The assessment of sample size in clinical trials comparing population means requires a variance estimate of the main efficacy variable. When this variance estimate has a low precision, it may be appropriate to use the data from the first patients entered in the trial ('internal pilot study') to esti
β¦ LIBER β¦
Development and specification of a method for determining the grain-size composition of unshaped refractory materials
β Scribed by V. G. Subbotina; L. I. Koshkina; M. I. Diesperova; A. F. Maurin
- Publisher
- Springer US
- Year
- 1989
- Tongue
- English
- Weight
- 277 KB
- Volume
- 30
- Category
- Article
- ISSN
- 1573-9139
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
A METHOD FOR DETERMINING THE SIZE OF INT
β
LEIV SANDVIK; JAN ERIKSSEN; PETTER MOWINCKEL; EINAR ANDREAS RΓDLAND
π
Article
π
1996
π
John Wiley and Sons
π
English
β 266 KB
π 3 views
A rapid method for the determination of
A rapid method for the determination of the specific surface and mean particle size of black powders
β
Frith, F. ;Mott, R. A.
π
Article
π
1946
π
Wiley (John Wiley & Sons)
β 814 KB
mixed acids from the origiunl oil (77 g.) \rere dissolved in light petroleum nt 0" (wlieu 10.0 g. of resin scpsrnted) i t i d subsequeutly stcam-distilled (yielding 0.95 g. volatile mnterisl, cquir. 156 -1) prior to conversiou into nictliyl esters. Tliese were fairly rendily hydrogennted r r t 100"
A rapid method for determining the moist
β
T. G. Zazanashvili
π
Article
π
1960
π
Springer US
π
English
β 122 KB
New method for the determination of the
β
I. A. Popov; I. E. Tsyngauz
π
Article
π
1969
π
Springer US
π
English
β 165 KB
Determining the savings obtained by appl
β
A. S. Zaporozhets; V. I. Koryakov; M. V. Eksina; G. V. Parkhomenko
π
Article
π
1980
π
Springer US
π
English
β 121 KB
A sedimentation method for the determina
π
Article
π
1933
π
Elsevier Science
π
English
β 54 KB