![]() Glitsch, Inc., Ballast Tray Design Manual Bulletin No. 4900-Fourth edition, Dallas, TX, February 1984, pp 13 and 33 4. Flexitray Valve Tray. Tray design manual If this is your first visit, be sure to check out the FAQ by clicking the link above. [Glitsch] - Ballast Tray - Bullettin 4900. By this design manual. Described fully in Glitsch Bulletin No. FIGURE 12 V-I BALLAST TRAY Overall Tray Efficiency vs. 3.31 参考文献 Glitsch,Inc,Ballast Tray Design Manual,Bulletin No.4900,3rd Ed. 188 HCIENCE VOL. 2278 A NEW LOCALITY FOR THE VENUS' FLY- TRAP (DIONAEA MUSCIPULA) MR. JoHN Born, Of Southern Pines, N. C., has been so kind as to send me a number of leaves of the Venus' fly-trap (Dionaea rnuscipula) from a locality in the southeastern corner of Moore County, central North Carolina, a station some distance from any previously recorded' writes that the range in from pink and green' The fringes about the edgeare pink Or green. The plants are found growing in open beds, apparently having crowded out all other vegetation. According to Dr. Coker,l this plant has a range more extensive than is generally assumed. He gives stations in Wayne, Lenoir, Jones, Duplin, Ons- low, Moore, Pender, Columbus, New Hanover and Brunswick Counties, North Carolina, and in north and southeast Horry County and eastern Georgetown County, South Caro- lina. I n other words, it ranges from New Bern, North Carolina, to Murrell's Inlet, South Carolina, and west- ward to Wayne County and two localities in Moore County, North Carolina. It is, however, very local, and the stations a t which it are widely separated. NATIONALMUSEUM SCIENTIFIC BOOKS TRAY AGRICULTURE Soilless Growth of Plants: Use of Nutrient Solutiolzs, Water, Sand, Cinder, etc. By CARLETON ELLIS and MILLERW. SWANEY.155 pp., with 59 figures, in- eluding 3 color photographs. Reinhold Publishing Corporation, N. Price, $2.75. THE National Resources Committee, appointed by President Roosevelt, in reporting last year on the im- pact of science and invention upon our social and economic life, picked ('tray agriculture' as one of the new developments fraught with great future poten- tialities. This book is welcome because it gives a practical summary of the authors' experience in this promising field, as well as some information selected from the rather scanty literature and experimental bulletins. I t has long been known that some plants, e.g., bulbs which contain their own nutriment, can grow without soil. The well-known hyacinth vases did not enter Omar'~ mind when he wrote that 'yacinth the garden wears dropped in her lap from some once lovely head'; but hyacinths, '(Chinese lilies' and other plants have been raised in water or on wet pebbles by the mid-Victorian housewife' adding to the water small percentages of potassium, calcium, magnesium, phosphate and nitrate and very minute amounts of the so-called 'trace elements,' boron, man- ganese and zinc, we have what the authors term 'nutri- ent solutions,' for which a number of detailed formulae -are given. By substituting for the flower vases shal- low tanks, troughs or trays which may, if one prefers, be filled with sand, pebbles, cinders, etc', and arrang-ing suitable apparatus for continuous or intermittent circulation and aeration of ((nutrient we have, according to sic, a household or an industrial for raising plants without soil-by aqua-1 Jour. Elisha Mitchell Sci. 3 and 4, July, 1928, pp. 221-228, map, pl. Culture, water-culture, tray agriculture, tank farming or (as suggested by w.F. Kadhal 2004 tamil full movie download.
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