selection and removal of measures

Photodegradation and removal of phenol and phenolic derivatives from petroleum refinery wastewater using nanoparticles of TiO2

Photodegradation and removal of phenol and phenolic derivatives from petroleum refinery wastewater using nanoparticles of TiO2

... expanded since the discovery of the photocatalytic properties of TiO2 and the demonstration of its effectiveness to generate hydroxyl radicals in the presence of UV light [8] The more activity of ... treatment using nanoparticles of TiO2 and UV light The main feature of this work is the use of inexpensive and recoverable catalyst This sort of processes for degradation of organic compounds may ... black run) and with UV light (both with 100 mg L−1 of TiO2, and temperature of 303 K) Figure shows, very low reduction of COD which was found in the absence of light The increase of temperature...

Ngày tải lên: 05/09/2013, 17:03

8 521 0
iec 60364-5-54 electrical installations of buildings - selection and erection of electrical equip

iec 60364-5-54 electrical installations of buildings - selection and erection of electrical equip

... Information Handling Services INTERNATIONAL ELECTROTECHNICAL COMMISSION ELECTRICAL INSTALLATIONS OF BUILDINGS Part 5: Selection and erection of electrical equipment Chapter 54 : Earthing arrangements and ... France Germany Israel Italy Netherlands * Poland Romania South Africa (Republic of) Spain Sweden Switzerland Turkey Union of Soviet Socialist Republics United States of America This country has changed ... Licensed by Information Handling Services ELECTRICAL INSTALLATIONS OF BUILDINGS Part 5: Selection and erection of electrical equipment Chapter 54 : Earthing arrangements and protective conductors...

Ngày tải lên: 25/12/2013, 11:03

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iec 60364-5-548 electrical installations of buildings - selection and erection of electrical equi

iec 60364-5-548 electrical installations of buildings - selection and erection of electrical equi

... NationalCommitteesundertaketoapplyIECInternational Standards transparentlythe to maximum extent possible national regional in their and standards Any divergencebetweentheIECStandardandthecorrespondingnational or regionalstandardshallbeclearly ... Information Handling Services 60364-5-548 O IEC: 1996+A :1998 -7- ELECTRICAL INSTALLATIONS OF BUILDINGS - Part 5: Selection and erection of electrical equipment - Section 548: Earthing arrangements and ... traitement de l'information Electrical installations of buildings Part 5: Selection and erection of electrical equipment Section 548: Earthing arrangements and equipotential bonding for information technology...

Ngày tải lên: 25/12/2013, 11:04

40 673 5
 selection and sizing of pressure relief valves

selection and sizing of pressure relief valves

... CODES AND STANDARDS Introduction Since pressure relief valves are safety devices, there are many Codes and Standards in place to control their design and application The purpose of this section of ... the course is to familiarize the student with and provide a brief introduction to some of the Codes and Standards which govern the design and use of pressure relief valves While this course scope ... understand that the standards listed here are not all inclusive and that there exists specific standards for the storage of chlorine, ammonia, compressed gas cylinders, and the operation of refrigeration...

Ngày tải lên: 11/01/2014, 15:10

21 600 2
Selection and Location of Poultry and Livestock Manure Storage docx

Selection and Location of Poultry and Livestock Manure Storage docx

... www.va.nrcs.usda.gov/technical/hydrology.html Include the volume of normal runoff and the 25-year, 24-hour runoff from the facility’s drainage area during the storage period Minimize the discharge of nonpolluted runoff into the storage ... planting and on actively growing pastures) and soil conditions are right When manure is applied at agronomic rates, you receive the maximum benefits of manure as a fertilizer and reduce the risks of ... and minimizes manure nutrient leaching and runoff Storage may allow additional farm acreage to be used for manure spreading because applications can be made when the risks of leaching or runoff...

Ngày tải lên: 08/03/2014, 09:20

7 433 0
Guidance for the Selection and Use of Personal Protective Equipment (PPE) in Healthcare Settings doc

Guidance for the Selection and Use of Personal Protective Equipment (PPE) in Healthcare Settings doc

... personnel and visitors and is required for both Standard and Expanded Precautions Hand hygiene should be performed immediately after removing PPE, even during PPE changes and removal if necessary, and ... PPE 39 Standard and Expanded Isolation Precautions Decisions regarding when and which type of PPE should be worn are determined by CDC recommendations for Standard Precautions and Expanded Isolation ... separate the two bands, hold the mask in one hand and the bands in the other Place and hold the mask over your nose, mouth, and chin, then stretch the bands over your head and secure them comfortably...

Ngày tải lên: 08/03/2014, 13:20

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Selection and Breeding of Cattle in Asia: Strategies and Criteria for Improved Breeding pdf

Selection and Breeding of Cattle in Asia: Strategies and Criteria for Improved Breeding pdf

... equivalent of AI, whereby many offspring can be obtained from one cow The magnitude of this increase is much less for ET (tens of offspring) than for AI (hundreds of thousands of offspring) Embryo ... for redefining the goals of breeding programmes BREEDING AND SELECTION CRITERIA Because of wide variability in the amount of information available for selection of cattle and buffaloes in different ... with the future performance of the cow’s offspring 4.1.2 Male selection The male pathway of selection theoretically offers more opportunity for increasing intensity of selection but, unfortunately,...

Ngày tải lên: 08/03/2014, 23:20

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Báo cáo khoa học: In vitro selection and characterization of a stable subdomain of phosphoribosylanthranilate isomerase potx

Báo cáo khoa học: In vitro selection and characterization of a stable subdomain of phosphoribosylanthranilate isomerase potx

... 000 of 87 of 68 of 87 11 of 87 38 of 87 < 1.1 < 1.5 2.3 13 44 arginine of the new epitope, and removed the fragment of the PRAI (ba)8-barrel corresponding to a6(ba)7)8 The remaining fragment of ... uniform presentation of active mAb M2 molecules available for FLAG epitope recognition Each cycle of selection was completed in less than 24 h, and successive rounds of selection and re-transformation ... four rounds of selection for a regenerated epitope using the Round Fig Colony blots of 86 clones from each round of selection from a in 106 dilution of FLAG-PRAI in a background of a FLAGnegative...

Ngày tải lên: 30/03/2014, 20:20

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The Blood Cold Chain Guide to the selection and procurement of equipment and accessories pptx

The Blood Cold Chain Guide to the selection and procurement of equipment and accessories pptx

... storage of donated blood during blood collection sessions; and • Safe transport of donated blood BLOOD COLD CHAIN: GUIDE TO THE SELECTION AND PROCUREMENT OF EQUIPMENT AND ACCESSORIES Table Storage of ... absence of a standby generator and also the cooling down time BLOOD COLD CHAIN: GUIDE TO THE SELECTION AND PROCUREMENT OF EQUIPMENT AND ACCESSORIES WHO MINIMUM PERFORMANCE SPECIFICATIONS FOR Standard ... exchange of gases within and degree of amplitude outside the blood pack of the agitation and the number of strokes achieved per minute The quantity of platelet concentrates that may be handled...

Ngày tải lên: 31/03/2014, 12:20

74 506 0
guide to the design, selection, and application of screw feeders

guide to the design, selection, and application of screw feeders

... foundation of universal prosperity More than 60 percent of all products consumed and handled by man are at some time in the form of bulk solids, many of which pass through several handling and processing ... understanding grew of their advantages and limitations, the ingenuity of engineers produced a plethora of applications in all industries, from food and pharmaceuticals to waste and sewage handling ... ‘shaftless’ and ribbon screws, ‘plug seals’, and a host of design variants offer scope for innovative and specialized functions There are also a number of limitations and disadvantages of helical...

Ngày tải lên: 01/04/2014, 11:52

178 524 0
guide to the selection and use of hydraulic cements

guide to the selection and use of hydraulic cements

... Expansion of Portland Cement C 183 Standard Methods of Sampling and Acceptance of Hydraulic Cement C 186 Standard Test Method for Heat of Hydration of Hydraulic Cement C 191 Time of Setting of Hydraulic ... compositions and fineness of the five ASTM types of portland cements are given in Table 3.2 3.1.1 Reactions of portland cements with water—When portland cement and water are mixed, a series of chemical ... Significance of Tests and Properties of Concrete and Concrete-Making Materials, P Klieger and J F Lamond, eds., ASTM STP 169C, pp 491-499 Mather, K., 1977, “Tests and Evaluation of Portland and Blended...

Ngày tải lên: 24/10/2014, 16:03

30 538 0
In silico methodologies for selection and prioritization of compounds in drug discovery

In silico methodologies for selection and prioritization of compounds in drug discovery

... elements (i, j) and (j, i) of the matrix will be assigned the value of “1” if atoms i and j are bonded and the value of “0” otherwise The adjacency matrix S represents the query substructure and the ... resources and time required for the systematic exploration of the full SAR landscape are often overwhelming and thus not practical Therefore, in the final part of this thesis, a novel application of ... of the CDK2 validation and test sets selected by the scoring scheme Dashed lines and circles denote aromatic bonds and atoms respectively Continuous lines and circles denote aliphatic bonds and...

Ngày tải lên: 08/09/2015, 22:12

185 380 0
Riverbank filtration: removal of iron, manganese and hardness

Riverbank filtration: removal of iron, manganese and hardness

... RESULTS AND DISCUSSION Nanofiltration of hardness removal Three types of nanofiltration membrane such as UTC-60(TORAY), NTR729-HF(NITTO DENCO) and UTC-20(TORAY) was used The characteristics of membrane ... Sampling point of this study Fig Development areas of bankfiltrate - 134 - Journal of Water and Environment Technology, Vol.1, No.2, 2003 Nanofiltration to hardness removal Nanofiltration experiment ... slurry Conclusion In hardness removal experiment by membrane, flux of UTC-20 in permeate flux and total hardness removal 0.069 m3/m2/hr that was median value and 93% of removal efficiency was shown...

Ngày tải lên: 05/09/2013, 08:40

8 407 0
Improvement of Water Quality by Removal of Suspended Solids and High-speed Biological Filtration in Closed Water Body

Improvement of Water Quality by Removal of Suspended Solids and High-speed Biological Filtration in Closed Water Body

... pilot plant The height of this plant is 1.5 m and diameter is 0.5 m A 1000-ton of closed water body and a raft of 20×20 m2 were prepared at Tokiwako Lake The maximum water depth of experimental area ... m, and average is 2.3 m Water depth changes around 0.4 m (up and down) by various reasons This plant was floated and fixed at the center of the raft Lake water was - 234 - Journal of Water and ... in each point by standard methods [6] Pore size is 1µm In this paper, SS, transparency and COD at the outlet of plant and the outside of experimental area will be reported and discussed Experimental...

Ngày tải lên: 05/09/2013, 08:40

6 526 0
Removal of arsenic from synthetic groundwater by adsorption using the combination of laterite and ironmodified activated carbon

Removal of arsenic from synthetic groundwater by adsorption using the combination of laterite and ironmodified activated carbon

... LA/AC-Fe ratio of 0.3m/0.2m, flow rate of to 6mL/min (or space velocity of 0.98-1.47m3/m3h), pH of 7-8, and initial arsenic concentration of 0.1-0.5mg/L, to obtain a breakthrough time of more than ... flasks Each of them contained 5g of adsorbents (adsorbent dose) and - 45 - Journal of Water and Environment Technology, Vol 6, No.1, 2008 1000mL synthetic groundwater with various levels of total ... (25oC) and atmospheric condition The samples were taken then acidified and analyzed for residual arsenic concentration A mixture of 70% As[III] and 30% As[V] was used in all of the experiments and...

Ngày tải lên: 05/09/2013, 09:38

12 530 0
Removal of Nutrients, Organic Matter and Heavy Metals from Paddy Field Drainage by Charcoal

Removal of Nutrients, Organic Matter and Heavy Metals from Paddy Field Drainage by Charcoal

... - Variations of reduction rate for (a) TOC, TN and TP, (b) Cr, Fe, Pb, and Zn, and diurnal variations of contact times during field test Table - Mean and standard deviation (SD) of the concentration ... charcoal, and is adsorption when drainage water contacts the surface of charcoal because of the structure of this equipment Relation of removal ability among substances As the removal ability of a ... SD: Standard deviation, CV: Coefficient of variation - 12 - Journal of Water and Environment Technology, Vol 7, No 1, 2009 The water qualities of inflow water (IN) and outflow water (OUT) of the...

Ngày tải lên: 05/09/2013, 09:38

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Health and Work of the Elderly: Subjective Health Measures, Reporting Errors and the Endogenous Relationship between Health and Work doc

Health and Work of the Elderly: Subjective Health Measures, Reporting Errors and the Endogenous Relationship between Health and Work doc

... models of labour supply, these measures tend lead to an overestimate of the effect of health and an underestimate of the effect of economic incentives This paper focuses on the issue of reporting ... work of Kerkhofs and Lindeboom (1995) and Kreider (1999) Kerkhofs & Lindeboom (1995) and Kreider (1999) take a very similar approach In both studies the group of workers is taken as a benchmark and ... value of general health, H* , and the true value of work W G W related health, H* Rather then one measure for each type of health, H* and H* could refer to sets of health measures For ease of exposition...

Ngày tải lên: 05/03/2014, 21:20

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