practical course spanish grammar for beginners (russian)
the new penguin russian course a complete course for beginners
Ngày tải lên: 17/04/2014, 14:50
colloquial arabic (levantine) the complete course for beginners
... transformation; integration. (See the author’s Course in Colloquial Arabic, Beirut, 1974, pp. 12–14) Of these, transformation is particularly valuable for Arabic; a given sentence can be changed for ... in the form of conjugated verbs in Arabic (see Lesson two for to have). In fact there is no need normally to say is/are. 2 The negative is formed by using one word (mush) systematicall...
Ngày tải lên: 03/04/2014, 12:52
Ocean Modelling for Beginners
... in fluids 3.7 Forces 27 3.7 Forces 3.7.1 What Forces Do A non-zero force operates to change the speed and/or the direction of motion of a flui parcel. In geophysical flui dynamics, forces are conventionally ... W n |. 3.11 The Pressure-Gradient Force 3.11.1 The Hydrostatic Balance For a flui at rest, the downward acting gravity force is balanced by an upward acting pressure-gradient force....
Ngày tải lên: 23/09/2012, 14:49