【单选题】现有技术,是指( )以前在国内外为公众所知的技术。
【单选题】专利法所称现有技术,是指( )以前在国内外为公众所知的技术。
【单选题】一般水分活度低于0.5后,微生物不生长,生化反应不发生。( )
【判断题】一般水分活度低于0.5后,微生物不生长,化学反应不发生,
【判断题】现有技术是指公开日以前在国内外为公众所知的技术。
【单选题】If you know how many carbohydrates, fats and proteins are in any given food, you know
A.
how much energy that food contains
B.
the compilation of these three building blocks
C.
how the energy is acquired
D.
where does the food come from
【判断题】一般水分活度低于0.5后,微生物不生长,生化反应不发生。()
【单选题】Many proteins fall into one of 2 general classes of proteins based on tertiary structure: ___________.
【判断题】一般水分活度低于0.5后,微生物不生长,生化反应不发生。
【单选题】How many proteins in Core histones