simultaneous saccharification and co fermentation with high solid loading for lignocellulosic bioethanol production
An investigation on the root system of mangroves and its influence on current flow
Ngày tải lên :
09/09/2015, 11:10
... The laser intersecting line (with three velocity components information) formed by applied horizontal LLS (with u and v information) and vertical LLS (with u and w information) 105 Figure ... cause complex secondary flows The turbulence energy is generated by the combination of wake and shear, and the water flow through prop roots is highly three-dimensional and non-homogenous A force ... and understanding in my life I also like to thank my girlfriend Chen Qiyu for her love, care and patience You are iridescent to me and nothing will ever compare I could not finish the study without...
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Process technology equipment and systems chapter 1 & 2
Ngày tải lên :
15/08/2013, 07:50
... cooling coils of a shell and tube condenser As the 18 Equipment Checklists Figure 1.21 Distillation Column hot vapor comes into contact with the coils, it condenses and is collected in the overhead ... Couplings come in a variety of shapes and designs The most common styles are fixed-speed couplings (rigid and flexible) and variable-speed couplings (hydraulic and magnetic) Figure 1.2 shows a rigid and ... bonnet, stem, handwheel, gate, packing, packing gland, and stuffing box Gate valves come in two designs: rising and nonrising stems Gate valves are designed for off/on control and not for restricting...
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Process technology equipment and systems chapter 3 & 4
Ngày tải lên :
16/08/2013, 15:29
... flex up and down for a distance of about 20 inches as the air-vapor mixture in the tank expands and contracts A roof of this type has very little conservation value and is not recommended for a ... Chem Feed Conn With Internal Sleeve 3" Drain Con 4–10" Water Downcomers End View 1" _ Vent Conn 1" Steam Gage Conn R.V 8" Steam Outlet Drum Head Ring 5" 32 C.S 1" LC Conn 1" Water Col Conn 1" Steam ... bonding and grounding Bonding is achieved by physically connecting two objects together with a copper wire Grounding is a procedure designed to connect an object to the earth with a copper wire and...
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Process technology equipment and systems chapter 5 & 6
Ngày tải lên :
19/08/2013, 10:47
... piston compressor They have a flexible pressure range and overall capacity, low power cost, and high efficiency rating They can handle density and gas composition changes, and small volumes and ... ideal for applications that involve explosive and toxic gases Membranes are designed to be durable and tough and able to withstand high temperatures and a variety of conditions Diaphragm compressors ... extremely high Multistage compressors, with cooling between stages, are used to develop high pressures to allow for the heat of compression The compression ratio normally runs in the to range, with...
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Process technology equipment and systems chapter 7 & 8
Ngày tải lên :
20/08/2013, 10:39
... operation (economy and compact design) • Class R Designed for severe conditions (safety and durability) Heat Transfer and Fluid Flow The methods of heat transfer are conduction, convection, and radiant ... provide high turbulence and a large pressure drop and are small compared with shell -and- tube heat exchangers Disadvantages of plate -and- frame heat exchangers are that they have high- pressure and high- temperature ... plate on the hot and cold sides This device is best suited for viscous or corrosive fluid slurries It provides excellent high heat transfer Plate -and- frame heat exchangers are compact and easy to...
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Process technology equipment and systems chapter 9, 10 & 11
Ngày tải lên :
21/08/2013, 10:47
... the trap and comes into contact with the bellows Condensate causes the bellows to contract and open Steam causes the bellows to expand and close Bellows traps can handle condensate and noncondensable ... electronic circuit and is converted to a corresponding temperature scale Thermocouples come in several types; J-type and K-type thermocouples are the most common Type K is preferred for higher temperature ... liquid through conduction and convection The most common type of large commercial boiler is the water-tube boiler, which consists of a furnace that contains an upper and lower drum connected by...
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Process technology equipment and systems chapter 12&13
Ngày tải lên :
23/08/2013, 14:30
... material codes, and steam traps Pumps and Tanks Pumps and tanks come in a variety of designs and shapes Common pump and tank symbols are shown in Figure 12.11 Compressors, Steam Turbines, and Motors ... for a blower and a reciprocating compressor Draw the symbols for a steam turbine and centrifugal compressor Draw the symbols for a heat exchanger and a cooling tower Draw the symbols for a packed ... generator Figure 12.12 illustrates the standardized symbols for compressors, steam turbines, and motors Heat Exchangers and Cooling Towers Heat exchangers and cooling towers are two types of industrial...
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Process technology equipment and systems chapter 14&15
Ngày tải lên :
23/08/2013, 14:47
... lightest component goes out the top of the tower in a vapor state and is passed over the cooling coils of a shell and tube condenser As the hot vapor comes into contact with the coils, it condenses and ... overhead condenser, comes into contact with a much cooler environment, and condenses The condensed liquid collects in an accumulator or drum A pump takes suction off the accumulator and directs ... load and flooding conditions Control Loops The basic elements of a control loop include primary elements and sensors, a transmitter, a controller, a converter, and a final control element Control...
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Process technology equipment and systems chapter 16&17
Ngày tải lên :
27/08/2013, 07:28
... extract and raffinate layers can be removed Such a process could be converted to continuous operations by continuously adding the feed and solvent and continuously withdrawing the raffinate and extract ... extraction columns, which are designed for this purpose: packed columns, tray columns, and mechanical columns A packed column is the simplest and most commonly used type of extraction column Basically, ... on the economics and time involved A regenerating gas dryer usually consists of two vessels (beds) containing a granular solid (Figure 16.9) The solid is specifically chosen for its high adsorbency...
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CO2e emissions from HVAC equipment and lifetime operation for common U.S. building types
Ngày tải lên :
05/09/2013, 15:28
... July and August were both 45 MTCO2e For Duluth (7), during December and January were 122 MTCO2e and 129 MTCO2e, during July and August were both 45 MTCO2e After careful inspection of DOE Commercial ... Total CO2 e GHG emissions for all buildings within each climate zone, (b) percentage total CO2 e GHG emissions for all buildings within each climate zone, and (c) average CO2 e GHG emissions and sources ... energy for all buildings within each climate zone, and (b) percentage CO2 e emissions of operational energy for buildings within each climate zone Figure GHG emissions comparison of ERCOT, Eastern and...
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Reagents and instrumentation
Ngày tải lên :
25/10/2013, 22:20
... available in HF (High Fidelity) or Ultra HF (Ultra High Fidelity) formats The former is a combination of MMLV reverse transcriptase for first-strand cDNA synthesis and TaqPlus® Precision for the PCR ... and is a recombinant version of Taq DNA polymerase that is produced in E coli Recombinant Taq DNA polymerase production in E coli facilitates simple recovery of the thermostable enzyme by incorporation ... two parameters and this can be achieved by selecting the correct reaction conditions (Chapters and 4) Increasingly with the use of PCR for gene cloning and manipulation, fidelity becomes an important...
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Introduction to RF Equipment and System Design
Ngày tải lên :
05/11/2013, 12:15
... 147 148 Contents ix 5.5.2 Fundamental Construction 5.5.3 Common RF Connector Types for Mechanical Modules 5.5.4 Connectors as Components in Milled or Sheet Assemblies 5.6 Rotary Joints and Flexible ... radio connections at very high frequencies (VHFs) and ultrahigh frequencies (UHFs) Rain attenuation and scattering are important special questions, particularly encountered at higher microwave and ... modulation method is a compromise between performance and complexity We should, of course, select a scheme, which enables us to put all the wanted baseband information through it with an adequate margin,...
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asg 7 safety of equipment and personnel
Ngày tải lên :
15/02/2014, 08:44
... established in the Community) must draw up an EC declaration of conformity for all machinery (or safety components) This must be done to certify that machinery and safety components comply with the Directive ... and routine Two-handed controls (C Fig.28) are devices that require the operator to start the hazardous process by using two distinct controls simultaneously with each hand These two-handed controls ... Essential health and safety requirements The EU Machinery Directive in appendix I cover the essential health and safety requirements for marketing and commissioning of machines and safety components...
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Tài liệu ARKANSAS STATE HIGHWAY AND TRANSPORTATION DEPARTMENT EQUIPMENT AND PROCUREMENT DIVISION BID INVITATION doc
Ngày tải lên :
15/02/2014, 13:20
... latest model and design, and in first class condition; and that all containers shall be new, suitable for storage or shipment and in compliance with all applicable laws relating to construction, ... delivery of goods/services in accordance with the specifications and within the time established in the bid Personal and company checks are not acceptable as Performance Bonds In some cases, a ... ARKANSAS STATE HIGHWAY AND TRANSPORTATION DEPARTMENT Page STANDARD BID CONDITIONS H-13-136P ACCEPTANCE AND REJECTION: The Arkansas State Highway and Transportation Department (AHTD)...
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Tài liệu Balance Billing for Medical Equipment and Supplies docx
Ngày tải lên :
21/02/2014, 09:20
... amount for the standard item less 20 percent co- insurance and any outstanding deductible, and the beneficiary would pay the difference between the supplier’s charge for the upgraded item and 80 ... this report We conducted this inspection in accordance with the Quality Standards for Inspections issued by the President’s Council on Integrity and Efficiency Balance Billing for DMEPOS OEI-07-99-00510 ... inspections, sanctions, and fraud alerts The Inspector General informs the Secretary of program and management problems and recommends legislative, regulatory, and operational approaches to correct them...
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Tài liệu Safeguarding Equipment and Protecting Employees from Amputations docx
Ngày tải lên :
21/02/2014, 09:20
... Administration Contents Introduction OSHA Standards National Consensus Standards Safeguarding Roll-Forming and Roll-Bending Machines 33 Other Controls for Roll-Forming and Roll-Bending Machines Recognizing ... the cycle before it completes the downstroke Figure 23 Part Revolution Mechanical Power Press with a Two-Hand Control Control Box Light Curtain Control Box Controls for Machines with Clutches ... Requirements for equipment and tools Consult these standards directly to ensure full compliance with the provisions as this publication is not a substitute for the standards States with OSHA-approved...
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