engineer apos s powers under ice conditions
DMF Decomposition and Nitrogen Removal Performance by a Mesh-Filtration Bioreactor under Acidic Conditions
Ngày tải lên :
05/09/2013, 09:38
... of positive cells per a view area was counted, and 11 view areas were measured Results and discussion 3.1 Filtration performance The concentration of mixed liquor suspended solids (MLSS) was initially ... concentration of biomass Profiles of MLSS, mixed liquor volatile suspended solids (MLVSS), filtration time, effluent SS, and pH are shown in Fig When the loading rate was low (Phase 1), filtration ... effluent SS also remained very low (about mg·L-1) These results indicate that the cake layer that formed on the mesh surface could effectively block sludge particles pH Phase-2 12 MLSS MLVSS 75 50...
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iec 60332-1 tests on electric cables under fire conditions - test on a single vertical insulated
Ngày tải lên :
25/12/2013, 10:59
... essais sont effectu s Si les rộsultats de ces deux essais sont satisfaisants, le fil ou cõble est considộrộ comme ayant satisfait lessai COPYRIGHT International Electrotechnical Commission Licensed ... concerne les questions techniques, prộpar s par les comit s d'ộtudes oự sont reprộsent s tous les Comit s nationaux s' intộressant ces questions, expriment dans la plus grande mesure possible un accord ... distance mesurộe depuis le bord infộrieur du support supộrieur plus grande que 540 mm, lessai est considộrộ comme non satisfaisant Si un essai est enregistrộ comme non satisfaisant, deux autres...
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iec 60332-2 tests on electric cables under fire conditions - test on a single small vertical insu
Ngày tải lên :
25/12/2013, 10:59
... les limites dimensionnelles des âmes circulaires 229 (1982) Essais sur les gaines extérieures des câbles, qui ont une fonction spéciale de protection et sont appliquées par extrusion Essais de ... massifs extrud s pour des tensions assignées de kV 30 kV Modification no (1984) Méthodes d’essais pour les enveloppes isolantes et les 540 (1982) gaines de câbles électriques rigides et souples (mélanges ... mélanges PVC Section un - Essais de pression température élevée - Essais de résistance la fissuration 811-3-2 (1985) Section deux - Essais de perte de masse - Essais de stabilité thermique 81 1-4-1...
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iec 60332-3-24 tests on electric cables under fire conditions - test for vertical flame spread of
Ngày tải lên :
25/12/2013, 11:00
... international sur les sujets étudi s, étant donné que les Comit s nationaux intéress s sont représent s dans chaque comité d’études 3) Les documents produits se présentent sous la forme de recommandations ... câbles sont dispos s en nappes pour former différentes installations des échantillons Pour être d'un usage plus facile et pour différencier les différentes catégories d'essais, les parties sont ... pour l'essai Dans toutes les catégories, les câbles dont au moins un conducteur est de section supérieure 35 mm2 sont essay s dans une configuration espacée, tandis que les câbles dont les conducteurs...
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iec 60332-3-25 tests on electric cables under fire conditions - test for vertical flame spread of
Ngày tải lên :
25/12/2013, 11:01
... contre-essai En cas de contestation, deux essais supplémentaires tels que spécifi s l'article doivent être effectu s L'essai doit être considéré comme satisfaisant si les deux essais satisfont ... international sur les sujets étudi s, étant donné que les Comit s nationaux intéress s sont représent s dans chaque comité d'études 3) Les documents produits se présentent sous la forme de recommandations ... pour l'essai Dans toutes les catégories, les câbles dont au moins un conducteur est de section supérieure 35 mm2 sont essay s dans, une configuration espacée, tandis que tes câbles dont les conducteurs...
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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
Ngày tải lên :
18/02/2014, 11:20
... and yeast cells could acquire stress resistance In contrast, the Egd2 proteins in the rsp5 mutant strain might accumulate under stress conditions, and yeast cells would show stress sensitivity ... abnormal proteins generated under stress conditions [7] In the present study, we identified Egd2 (aNAC) as one of the protein substrates for Rsp5 under stress conditions The Egd2 protein was co-purified ... detailed mechanisms underlying these pathways are poorly understood Previously, we isolated a yeast (Saccharomyces cerevisiae) mutant that is hypersensitive to various stresses, including toxic...
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![Tài liệu Báo cáo khoa học: Expression of two [Fe]-hydrogenases in Chlamydomonas reinhardtii under anaerobic conditions doc](https://media.store123doc.com/images/document/14/br/hw/medium_hwm1392870031.jpg)
Tài liệu Báo cáo khoa học: Expression of two [Fe]-hydrogenases in Chlamydomonas reinhardtii under anaerobic conditions doc
Ngày tải lên :
20/02/2014, 11:20
... transcripts was studied by Northern blot analysis In Fig 2, we used specific probes for the HydA1 (d) or HydA2 (s) transcripts, whose transcription was induced by a shift to anaerobic conditions ... probes (Southern not shown) A single PstI site is present within the HydA1 genomic sequence where the probe hybridizes The same PstI restriction site, however, is absent from the HydA2 sequence ... 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...
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Báo cáo khoa học: Response of the Pacific oyster Crassostrea gigas to hypoxia exposure under experimental conditions pot
Ngày tải lên :
16/03/2014, 23:20
... )cc )0 ns ns )c ns ns +c ns +c,0 +0 +c +0 ns ns ns ns +c,0 +c,0 ns ns ns ns ns +c )c )c ns ns c ns ns ns ns ns ns ns )c ns ns ns ns +c ns )c,0 ns ns ns )c +c,0 +c ns +c +c +c ns ns ns ns ns )c )c ... 3B) Discussion Despite the increase of hypoxia events in coastal ecosystems, only few studies have focused on gene expression patterns of marine organisms subjected to this particular stress In ... Digestive gland ns 10 14 17 21 24 ns ns +c,0 +c,0 +c +c,0 +c +c ns c +0 )c +0 ns +c,0 ns +c,0 +c,0 +c +c ns ns ns ns +c +c +c ns +c ns +c +c +c +c +c +0 ns ns ns ns ns +c ns ns ns )c,0 ns )cc...
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simple and rapid synthesis of a-fe2o3 nanowires under ambient conditions
Ngày tải lên :
20/03/2014, 13:07
... atmosphere, since the synthesis can be carried out using a basic DC power supply (such as a car battery or a set of household batteries) under ambient conditions; the process of NW formation is ... Spectra from the core of the iron wire under the oxide layers, which were peeled off, did not show any Raman signal, which suggests that the core consists of a pure iron phase These results show ... generated by dislocation slips Substantial stresses are expected to be accumulated on the interface due to structural and density differences [17] In the stress driven mechanism, it is believed that the...
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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
Ngày tải lên :
23/03/2014, 07:20
... resulted in a decrease of the number of cells in R1 As this reduction in sample size introduced a bias into the analysis, the number of cells in the analysis was restored by using random measurements ... basic residues of the ligand, in particular one protruding Lys [49] A consensus sequence containing the protruding Lys was proposed, in which the Lys is surrounded by basic and hydrophobic residues ... against the forward scatter On the basis of samples of untransfected cells, for each series of experiments R1 was defined to exclude cells whose fluorescence did not exceed that of untransfected...
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Báo cáo khoa học: Mechanism of the ring contraction process in vitamin B12 biosynthesis by the anaerobe Propionibacterium shermanii under aerobic conditions docx
Ngày tải lên :
23/03/2014, 09:20
... process in the biosynthesis of vitamin B12 by P shermanii Two mechanisms of the ring contraction process in the anaerobe P shermanii have been suggested [5–7] One was based on the results of ... acquisition time was 1.504 s, the pulse delay time was 0.496 s, and the number of scans was approximately 15 000 The assignments of 13 C-NMR signals of vitamin B12 were carried out on the basis of reported ... Acad Sci USA 93, 14320–14322 Scott AI, Roessner CA, Stolowich NJ, Spencer JB, Min C & Ozaki S (1993) Biosynthesis of vitamin B12: discovery of the enzymes for oxidative ring contraction and insertion...
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assessment of the stress and strain levels at geometrical discontinuities under elastoplastic conditions a case study
Ngày tải lên :
24/05/2014, 20:32
... dimensional approach is valid for components whose thickness not exceed 1.5 times the hole radius, Thus, it is possible to use two dimensional finite element models associated to plane stress state ... these graphs show, for both materials, the strains under plane stress state are higher than under plane strain The plane stress state also give strain levels higher than what is obtained using the ... stress and strain, being known the nominal stress and theoretical stress concentration factor It has been showed the energy density method can be used for plane stress and plane strain states...
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the internet under crisis conditions learning from september 11
Ngày tải lên :
06/07/2014, 15:31
... were ISPs affected by the events of September 11? How serious were the impacts? What actions did ISPs (and others) take in response? This chapter sets out to answer those questions, as best they ... geographically separate) systems such as local phone lines, modem banks, authentication servers, and DNS servers In addition, some wireless applications (handheld devices at hospitals, for example) ... wireless devices will lose access even to internal databases Surmounting interdependencies such as these is important, because they can lead to surprising failure modes, and it is difficult—because...
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the internet under crisis conditions learning from september 11
Ngày tải lên :
06/07/2014, 15:35
... were ISPs affected by the events of September 11? How serious were the impacts? What actions did ISPs (and others) take in response? This chapter sets out to answer those questions, as best they ... geographically separate) systems such as local phone lines, modem banks, authentication servers, and DNS servers In addition, some wireless applications (handheld devices at hospitals, for example) ... wireless devices will lose access even to internal databases Surmounting interdependencies such as these is important, because they can lead to surprising failure modes, and it is difficult—because...
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Báo cáo lâm nghiệp: "an Phytophthora quercina have a negative impact on mature pedunculate oaks under field conditions" pptx
Ngày tải lên :
07/08/2014, 16:20
... cause root infection in oak seedlings, in artificial soil mixtures as well as in acid forest soils, with subsequent necrosis and die-back of the root systems [21, 22] A weak association was also ... oak stands, a split-plot design was used Each of the five infested stands was thus paired with a non-infested stand with similar stand characteristics The pairing of stands was primarily based ... trees, Pq– = stands where P quercina is absent, Pq+ = stands where P quercina is present There were no significant differences between sampling occasions (repeated measures ANOVA) stands on some sampling...
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Báo cáo lâm nghiệp: "Phenological investigations of different winter-deciduous species growing under Mediterranean conditions" pot
Ngày tải lên :
07/08/2014, 16:21
... were very unstable in all the deciduous species These results suggest that once dormancy breaks in all the species (quite heterogeneous), the successive developmental phases are less variable ... phenological phases, multiple regression analyses were realized for every species studied considering the historical series since 1997 to 2005 In Table II, the regression results are reported with ... variables and phenological phases Scores for the variables ( ) and cases (∆) are graphed together, the symmetric scaling was used in the CA while the sample scores were scaled to the standard...
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Báo cáo khoa học: " Variation in the molecular weight of Photobacterium damselae subsp. piscicida antigens when cultured under different conditions in vitro" pot
Ngày tải lên :
07/08/2014, 23:22
... lonummI hsifllehS hsiF sisolleruetsaP hsif fo tnega evitasuac eht ,adicicsip psbus alesmad muiretcabotohP ot L ,xarbal suhcrartneciD ,ssab aes dna esuom ,tibbar fo esnopser enummi eht ni secnereffid ... ares ssab aes ,revewoH ti neercs ot desu snegitna eht no gnidneped sreffid psbus tsniaga ssab aes fo esnopser ydobitna ehT seiduts rehto dna siht ni desu aidem suoirav eht ni gnirutluc dna AST no ... ssab aes ehT ASILE dna noitanitulgga htob yb sesnopser ydobitna rieht denimaxe dna psbus detavitcani -nilamrof htiw ssab aes dezinummi ]42[ inilozzaM psbus fo snoitaraperp suoirav tsniaga hsif...
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Báo cáo lâm nghiệp:"Optimisation of inoculation of Leucaena leucocephala and Acacia mangium with rhizobium under greenhouse conditions" docx
Ngày tải lên :
08/08/2014, 01:21
... biomass production was studied under greenhouse conditions and focussed on seedlings cultivated in a mixture composed of polystyrene beads and soil from Sangalkam (North West Senegal) Characteristics ... arbres avec leurs symbioses racinaires : Synthèse d’une s lection d’essais au champ en zone tropicale, Bois et Forêts des Tropiques, 223 (1990) 24–42 [4] Dagnélie P., Théories et méthodes statistiques ... in biomass was similar for both phases However, for the two species no significant difference was noted as far as the biomass of the shoots and root are concerned The high variability noticed with...
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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
Ngày tải lên :
08/08/2014, 01:22
... replication are crossed factors [17] The LSD test (α = 5%) of equality of means was used to compare significant factors means [20] Statistix software was used for computation RESULTS 3.1 Cold storage and ... 0.40 ns 18.90 ** 22.5 ns Mother-tree x CS 27 0.68 ns 6.18 ns 15.45 ns 0.59 ns 0.53 ns 0.13 ns Mother-tree × GA 0.78 ns 4.01 ns 11.84 ns 0.30 ns 0.92 ns 0.33 ns CS × GA 6.49 ** 5.75 ns 6.18 ns 1.27 ... transplantation des plants d’arganier, in: Bani-Aameur F (Ed.), Colloque International sur les Ressources Végétales : L’arganier et les plantes des zones arides et semi-arides, Faculté des Sciences d’Agadir...
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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
Ngày tải lên :
08/08/2014, 18:21
... and stomatal conductance (g was ) s also subjected to regression analysis Mean valper selected tree were used Differences between slopes of regression lines were tested according to Yates (1982) ... high soil moisture conditions, the assimilation rates at midday were high- species and particularly for Q macrolepis As the soil dried, the assimilation rate decreased in all species As early as ... (1982) ues (Turner, 1981) RESULTS AND DISCUSSION Gas exchange Gas exchange measurements were made using portable closed-loop photosynthesis system (Li 6200, Li-Cor, Inc, Lincoln, NE, USA) with...
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