differs fundamentally from "5 2 percent" is to me a strong indication that you shouldn't make the distinction even more difficult to grasp—which I think would happen if you shortened "5 2 percentage points" to anything else





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