... 3-24 and 3-25 of IEC 60332 specifies methods of test for the assessment of vertical flame spread of verticallymounted bunched wires or cables, electrical or optical, under defined conditions NOTE ... Non-metallic volume per metre of test sample (I) Use of standard ladder, maximum width of test sample 300 mm: - number of layers: - number of burners: Positioning of test pieces Flame application ... side of the standard ladder Figure 21 Figure Touching cables mounted on the front side of the standard ladder (arrays of cables in contact) 21 Table A.l Summary of test conditions...
Ngày tải lên: 25/12/2013, 11:00
... 3-24 and 3-25 of IEC 60332 specifies methods of test for the assessment of vertical flame spread of verticallymounted bunched wires or cables, electrical or optical, under defined conditions NOTE ... the density of the component C, (kg/dm3); i is the length of the test piece of cable (m) The total volume, V, of the non-metallic materials contained in m of cable is equal to the sum of the individual ... restrictions on the selection of cables A summary of all conditions for type approval testing to this part of IEC 60332 is given in table A.l Table A.l'- Summary of test conditions I I Category and...
Ngày tải lên: 25/12/2013, 11:01
Tài liệu Báo cáo khoa học: The yeast ubiquitin ligase Rsp5 downregulates the alpha subunit of nascent polypeptide-associated complex Egd2 under stress conditions docx
... ubiquitination of denatured proteins under stress conditions [32–34] In addition, identification of ubiquitinated forms of mis-folded proteins by HECT-type ubiquitin ligase under stress conditions ... polyubiquitination of Egd2 was observed in cells of both deletion mutants at 37 °C These results show that Rsp5-mediated ubiquitination of Egd2 is independent of Egd1 and Not4 under stress conditions ... inhibition or cell death under stress conditions Hence, identification of the substrates of ubiquitin ligase represents a major challenge to understanding of the mechanism of ubiquitination and degradation...
Ngày tải lên: 18/02/2014, 11:20
Tài liệu Báo cáo khoa học: Expression of two [Fe]-hydrogenases in Chlamydomonas reinhardtii under anaerobic conditions doc
... rate of accumulation of the two transcripts under these conditions Induction for longer periods of time did not further change the levels of the two transcripts (not shown) The induced rates of ... expression of HydA1 and HydA2 transcripts was also studied under sulfur-deprivation conditions In the absence of sulfur, the rates of photosynthetic O2 evolution drop below those of O2 consumption ... prevents the turnover of the D1 protein of photosystem II (PSII), causes the partial inhibition of PSII, and leads to a reduction of photosynthetic O2 evolution The partial inhibition of PSII is sufficient...
Ngày tải lên: 20/02/2014, 11:20
Báo cáo khoa học: Response of the Pacific oyster Crassostrea gigas to hypoxia exposure under experimental conditions pot
... Expression of carbonic anhydrase in gills (B) Expression of glutathione peroxidase in mantle (C) Expression of myc homologue in gills (D) Expression of BTF3 in mantle (E) Expression of glycogen ... response to hypoxia exposure under experimental conditions of a marine mollusc, the oyster C gigas Using a SSH method, we obtained 616 different partial sequences of cDNA, encoding proteins involved ... revealed a regulation of expression of genes encoding enzymes of the respiratory chain In particular, an ATP synthase subunit appeared to be downregulated after 7–10 days of hypoxia exposure The...
Ngày tải lên: 16/03/2014, 23:20
simple and rapid synthesis of a-fe2o3 nanowires under ambient conditions
... positions of these peaks as well as the shape of the Fe 2p spectrum agree well with those for the Fe3+ state reported in Ref [25] The presence of two states of SEM images of the surface of the iron ... Supplementary Material (ESM) In spite of intensive research into one-dimensional structures of metal oxides in particular and NWs in general, our understanding of the mechanisms of their formation and growth ... resistive heating of iron wire (99.99% and 99.5%, Goodfellow) with a diameter of 0.25 mm under ambient laboratory conditions The growth was carried out by applying a potential difference of 2.7 7.8...
Ngày tải lên: 20/03/2014, 13:07
Báo cáo khoa học: The complex of the insect LDL receptor homolog, lipophorin receptor, LpR, and its lipoprotein ligand does not dissociate under endosomal conditions pot
... hinge region of LDLR The presence of two Gly residues in LpR at the corresponding positions of His264 and Ser265 of LDLR (Table 1) might decrease the rigidity of the hinge region of LpR(1–342)LDLR(293–839), ... domain of which is composed of the six most N-terminal LA repeats of LDLR and LA-8 of LpR, the number of cells that bound ligand was only 58.7 ± 4.2% of the number of cells that bound antibody ... the presence of Ca2+ in LA repeats of LpR Therefore, the resistance of the LpR–HDLp complex may be caused by a higher affinity of the LA repeats of LpR for Ca2+, or by the ability of HDLp to shield...
Ngày tải lên: 23/03/2014, 07:20
Báo cáo khoa học: Mechanism of the ring contraction process in vitamin B12 biosynthesis by the anaerobe Propionibacterium shermanii under aerobic conditions docx
... migration of ring D followed by cleavage of the carbon–oxygen bond of the c-lactone at C1 of 13C,18O-precorrin3x [8–10] as shown in the lower row of Fig We were interested in the mechanism of corrin ... 18O Comparison of the signal intensity or half-width of the 13C-enriched signal of the 13CO-carbonyl carbon with that of the 13C18O-carbonyl carbon of each 13 18 C O-amide group of 13C,18O-vitamin ... Ring contraction mechanism of vitamin B12 Fig The mechanisms of the ring contraction process in the biosynthesis of vitamin B12 postulated on the basis of the isolation of factor IV from the anaerobe...
Ngày tải lên: 23/03/2014, 09:20
assessment of the stress and strain levels at geometrical discontinuities under elastoplastic conditions a case study
... while Glinka’s model underestimates the strain levels under plane strain conditions Al alloy 7050 T7451 and Man-Ten steel were used to study the effects of the behaviour of the stress/strain ... tetrahedral elements with 10 nodes and degree of freedom by node were used The symmetry of the geometry under analysis allowed to consider one-eight of the specimen, restricting the nodal dislocations ... shown in Fig (2), was used The model was loaded from zero to the yield stress in steps of 50 MPa and observed the levels of stress and strain in the root of the notch as well as the correspondent...
Ngày tải lên: 24/05/2014, 20:32
Báo cáo lâm nghiệp: "Phenological investigations of different winter-deciduous species growing under Mediterranean conditions" pot
... for the last weeks of the year, probably related to the increase of rain 562 F Orlandi et al a s Figure Graphs of the mean dates calculated over 9-year period of the beginning of each phenophase ... contemporary advance of vegetative phases and the particular growth of the minimum temperature amounts suggest the presence of a “warming” phenomenon from the end of May to the end of October including ... analyses The average of the starting date of every phenophase was calculated considering the three phenoids of all the study species These averages provide a mean model of development in relationship...
Ngày tải lên: 07/08/2014, 16:21
Báo cáo khoa học: " Variation in the molecular weight of Photobacterium damselae subsp. piscicida antigens when cultured under different conditions in vitro" pot
... ,ylevitcepser ,h 63 rof −RI + MRG ro −RI + BST ni ro h 81 rof MRG ro BST rehtie ni derutluc erew airetcab ehT muidem erutluc nesohc eht ni 01 ot detulid neht erew dna ,h 81 rof C 22 ta BST ni derutluc ... skeew nekat selpmas rof era airetcab dellik htiw dezinummi hsif morf ares dna )SBP htiw detcejni( ares lortnoc rof stluser elihw ,noitcejni-tsop skeew detcelloc selpmas rof era airetcab evil ... detcejni hsif taht dnuof srotagitsevni esehT ]5[ soluopokaB yb demrofrep yduts eht ni noitazinummi retfa noos yrev dednopser osla ssab aes ehT ASILE yb derusaem nehw shtnom rof dna ,noitanitulgga...
Ngày tải lên: 07/08/2014, 23:22
Báo cáo lâm nghiệp:"Optimisation of inoculation of Leucaena leucocephala and Acacia mangium with rhizobium under greenhouse conditions" docx
... help of many leguminous species did not take into account the effect of the method of inoculation, the size of the inoculum, the period of inoculation or the effects of the physiological stage of ... Effect of the size of the inoculum on nodulation and the production of biomass by seedlings of L leucocephala The level of infection of the strains was variable and depended on the size of the ... nitrogen in shoots 2.4.3 The effect of the type of inoculation The effect of the type of inoculation on nodulation and biomass production was studied under greenhouse conditions and focussed on seedlings...
Ngày tải lên: 08/08/2014, 01:21
Báo cáo lâm nghiệp: "Argan (Argania spinosa (L.) Skeels) seed germination under nursery conditions: Effect of cold storage, gibberellic acid and mother-tree genotype" docx
... Bani-Aameur Table I Analyses of variance of emerged seedling number (ES), time to germination (TG), germination period (GP), pre-emergence dumpedoff seedling number (GC), number of deteriorated seeds ... possible synergetic effect of GA and cold in the case of argan seed germination From the results of this study, dormancy can be broken using GA or cold storage, but the presence of GA appears to speed ... germination and the end of germination (GP), (iv) dormant seeds i.e seeds that did not deteriorate but did not germinate (DS), (v) pre-emergence dumped-off seedling number i.e the number of contaminated...
Ngày tải lên: 08/08/2014, 01:22
Báo cáo lâm nghiệp: "Environmental control of CO assimilation rates 2 and stomatal conductance in five oak species growing under field conditions in Greece" ppsx
... The knowledge of how environmental conditions influence gas exchange may improve the understanding of oak species habitat within the Mediterranean forest complex There is a lack of knowledge about ... Epron D, Dreyer E (1993) Photosynthesis of oak leaves under water stress: maintenance of high photochemical efficiency of photosystem II and occurrence of non-uniform CO assimilation Tree Physiol ... Saugier, 1991).The potential rates of net CO assimilation of oak leaves were probably much higher than those reported here Such values may not be reached under all conditions High photosynthetic...
Ngày tải lên: 08/08/2014, 18:21
Báo cáo lâm nghiệp: " Growth and mineral content of young chestnut trees under controlled conditions of nutrition" ppsx
... consisted of a single supply of quick-lime /kg 2+ Ca of soil, corresponding to -1 kg.ha (94.0% CaO) for forest fertiliza- (2 cmolc of 000 tion); B consisted of a single supply of Ca + Mg (2 cmolc of ... time of planting The others were distributed between five different fertilizer treatment groups (20 trees each) Fertilizer supplies The young plants were grown under five different sets of conditions, ... supply of Ca + Mg (2 cmolc of Ca and 0.5 cmolc of Mg per kg of 2+ 2+ soil, corresponding to 2000 kg.ha (42.0% CaO -1 + 10.0% MgO)); C consisted of B conditions + macroelements (ammonium nitrate,...
Ngày tải lên: 08/08/2014, 18:22
Báo cáo khoa học: "Gas exchange and water relations of 3 sizes of containerized Picea mariana seedlings subjected to atmospheric and edaphic water stress under controlled conditions" pps
... seedlings showed the largest rates of net photosynthesis by unit needle dry weight under conditions of limited stress (E20, low PEG), but the lowest rates under stressful conditions (E30, high PEG) (fig ... pattern of response between shoot conductance and net photosynthesis appears to be evidence of g controlling the rate of P by limiting n sW the supply of CO However, the computa tion of internal ... times, with new sets of 40 seedlings per size placed every second week in the pretreatment chamber Assignment of E20 or E30 to either of the chambers was done at random for each of the replicates...
Ngày tải lên: 08/08/2014, 19:21
Báo cáo lâm nghiệp: "Variation of hydraulic conductance of under natural conditions some adult conifers" ppsx
... dense stand conditions, where tree water potential shows a large varia- bility Estimation L of hydraulic conductance gL In order to compare trees of different species, age and stand conditions, ... slopes of these relationship represent the inverse of gL, e.g., hydraulic resistance from the soil-root interface to the twig xylem 1) was calculated for the species under different water stress conditions, ... hydraulic conductivity of sapwood gL by a factor Measurements of water potential at an intermediate level, especially at the lower part of the living crown, may be made on twigs of branches enclosed...
Ngày tải lên: 09/08/2014, 04:20
Báo cáo khoa học: "Survival of Clostridium perfringens During Simulated Transport and Stability of Some Plasmid-borne Toxin Genes under Aerobic Conditions" pptx
... survival of C perfringens CCUG 2035 stored under different conditions is shown in Table Survival was similar under all the different conditions applied during the simulated transports Chilling of the ... 50 nM of each deoxynucleotide, U of AmpliTaq Gold DNA polymerase (Applied Biosystems, Foster City, CA, USA), 50 nM of each CPA (α-toxin) primer, 25 nM of each CPB (ß1-toxin) primer, 100 nM of each ... stable under normal laboratory conditions and under conditions normally used during transportation Therefore, C perfringens toxinotyping by PCR can be performed reliably, as the risk of plasmid...
Ngày tải lên: 12/08/2014, 15:21
Báo cáo khoa học: "Metabolic and endocrine profiles and reproductive parameters in dairy cows under grazing conditions: effect of polymorphisms in somatotropic axis genes" doc
... pasture and received 11 kg DM/cow/day of a diet composed of kg DM of sorghum silage, kg DM of sorghum grain, kg DM of sunflower meal (36% crude protein) and 100 g of urea After calving, cows received ... was Page of 10 Table F-tests of fixed effects included in the model for productive/reproductive parameters and metabolic/ endocrine variables and BCS of Holstein cows under grazing conditions ... and metabolic profiles of the transition dairy cow under grazing conditions Acknowledgements and funding The present study received financial support from the National Institute of Agricultural...
Ngày tải lên: 12/08/2014, 18:22
Báo cáo y học: " Validation of an ambulatory cough detection and counting application using voluntary cough under different conditions" potx
... suffer from a multitude of pathologies of airways and are often inflicted with debilitating chronic cough Treatment of cough in these patients consists of many types of expectorants, cough suppressors, ... of an on-going pathological process [7,8] In particular, the situation where irritation of the cough receptors in the tracheal wall by the shear forces of one cough stimulate the generation of ... calculated, with 95% limits of agreement We also calculated and correlated the number of "cough seconds" [13] - The number of seconds per minute which contained any number of cough components - detected...
Ngày tải lên: 13/08/2014, 10:20