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ISSN 1007-9327 CN 14-1219/R  World J Gastroenterol  2006 February 14;12(6):1000


 World Journal of Gastroenterology standard of quantities and units

Number  Nonstandard  Standard  Notice
1  4 days  4 d  In figures, tables and numerical narration
2  4 days  four days  In text narration 
3  day  d  After Arabic numerals
4  Four d  Four days  At the beginning of a sentence  
5  2 hours  2 h  After Arabic numerals 
6  2 hs  2 h  After Arabic numerals 
7  hr, hrs,  h  After Arabic numerals
8  10 seconds  10 s  After Arabic numerals
9  10 year  10 years  In text narration 
10  Ten yr  Ten years  At the beginning of a sentence
11  0,1,2 years  0,1,2 yr  In figures and tables
12  0,1,2 year  0,1,2 yr  In figures and tables
13  4 weeks  4 wk  
14  Four wk  Four weeks  At the beginning of a sentence 
15  2 months  2 mo  In figures and tables
16  Two mo  Two months  At the beginning of a sentence  
17  10 minutes  10 min   
18  Ten min  Ten minutes  At the beginning of a sentence  
19  50% (V/V)  500 mL/L  
20  50% (m/V)  500 g/L  
21  1 M  1 mol/L  
22  10 mM  10 mmol/L  
23  1N HCl  1 mol/L HCl   
24  1N H2SO4  0.5 mol/L H2SO4  
25  4rd edition  4th edition  
26  15 year experience  15- year experience  
27  18.5 kDa  18.5 ku,18 500u or Mr18 500  
28  25 g.kg-1/d-1 25 g/(kg·d) or 25 g/kg per day  
29  6900  6 900  
30  1000 rpm  1 000 r/min   
31  sec  s  After Arabic numerals
32  1 pg·L-1  1 pg/L   
33  10 kilograms  10 kg   
34  13 000 rpm  13 000 g  High speed; g should be in italic and suitable conversion.
35  1000 g  1 000 r/min  Low speed. g cannot be used. 
36  Gene bank  GenBank  International classified genetic materials collection bank
37  Ten L  Ten liters  At the beginning of a sentence
38  Ten mL  Ten milliliters  At the beginning of a sentence  
39  umol  mmol  
40  30 sec  30 s  
41  1 g/dl  10 g/L  10-fold conversion
42  OD260  A260  “OD” has been abandoned.
43  One g/L  One microgram per liter  At the beginning of a sentence  
44  A260 nm  A260 nm  A should be in italic.
  bP<0.05  aP<0.05  In Table, no note is needed if there is no significance in statistics: aP<0.05,  bP<0.01
      (no  note if P>0.05). If there is a second set of P value in the same table, cP<0.05 and
      dP<0.01 are used for a third set: eP<0.05, fP<0.01.
45  *F=9.87, §F=25.9,  1F=9.87,2F=25.9,  Notices in or under a table
  #F=67.4  3F=67.4  
46  KM  km  kilometer
47  CM  cm  centimeter
48  MM  mm  millimeter
49  Kg, KG  kg  kilogram
50  Gm, gr  g  gram
51  nt  N newton
52  l  L  liter
53  db  dB  decibel
54  rpm  r/min  rotation per minute
55  bq  Bq  becquerel, a unit symbol 
56  amp  A  ampere
57  coul  C  coulomb
58  HZ  Hz  
59  w  W  watt
60  KPa  kPa  kilo-pascal
61  p  Pa  pascal
62  ev  EV  volt (electronic unit)
63  Jonle  J  joule
64  J/mmol  kJ/mol  kilojoule per mole
65  10×10×10cm3  10 cm×10 cm×10 cm  
66  N·km  KN·m  moment
67  x±s  mean±SD  In figures, tables or text narration
68  Mean±SEM  mean±SE  In figures, tables or text narration
69  im  im  intramuscular injection
70  iv  iv  intravenous injection
71  Wang et al  Wang et al.  
72  EcoRI  EcoRI  Eco in italic and RI in positive. Restriction endonuclease has its prescript form of writing.
73  Ecoli  E.coli  Bacteria and other biologic terms have their specific expression.
74  Hp  H pylori  
75  Iga  Iga  writing form of genes
76  igA  IgA  writing form of proteins
77  -70 kDa  ~70 ku  

　

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