Báo cáo khoa học: " Environmental and endogenous controls on leaf- and stand-level water conductance in a Scots pine plantation Neils Sturm Barbara Köstner Wolfram a John D " pot

... percent and had a limited effect on conductance. Pooled data from 1993 and 1994 reveal a strong limitation on maximum daily stom- atal conductance as soon as soil water decreases ... annual changes in conductance of a Mediter- ranean oak species subjected to a large range in radiation, temperature and soil water availability. Despit...

Ngày tải lên: 09/08/2014, 04:20

... depending on gap size. Besides solar radiation, all other microclimatic variables (air and soil temperature, rainfall, air humidity and wind) are immediately modified by canopy release and gap ... developed by Granier et al. [11]. The input data required by the model are: • Climatic data: daily potential evapotranspiration and daily rainfall. These data were collected at the INRA we...

Ngày tải lên: 08/08/2014, 14:21

... graphs and tables. Main effects and interactions were tested against appropriate error terms, for perturbation (excised vs undisturbed), infection (inoculated vs control plants), and day of measurement ... F, fluorescence intensity at any point; F o , F' o minimum flu- orescence yield in dark-adapted and light-adapted state; F m , F' m maximum fluorescence yield in dark...

Ngày tải lên: 08/08/2014, 14:21

... 1991). creased shoot growth. Higher concentra- tions gave no increase in gravel; in peat:sand, further increase of growth was only small. Hamilton and Johnson (1978) demonstrated ... the pH was 7.2 in peat:sand, and 6.4 in gravel. With increasing levels of Osmocote, the pH decreased to 6.5 in peat:sand and to 5.5 in gravel. The same aci...

Ngày tải lên: 08/08/2014, 19:21

... and 0.5 μmol m -2 s -1 after 43 days of drought. Rewatering induced a rapid recovery of stomatal con- ductance and CO 2 assimilation. In watered treatments, gw and ... Kaushal P., Aussenac G., Drought precondi- tioning of Corsican Pine and Cedar of Atlas seedlings, photosynthesis, transpiration and root regeneration after transplantin...

Ngày tải lên: 09/08/2014, 04:20

... s-TATI, age, and the concentrations of s-creatinine and carcinoembryonic antigen (s-CEA) in preoperatively drawn serum samples. Methods Patients Thestudywasdesignedasacase-controlstudyand consisted ... and that the stro mal compartment acquires an abundance of fibroblasts, granulocytes and lymphocytes [5]. Ionising radiation induces a widespread oxidative d amage at the cellular...

Ngày tải lên: 09/08/2014, 09:21

... system ATLAS/II (Uchida & Sugiyama, 1980). ~ne feasibility of the approach of using a semantic representation as an interlingua in a practical application will be investigated and demonstrated ... cognitive process, Addison-Wesley, 1983 McDonald, D. D.: Natural language generation as a computational problem: An Introduction; in: Brady & Berwick (Eds.) Computational m...

Ngày tải lên: 08/03/2014, 18:20

... vein and was partially occluded at its origin. Key words: anomaly, aortic arch, costocervical vein, german shepherd dog Introduction Anomalous branching patterns of the aortic arch and termination ... and abnormal termination of the left costocervical vein, are described. Materials and Methods A 7-years old female German shepherd dog in good health was presented for euthanasia. F...

Ngày tải lên: 07/08/2014, 17:22

... conceived and designed the study. KMF completed the ethics application, provided academic input and coordination of the study and manuscripts. JJF carried out the data collection and analysis and later drafted ... of each breast, a mediolateral oblique and a cranio-caudal view. Films are doubl e read by two radiologists operating independently and if an abnormality is detect...

Ngày tải lên: 09/08/2014, 03:22

... AA participated in designing the study and analyzed data. KEL participated in the study design and manuscript writing. HJG per- formed and analyzed histology. PEH designed the study, analyzed ... Bcr/Abl, c-Kit, and PDGFR-α and -β [26,27]. In irradiated animals, imatinib treatment was either started three days after radiation or two weeks after radiation and was continued un...

Ngày tải lên: 09/08/2014, 10:20