Báo cáo khoa học: "Influence of shade on photosynthetic gas exchange of 7 tropical rain-forest species from Guadeloupe (French West Indies)" docx

... its saturation plateau corresponds to the light conditions most commonly found by the plant in its natural environment (Tsel’Niker, 1 977 ). Under these conditions, shade phenotypes ... other tropical rain-forest species. They are dis- cussed in terms of photosynthetic and morphological plasticity, shade adaptation, and of the species place in...

Ngày tải lên: 08/08/2014, 19:21

... following the relationship DG obs = DG(H 2 O) ) m[urea] where m is a constant reflecting the gradient of a plot of DG as a function of denaturant concentration [63]. For each concentration of urea the ... from a diffuse nucleus [ 37] , a mechanism not uncommon among globular proteins which show the formation of intermediates on their folding pathways [38,39]. In addition, the non...

Ngày tải lên: 18/02/2014, 17:20

... Radiation. Genetic and somatic effects of ionizing radiation. pp. 263-366, United Nations, New York, 1986. 37. UNSCEAR. Sources and effects of ionizing radiation. United Nation, New York, 1 977 . 38. ... malformation Fetuses examined Dilatation of cerebral ventricle Stenosis of nasal cavity Cleft palate Levorotation of heart Abnormal lobation of lung Dilatation of renal pelvis...

Ngày tải lên: 07/08/2014, 15:20

... control experiment was carried out that measured the effect of a range of AMS concentrations on the mito- chondrial matrix GSH pool. Incubation of heart or liver mitochondria with concentrations ... < 1% of exposed mitochondrial thiols are modified by S-nitro- sation [ 27] . We suggest that the high concentration of exposed thiols within mitochondria plays a role in pro- tection...

Ngày tải lên: 06/03/2014, 09:22

... the species depending on light con- ditions. The interpretation of these differ- ences in terms of light behaviour could improve knowledge on the ability of differ- ent species ... the middle successional stages of species during col- onization of open areas by forest. On the other hand, D excelsa, a final species in the succession, w...

Ngày tải lên: 08/08/2014, 23:22

... and transpiration, Ann. Sci. For. 55 (1998) 47- 61. [ 17] Falge E.M., Graber W., Siegwolf R., Tenhunen J.D., A model of the gas exchange response of Picea abies to habitat conditions, Trees 10 (1996) 277 -2 87. [18] ... abies 2 37 4. DISCUSSION AND CONCLUSIONS Gas exchange rates of the six Norway spruce canopies were described with the three dimensional gas exchange model...

Ngày tải lên: 08/08/2014, 14:22

... implants 74 74 76 82 86 74 No. of embryonic death 3 1 6 15 a 53 No. of fetal death 2 0 1 2 1 0 No. of resorption 0 48 d 10 b 20 d 00 Prenatal mortality No. (%) 5(6 .76 ) 49(66.22) d 17( 22. 37) a 37( 45.12) d 6(6.98) ... Protective effect of selenium against ionizing radiation-induced malfor- mations in mice. Acta Radiol. Oncol. 1985, 24, 2 67- 271 . 5. Committee on the biol...

Ngày tải lên: 07/08/2014, 14:23

... 1992, 76 (6), 979 ~984. 8. Jones, R.S. and Snowdon, S.L. Experimental inve- stigation of the cardiovascular and respiratory effects of increasing concentrations of isoflurane in the dog. Res. Vet. ... K. Non- invasive diagnosis of ischemic brain damage after cardiopulmonary resuscitation in dogs by using transcranial Doppler ultrasonography. Vet. Radiol. Ultrasound. 2000, 41(2), 172...

Ngày tải lên: 07/08/2014, 15:20

Ngày tải lên: 07/08/2014, 18:21

Ngày tải lên: 07/08/2014, 18:21