prairie ecosystems study pecos from community to chemical elements the essential role of questionnaires

Managing for Healthy Ecosystems doc

Ngày tải lên : 06/03/2014, 18:21

... Perceptions of a Rural Senior Saskatchewan Population 1161 Mary B MacDonald and Gail Remus Chapter 116 Prairie Ecosystem Study (PECOS) : From Community to Chemical Elements, the Essential Role of Questionnaires ... Clariﬁcation of the concept and the role of culture in deﬁning the meaning of healthy ecosystems are central to a number of the themes within this volume It is particularly prominent in the section ... to the socalled Agenda 21, the action plan to achieve the goals of the Rio Declaration In effect, the action plan details through treaties and accords (such as the Kyoto Protocol) the means of...

1.5K
853
1

The Importance of Water and Water Quality in Brewing pptx

Ngày tải lên : 18/03/2014, 00:20

... have been located The notion of best ales in the Empire from Burton on Trent, and the clearest pale lagers from Pilsen is inextricably linked to the chemistry of the water Contents • Water in ... sulphate, and those of Pilsen (the home of clear lagers – are soft waters Water and Taint Water is a common source of Taints in beer Typically, water is the source of the majority of taints associated ... associated with sulfate ions In the presence of sulfate, sodium creates an unpleasant harshness, so the rule of thumb is that the more sulfate in the water, the less sodium there should be (and vice...

24
516
0

A CFD analysis of transport phenomena and electrochemical reactions in a tubular-shaped PEM fuel cell

Ngày tải lên : 05/09/2013, 14:58

... extends to a tapered field that has the lowest cell performance The lower the number of steps and the height of the outlet channel, the greater is the improvement in reactant diffusion to the porous ... [W/(m⋅K)]; the term [εβ(Tsolid−T)], on the right hand side, accounts for the heat exchange to and from the solid matrix of the GDL The gas phase and the liquid phase are assumed to be in thermodynamic ... order to account for the magnitude of phase change inside the GDL, expressions are required to relate the level of over- and undersaturation as well as the amount of liquid water present to the...

26
609
0

Báo cáo " Impacts of climate change on water resources in the Huong River basin and adaptation measures " pptx

Ngày tải lên : 05/03/2014, 16:20

... 3.5 Impact of climate change on other sectors Apart from assessing the impacts of climate change on water resources, the study also looked at impacts of climate change on other sectors in Thua ... development of the coastal zone [2] The ICZM strategy document was promulgated at the national level in 2003 The strategy of ICZM agrees with the strategy of adaptation to climate change in the approach, ... can be seen from the table that, the 1999 flood event caused an average flooded depth of 5.81m covering an area of 388.4km2 and accounting for 7.69% area of the entire territory of Thua Thien...

8
630
1

báo cáo hóa học:" The influence of the level of physical activity and human development in the quality of life in survivors of stroke" potx

Ngày tải lên : 20/06/2014, 15:20

... Thus, the closer the observed value is to the minimum value, the smaller is the numerator and therefore the worse the situation of development Conversely, the closer the observed value is to the ... cities The periods of interest for this study, on the other hand, correspond to the years until 2010, when the number of municipalities in the National Territory was already 5,564 Therefore, the ... important role in improving quality of life, regardless of the HDI-I economic indicator or HDI national ranking status of the city of residence When evaluating the indicators of HDI in the two...

6
509
0

An assessment of water quality in the Lower Mekong Basin pptx

Ngày tải lên : 06/07/2014, 22:20

... (WQMN) to provide an ongoing record of the water quality of the river, its major tributaries, and the Mekong Delta The number of stations sampled has varied over the years since the inception of the ... UrbanAreas The total discharge from urban areas is 150,000-170,000 tonnes year of BOD, 24,000-27,000 tonnes/year of total-N, and 7200-8 100 tonnes/year of total-P Sewage water from part of Vientiane ... where the Tonle SapGreat Lake system enters the Mekong During the rainy season excess water from the Mekong flows 'upstream' in the Tonle Sap and into the Great Lake, causing expansion of the water...

90
369
0

Báo cáo lâm nghiệp: "Analysis of snow accumulation and snow melting in a young mountain spruce and beech stand in the Orlické hory Mts., Czech Republic" pptx

Ngày tải lên : 07/08/2014, 04:20

... 141.0 mm and in the open area from 81.6 to 156.8 mm The period of spring melting (from 4 2008 to 27 2008) The 4th of April can be considered to be the beginning of spring melting at the Deštné field ... practically total damage to the spruce stand by top breakages in February and March due to the extreme load of wet snow Snowstorms (e.g in the first decade of February 158 mm, in a week from to 13 ... early 11 2007 At the turnover of the 2nd and the 3rd period of November, the snow water equivalent in both stands amounted to 88 to 100 mm, in the open area even to 108 mm Nevertheless, within...

15
348
0

Báo cáo lâm nghiệp:"Analysis of log shape and internal knots in twenty Maritime pine (Pinus pinaster Ait.) stems based on visual scanning and computer aided reconstruction" pptx

Ngày tải lên : 08/08/2014, 01:21

... covered by the knot core increases strongly within the tree from stem base to the top: the total knot core represents 28% of the tree radius in the stem butt, and 84% at the stem top The sound ... higher for the total knot core In the upper part of the stem, from 55% of total tree height upwards, the proportion of the knot core remains approximately constant at 85% and 65% of the tree diameter, ... and with the image of the flitch on the screen, the system registered the geometrical outline of the sawing surface, the log pith line and the location, size, shape and quality factor of each...

8
323
0

Báo cáo khao học: "High-resolution analysis of radial growth and wood density in Eucalyptus nitens, grown under different irrigation regimes" potx

Ngày tải lên : 08/08/2014, 14:20

... corresponded to approximately mV Radial growth on the northern side of the tree was monitored every fifteen minutes during the growing season from August 1996 to July 1998 August represented the start of ... Under these conditions, the size of the meristematic cells and the duration of the cell division cycle in these cells determine the rate of cell production Cambial derivatives differentiating into ... the radius of a subalpine Norway spruce stem: their relation to the sap flow and their use to estimate transpiration, Trees 10 (1995) 94–101 [14] Hinckley T.M., Bruckerhoff D.N., The effect of...

6
341
0

Analysis of passive cooling and heating potential in Vietnam

Ngày tải lên : 17/06/2015, 09:05

... YEAR WEATHER DATA SET Figure 3: Hourly plot of Hanoi weather data on psychrometric chart The TMY files for more than 2100 locations of the world can be obtained from the opened database of the U.S ... temperature is always unchanged The total heat content of the system does not change, therefore it is said to be adiabatic The cooling performance or leaving air temperature of the cooler may be determined: ... underestimating the real thermal environment Figure 1: Incorrect prediction of comfort zone for Hanoi by weather tool [4] The above analysis indicates that it is essential to create appropriate thermal...

6
311
0

ANALYSIS OF PASSIVE COOLING AND HEATING POTENTIAL IN VIETNAM USING GRAPHICAL METHOD AND TYPICAL METEOROLOGICAL YEAR WEATHER FILE

Ngày tải lên : 19/06/2015, 10:00

... YEAR WEATHER DATA SET Figure 3: Hourly plot of Hanoi weather data on psychrometric chart The TMY files for more than 2100 locations of the world can be obtained from the opened database of the U.S ... temperature is always unchanged The total heat content of the system does not change, therefore it is said to be adiabatic The cooling performance or leaving air temperature of the cooler may be determined: ... underestimating the real thermal environment Figure 1: Incorrect prediction of comfort zone for Hanoi by weather tool [4] The above analysis indicates that it is essential to create appropriate thermal...

6
262
0

Analysis of transport phenomena and electrochemical reactions in a micro PEM fuel cell with nature inspired flow field design

Ngày tải lên : 09/09/2015, 10:17

... [W/(m⋅K)]; the term [εβ(Tsolid−T)], on the right hand side, accounts for the heat exchange to and from the solid matrix of the GDL The gas phase and the liquid phase are assumed to be in thermodynamic ... under the land areas is smaller than for the oxygen in cathode side due to the higher diffusivity of the hydrogen Due to the relatively low diffusivity of the oxygen compared with that of the hydrogen, ... directly related to the nature of the electrochemical reactions and represents the magnitude of activation energy, when the reaction propagates at the rate demanded by the current The activation...

16
365
0

Design and analysis of object allocation and replication algorithms in distributed databases for stationary and mobile computing systems

Ngày tải lên : 16/09/2015, 17:11

... objective is to dynamically adjust the allocation schemes of objects so as to minimize the total servicing cost of the arriving requests The contributions of this thesis are mainly from theoretical ... very related to our study in this thesis The concept of competitive analysis was ﬁrst introduced by Sleator and Tarjan [61] to study the performance of on-line algorithms in the context of searching ... challenges to the system designers There are several criteria to evaluate the performance of a DDBS, such as the system reliability, the mean response time of transactions, the total cost of servicing...

134
354
0

Relevance of mineral nutrition and light quality for the accumulation of secondary metabolites in centella asiatica and hydrocotyle leucocephala

Ngày tải lên : 19/11/2015, 16:47

... age, the light regimes, and the duration of exposure The distribution pattern of the compounds within the plant organs was not influenced by the treatments Based on the chemical composition of the ... for the development of new drugs So far, neither there is information on the propagation and cultivation of the species, nor on the significance of growth conditions for the accumulation of biochemicals ... substantiates the necessity of the additional consideration of other wavelengths when evaluating the UV-B impact on plants Analogous to the flavonoids, even the accumulation of saponins was proposed to...

149
319
0

Improvement of nutrient removal and phosphorus recovery in the anaerobic/oxic/anoxic process combined with sludge ozonation and phosphorus adsorption

Ngày tải lên : 05/09/2013, 09:38

... (SS) Then, the residual liquid from the physico -chemical processes, which was the mixture of the effluent from the phosphorus adsorption column and the backwash water, was circulated back to the ... operation of a lab-scale reactor, the operational conditions were optimized by changing the amount of sludge to be ozonated and the recirculation ratio of the residual liquid from the physico -chemical ... circulation of ozonated sludge might have been the cause of the deteriorated nitrification performance Then, to reduce the organic carbon loading to the oxic tank, the circulation ratio of the residual...

8
916
1

Tài liệu Báo cáo khoa học: Altered expression of CD1d molecules and lipid accumulation in the human hepatoma cell line HepG2 after iron loading pptx

Ngày tải lên : 19/02/2014, 16:20

... cytometry revealed that the inhibition of cell growth was due to a decrease in the percentage of cells in the S and G2 ⁄ M phases of the cell cycle (Fig 3B) In a total of seven separate determinations, ... expression seems to be dictated by the presence of a tyrosine motif in the cytoplasmic tail of CD1d that allows association with several chaperones and adaptors that direct the molecule to endolysosomes, ... to bind lipid compounds within the different endolysosomal compartments [23] In this study, we examined whether iron loading of the liver epithelial cell line HepG2 inﬂuenced the expression of...

14
682
0

PROSTHETIC REHABILITATION OF MISSING TEETH AND ORAL HEALTH IN THE ELDERLY pptx

Ngày tải lên : 05/03/2014, 18:20

... extraction of teeth and progresses at varying speed for the rest of the life (Tallgren, 1972) Both local and systemic factors may affect the rate of RRR The role of local prosthetic factors in the RRR ... further compromises the health of the fragile oral mucosa Loss of saliva increases the number of oral bacteria and their metabolic products in the mouth The deteriorating motoric skills tend to ... 18 AIMS OF THE STUDY The present study was designed: 1- to document the prosthetic rehabilitation among the elderly in Helsinki and to compare the subjective and objective needs for prosthetic...

59
597
0

STAFF REPORT PREPARED FOR THE JOINT COMMITTEE ON WASHNGTON METROPOLITAN PROBLEMS ON SEWAGE DISPOSAL AND WATER POLLUTION IN THE WASHINGTON METROPOLITAN AREA ppt

Ngày tải lên : 06/03/2014, 15:21

33
800
0

Báo cáo khoa học: Evolutionary origin and divergence of PQRFamide peptides and LPXRFamide peptides in the RFamide peptide family pdf

Ngày tải lên : 07/03/2014, 12:20

... is the first demonstration of the presence of RFamide peptides in the brain of any species of agnathans On the basis of the results of phylogenetic analysis and amino acid sequence comparison, the ... H]+) from peak a or 1179.88 m ⁄ z ([M + H]+) from peak b on the MALDI-TOF MS (Table 2) These values were close to the synthetic peptide mass numbers of 1179.59 m ⁄ z 1734 B Fig (A) HPLC profile of ... This is the first demonstration, to our knowledge, of the presence of RFamide peptides in the brain of any species of agnathan Subsequently, this study clarified the relationship between the identified...

13
501
0

Surfing the waves of globalization - Asia and financial lobalization in the context of the trilemma

Ngày tải lên : 15/03/2014, 11:21

... tích kinh tế vĩ mô chuyên gia tài Bài nghiên cứu ‘’Surfing the Waves of Globalization: Asia and Financial Globalization in the Context of the Trilemma’’ Joshua Aizeman cộng (2010) cho thấy nhìn ... tế thị trường Châu Á theo đuổi sách vĩ mô kinh tế to n cầu hóa nhằm giúp giảm mức độ biến động đầu tư tỷ giá hối đoái thực, tỷ giá hối đoái thực không hai Trong thực tế, theo hình 8, EMGs châu ... ổn định tỷ giá hối đoái Theo quan điểm khác, kinh tế tích lũy ngoại hối lớn để nhằm phối hợp mục tiêu tỷ giá cố định, sách tiền tệ độc lập, hội nhập tài Ví dụ, quốc gia theo đuổi tỷ giá hối đoái...

28
682
0