... acti-vated and cleaned The following sequence of solvents was used: one column volume of hexane with 1.6% of diethyl-ether to elute beta-carotene (Fraction A); 5 and 3 column volumes of chloroform:methanol ... 0.5 mL of hexane, 1.6% of diethyl‑ether Fraction A One column volume of hexane, 1.6% of diethyl-ether Fraction B One column volume of hexane, 1.6% of diethyl-ether Fraction C One column volume of ... for biofuel production and biotechnological applications due to its ability to accumulate lipid together with beta-carotene Results: Batch and chemostat experiments with various degrees of nitrogen
Ngày tải lên: 24/11/2022, 17:45
... product 4 E.Coli, number of bacteria in 1 g of product 0 0 5 Salmonella, number of bacteria in 25 g of product 6 Yeasts and molds, number of colonies in 1 g of product Material and procedure Figure ... draining and separating whey overnight The flavor is akin to sour cream and has the texture of soft cream cheese A liter of yogurt produces around 500 mL of cheese Yogurt cheese has a shelf life of ... Total number of aerobic microorganisms, number of colonies in 1 g of product 2 Coliform group, number of bacteria in 1 g of product 3 Staphylococcus aureus, number of bacteria in 1 g of product
Ngày tải lên: 08/04/2024, 22:40
Volume 5 biomass and biofuel production 5 08 – ethics of biofuel production
... demand may create this land use change are varied and complex Some aspects of biofuels use may have created additional demand for land use Some aspects of biofuels use may reduce demand for land ... and social and management of waste environmental performance and minimize the risk of damage to the environment and people Land rights Biofuel operations shall respect land rights and land use rights ... Cleveland, UK © 2012 Elsevier Ltd 5.08.1 Introduction The issue of ethical aspects of biofuels production requires consideration of multiple and varied factors These include the impact of a biofuels
Ngày tải lên: 30/12/2017, 17:57
Volume 5 biomass and biofuel production 5 12 – intensification of biofuel production
... the cost of increased molar ratio and pressure There are costs associated with achieving both temperatures and pressures, and the economic optimum is unclear Much of the research work of the last ... breaking or bypassing of an azeotrope For the separation of ethanol from water, there are two possibilities: addition of a salt and addition of an organic entrainer The addition of a salt or any ... cheap and preferably biodegradable Examples of such adsorbents are starch and cellulose, both of which are found in many types of biomass An ethanol–water vapor mixture is fed to a packed bed of
Ngày tải lên: 30/12/2017, 17:59
Volume 5 biomass and biofuel production 5 17 – use of biofuels in a range of engine configurations
... generation or for combined heat and power can run on a range of fuels including biodiesel and some bio-oils The performance of biofuels and raw bio-oils depends on their source and on the extent to which ... use of pure biofuels and strong blends The potential for using biofuels in stationary engines is explored in Section 5.17.4 with particular emphasis on strong biodiesel/fossil diesel blends and ... transport should be biofuels, which is achieved by blending biodiesel with automotive diesel Use of blended biofuels features prominently in the plans of most EU countries to achieve the mandated 10%
Ngày tải lên: 30/12/2017, 18:08
Intercultural adaptability of oekom research AG’s Corporate responsibility Rating (CRR) According to criteria of social and cultural sustainability doc
... the importance of the cultural rating and the Japanese market, and the corresponding adaptations of its product and processes Trang 26Chapter 2: Synopsis of the ratings of Jusco and Sainsbury ... Sainsbury has developed a bundle of policies in the context of environmental, social and cultural sustainability, adapting again Western standards and the state of the art of today’s management tools ... include criteria of environmental, social and cultural sustainability in the assessment of a company’s performance This allows a broader analysis of the long term prospects of a companies and includes
Ngày tải lên: 17/03/2014, 03:20
Supporting Air and Space Expeditionary Forces - Capabilities and Sustainability of Air and Space Expeditionary Forces ppt
... Management gram of RAND Project AIR FORCE and was jointly sponsored bythe Commander, Air Combat Command (ACC/CC) and the UnitedStates Air Force Deputy Chief of Staff of Installations and Logistics(AF/IL) ... support Examples of ECS are the manpower and equipment for storage and distribution of fuel, fire protection, and so forth. Trang 344 Capabilities and Sustainability of Air and Space Expeditionary ... and equip-ment for civil engineering and fuel storage and distribution The typeand level of the required ECS will depend on the operational tempo,the number of deployed sites, and the range of
Ngày tải lên: 23/03/2014, 02:20
manual on hatchery production of seabass and gilthead seabream pdf
... PREPARATION OF THIS DOCUMENT “This is the second and final volume of a manual on hatchery production of seabass and -gữhoad soabream, It part othe programme of publication o he Inland Water Resources and ... Choice of pump category FOR THE CHOICE OF A PUMPING SYSTEM Choice ofpump ype Choice of numberof pump sets Trang 9‘Which type of UV lamps to choose Selection of UV sterlisers OXYGENATORS AND AERATORS ... WATERINTAKES ‘Geometry and structure of seawater intakes on a sandy coast — se 29 Calculation and design of structures against sea storms ‘at ‘Geometry and structure of seawater intakes on
Ngày tải lên: 23/03/2014, 22:20
The impact of fodder trees on milk production and income among smallholder dairy farmers in East Africa and the role of research ppt
... European Union, Finland, Ireland, the Netherlands, Norway, Denmark, the United Kingdom, the United States of America and the World Bank. The impact of fodder trees on milk production and income among ... of male % of. .. the focus of this report and is thus given much more attention, forming the basis of chapters 4, 5 and 6 4 The impact of fodder trees on milk production ... iv The impact of fodder trees on milk production and income among smallholder dairy farmers in East Africa and the role of research Abstract The objective of this study is twofold, to demonstrate
Ngày tải lên: 24/03/2014, 04:20
RUBBER PRODUCTION IN LIBERIA: An Exploratory Assessment of Living and Working Conditions, with Special Attention to Forced Labor docx
... understanding of the composition of the community and functioned to guide the process of selecting informants The aim of semi-structured interviews was to gain a deeper understanding of the living and ... history and legacy of war are important factors to consider when evaluating the history and development of the rubber sector in the country, and the impact of severe poverty and social and economic ... but there were indications of underlying issues of tension and dissent between management and union leaders, and – in the case of LAC – between the union rank and file and their local leaders On
Ngày tải lên: 31/03/2014, 09:21
Biofuel production technologies: status, prospects and implications for trade and development pptx
... biofuels 5 3 Second-generation biofuels 9 3.1 Second-generation biochemical biofuels 10 3.2 Second-generation thermochemical biofuels 11 4 Perspectives on first- and second-generation biofuels ... Tables 1 Biofuel classification 3 2 First-generation biofuels 5 3 Energy ratios for gasoline and some first- and second-generation biofuels 19 4 First- vs second-generation biofuels 27 ... for growing biofuel feedstocks is also of concern in many areas of the world Figure 1 Substitutability of biofuels with common petroleum-derived fuels Figure 2 Substitutability of biofuels for
Ngày tải lên: 01/04/2014, 00:20
output and efficiency in the production of business and economics majors
... the production and retention of the core business knowledge and general basic abilities of graduating business students An educational production function was used to perform the production and ... outputs, and the use of “reduced form” equations might be misleading The author emphasizes that the importance of this issue depends on the degree of “jointness” of production, the form of the production ... education of standardized testing instruments has open the doors to new research that could further clarify and identify key inputs in the production and retention of knowledge The main purpose of this
Ngày tải lên: 03/06/2014, 02:08
Tài liệu Expanding Biofuel production and the transition to advanced Biofuels ppt
... production, EXPANDING BIOFUEL PRODUCTION AND THE TRANSITION TO ADVANCED BIOFUELS 40 Advanced Biofuel: Unspecified Advanced Biofuel: Biomass-Based Diesel 35 Advanced Biofuel: Cellulosic Biofuel Conventional ... services, and local communities? EXPANDING BIOFUEL PRODUCTION AND THE TRANSITION TO ADVANCED BIOFUELS Context The U.S biofuel industry has grown dramatically in recent years, with production expanding ... environmental, and social impacts of biofuel production and use While a number of studies have examined some of the environmental impacts associated with the expansion of biofuel production and use, most of...
Ngày tải lên: 19/02/2014, 09:20
Tài liệu A Comparison of Conventional and Organic Milk Production Systems in the U.S. potx
... the costs of and returns to organic milk production and how they differ from the costs and returns of conventional production However, the prior research is limited in terms of the scope and the ... hope of improving farm profitability Despite the growing number of organic dairy operations there is little information about the relative costs and returns of organic and conventional milk production ... milk production systems rely on ecologically based practices that virtually prohibit the use of antibiotics and hormones in the cow herd and the use of synthetic chemicals in the production of...
Ngày tải lên: 22/02/2014, 05:20
Báo cáo y học: "α Impact of VIP and cAMP on the regulation of TNF-α and IL-10 production: implications for rheumatoid arthritis" pps
... of VIP, rolipram, and dibutyryl cAMP on the production of TNF-α and IL-10 by monocytes Spontaneous production of IL-10 and TNF-α by monocytes could not be detected; cytokine production was induced, ... presence of VIP (lane 2), and that the combination of VIP and rolipram activates both CREB and ATF-1 upon LPS stimulation (lane 3) α VIP fails to modulate T-cell production of IL-10, TNF-α, γ and ... augments production of IL-10 by PMA/ionomycin-stimulated macrophages The lack of augmentation of IL-10 production by VIP is suggested by a To investigate the role of VIP as a modulator of cytokine production...
Ngày tải lên: 09/08/2014, 01:23
Báo cáo y học: "T-cell contact-dependent regulation of CC and CXC chemokine production in monocytes through differential involvement of NFκB: implications for rheumatoid arthritis" docx
... induce production of high levels of chemokines in M-CSF-differentiated human monocytes (macrophages) Levels of both CC chemokines (MCP-1, MIP-1α, MIP-1β and RANTES) and CXC chemokines (IL-8, GROα and ... concentrations of the following: 25 ng/ml TNFα (gift from Dr W Stec, Centre of Macromolecular Studies, Lodz, Poland), 100 ng/ml IL-6 (gift from Dr P Ramage, Sandoz, Pharma Ltd., Basel, Switzerland) and ... differential utilization of NFκB for the expression of CC and CXC chemokines in this system We also examined the role of NFκB in the Tck-cell contactdependent production of chemokines in monocytes...
Ngày tải lên: 09/08/2014, 08:23
Quantification of primary and secondary oocyte production in atlantic cod by simple oocyte packing density theory
... to assess maturity and fecundity of warm- and cold-water fish and squids Institute of Marine Research, Bergen, Norway Bancroft, J D., and A Stevens 1996 Theory and practice of histological techniques, ... The RFS (CAOs, EVOs, and LVOs) started off with an early production of CAOs already around 180 μm, followed successively by the production of EVOs and LVOs but then leveling off (Figure 9) There ... small and required high magnification to be spotted with a reasonable level of certainty) Numbers of Primary and Secondary Oocytes The numerical production of primary and secondary oocytes was standardized...
Ngày tải lên: 04/09/2015, 12:47
Analysis of Phosphorus Behavior in the Giant Reed for Phytoremediation and the Biomass Production System
... The size of rhizomes and the number of stems growing from rhizomes are also different between this study and the natural environment This means that the ratio of the above-ground part of the reed ... Inamori R., and Kondo T (2009) A simulation model of nitrogen transformation in reed constructed wetlands, Desalination 235(1-3), 93-101 Yalcuk A and Ugurlu A (2009) Comparison of horizontal and vertical ... every day The effects of age and weight of giant reeds on phosphorus uptake were estimated by using one-year-old plants and several-years-old plants The seasonal variation of phosphorus uptake...
Ngày tải lên: 05/09/2013, 09:38
Tài liệu Environmental impacts of petroleum production: Fate of inorganic and organic chemicals in produced water from the Osage-Skiatook Petroleum Environmental Research sites, Osage County, Oklahoma doc
... releases of produced water and petroleum and the improper disposal of produced water are national issues that concern managers of Federal, and State lands, as well as oil and gas producers and lessees, ... siltstone, and thin sandstone beds The geologic and climatic settings of the Lester and Branstetter leases resemble that of much of the major southern mid-continent oil- and gas-producing area of the ... part of the site is underlain by 1) a surface layer of eolian sand (20-70 cm thick); 2) colluvial apron and alluvial deposits of varying thickness comprised of sandstone pebbles, cobbles, and...
Ngày tải lên: 14/02/2014, 03:20
Tài liệu The Economic Promise of Investing in High-Quality Preschool: Using Early Education to Improve Economic Growth and the Fiscal Sustainability of States and the Nation pptx
... Federal Reserve Bank of Cleveland, in Federal Reserve Bank of Cleveland Research Conference: Education and Economic Development (Cleveland, OH: Federal Reserve Bank of Cleveland, 2004); W Steve ... service offered, at least one meal offered and site visits to monitor implementation of quality standards [W Steve Barnett, Jason T Hustedt, Kenneth B Robin, and Karen L Schulman, The State of Preschool: ... Assumes 50% of participating students are poor and receive the full benefit and 50% of participating students are not poor and thus receive only one-half of the total benefit Assumes 80% of participating...
Ngày tải lên: 20/02/2014, 20:20