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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)
  • latin - Conventions of abbreviations of pages (pp. ), for academic . . .
    120 pp, 10 figures instead of, 120 pages, 10 figures It looks to me that from Usage of "p " versus "pp " versus "pg " to denote page numbers and page ranges, the pp actually stands for the range of pages, say pp 10-12 means the page 10 to the page 12 However, is it nd safe totally acceptable to write 120 pp to mean the 120 pages?
  • 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 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
  • 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
  • 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。
  • 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 材料和 pvc 材料的区别有哪些？ - 知乎
    第四，pp板比pvc板密度小，pvc密度更高一点，所以pvc比较重。 第五，pvc的耐酸碱程度比pp板会更好一些 ，但是质地较脆且硬，抗紫外线辐射，能长时间经受住气候变化，不易燃。
  • How to use current standards to write a per procurationem letter
    “The phrase per procurationem is ambiguous if used with undeclinable English names” refers to a difference between English and Latin in the treatment of names
  • 请问食品级PP和工业PP有什么区别？ - 知乎
    这些工业pp往往成本低，有可能会被不良生产厂家用于生产食品容器。 pp材料是聚丙烯的简称，是有丙烯聚合制成的一种热塑性树脂。在我们生活中，随处可见，比如pp塑料碗，pp塑料叉勺，pp塑胶凳，密封盒，塑料袋等等的产品都属于聚丙烯树脂制成的材料。





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