loads compiles and runs assemblies
iec 60439-1 low-voltage switchgear and controlgear assemblies - type-tested and partially ty
Ngày tải lên :
25/12/2013, 11:00
... SWITCHGEAR AND CONTROLGEAR ASSEMBLIES Part 1: Type-tested and partially type-tested assemblies General 1.1 Scope and object This International Standard applies to low-voltage switchgear and controlgear ... SWITCHGEAR AND CONTROLGEAR ASSEMBLIES Part 1: Type-tested and partially type-tested assemblies FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization ... 71 Short-circuit protection and short-circuit withstand strength 87 Switching devices and components installed in ASSEMBLIES 95 Internal separation of ASSEMBLIES by barriers or partitions...
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iec 60439-2 low-voltage switchgear and controlgear assemblies - particular requirements for busba
Ngày tải lên :
25/12/2013, 11:05
... International Standards transparently to the maximum extent possible in their national and regional standards Any divergence between the IEC Standard and the corresponding national or regional standard ... Low-voltage switchgear and controlgear assemblies, of IEC technical committee 17: Switchgear and controlgear This third edition cancels and replaces the second edition published in 1987 and its amendment ... included in normal mechanical loads ' Heavy mechanical loads For busbar trunking systems, heavy mechanical loads include, in addition to the normal mechanical loads, additional loads such as the weight...
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iec 60439-3 low-voltage switchgear and controlgear assemblies - particular requirements for iow-v
Ngày tải lên :
25/12/2013, 11:06
... International Standards transparently to the maximum extent possible in their national and regional standards Any divergence between the IEC Standard and the corresponding national or regional standard ... amendments and Distribution boards shall comply with all requirements of IEC 60439-1 (1999): Low-voltage switchgear and controlgear assemblies, Part I : Type-tested and partially type-tested assemblies, ... 1211 GENEVA 20 Switzerland i(I COPYRIGHT International Electrotechnical Commission I Licensed by Information Handling Services Q1 Please report on ONE STANDARD and ONE STANDARD ONLY Enter the...
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iec 60439-4 low-voltage switchgear and controlgear assemblies - particular requirements for assem
Ngày tải lên :
25/12/2013, 11:07
... International Standards transparently to the maximum extent possible in their national and regional standards Any divergence between the I EC Standard and the corresponding national or regional standard ... amendments and Assemblies for construction sites (ACS) shall comply with all requirements of IEC 60439-1 (1985): Low-voltage switchgear and controlgear assemblies, Part 1: Requirements for typetested and ... and regulating equipment complete with all their internal electrical and mechanical connections and structural parts (see 2.4), designed and built for use on all construction sites, indoors and...
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iec 60439-5 low-voltage switchgear and controlgear assemblies - particular requirements for assem
Ngày tải lên :
25/12/2013, 11:08
... International Standards transparently to the maximum extent possible in their national and regional standards Any divergence between the I EC Standard and the corresponding national or regional standard ... Operating and maintenance gangways within ASSEMBLIES (see 2.7.1 and 2.7.2) Not applicable 7.6 Switching devices and components installed in ASSEMBLIES Selection of switching devices and components ... 60439-1 (1992): Low-voltage switchgear and controlgear assemblies, Part 7: Type-tested and partially type tested assemblies, if not otherwise indicated hereinafter and shall also comply with the particular...
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BS 5486 11 1989 low voltage switchgear and controlgear assemblies
Ngày tải lên :
28/09/2014, 23:27
... switchgear and controlgear for voltages up to and including 000 V a.c and 200 V d.c BS 5486, Low-voltage switchgear and controlgear assemblies BS 5486-1, Specification for type-tested and partially ... 16 mm2 Neutral busbars of SP and N fuseboards (see 7.1.4.1) and 20 A and 32 A TP and N fuseboards shall have one outgoing terminal for each fuse For all other TP and N fuseboards the neutral ... provided as follows: a) SP and N (all ratings of fuseway), one terminal for each fuseway; b) TP and N (20 A and 32 A fuseways), one terminal for each fuseway; c) TP and N (63 A and 100 A fuseways),...
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Homo and heterometallic assemblies from lewis acidic and basic metallic precursors 1
Ngày tải lên :
11/09/2015, 09:01
... used bridging ligands.43 The pincer [NCN] Pt(II) complexes bridged by dppm (1.20a and 1.21a), deprotonated pyrazole (1.20b and 1.21b) and deprotonated imidazole ligands (1.20c and 1.21c) were ... namely the homo- and heterometallic complexes bridged by the phosphido ligands The chemical properties of a phosphido ligand and its complexes are different from the ligands and their corresponding ... supported by these ligands 1.3 Homo- and Heterometallic Complexes Bridged by the Phosphido Ligands Phosphido ligand [(PR2) -] is an important supporting ligand in homo-52 and heterometallic53...
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Homo and heterometallic assemblies from lewis acidic and basic metallic precursors 2
Ngày tải lên :
11/09/2015, 09:01
... [2.129(4) Å] and [Pd(OH2)(PCP-tBu2)][BPh4] [2.056(6) Å], reflecting the intermediate trans influence of chloro-ligand compared to the methyl and aqua ligands 37 Chapter Two: Synthesis and Ligand Displacement ... 2.17a (-76.0 ppm and -76.1 ppm) and 2.18 on the other hand showed two peaks (-77.3 ppm and -77.4 ppm), which can be explained by the 10 B/11B 68 Chapter Two: Synthesis and Ligand Displacement ... of triflato-, nitrato- and aqua ligands in complexes 2.16a, 2.16b and 2.17a that lie between that of the chloro ligand in complex 2.1 70 Chapter Two: Synthesis and Ligand Displacement Reactions...
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Homo and heterometallic assemblies from lewis acidic and basic metallic precursors 3
Ngày tải lên :
11/09/2015, 09:01
... metalloligand [Pd(4Spy)(PCP)] 3.4 was prepared by a standard ligand replacement reaction135 of complex 2.1 with 4-pyridinethiolate ligand The thiolato ligand was generated insitu from 4-pyridinethiol and ... of the bridging dppf ligand and a long Pd-C bond) The steric crowding between the dppf ligand and the pincer moiety are indicated by the upfield shift of the Cp protons and the highly distorted ... complexes in both solution and solid states will be discussed 3.2 Results and Discussion 3.2.1 Synthesis and Characterisation of the Ligand-bridged Complexes of Dppf and 4,4’-Bipyridine The triflato...
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Homo and heterometallic assemblies from lewis acidic and basic metallic precursors 4
Ngày tải lên :
11/09/2015, 09:01
... donor ligand is different from other neutral ligands such as the bipyridine, bisphosphine and the metalloligands as described in Chapter Two and Chapter Three The background of the homoand heterometallic ... involving the Ag and Mn atoms.145d X-ray structural analyses of clusters 4.4a and 4.4b revealed a metal triangle with the phosphido ligand bridging the Mn-Mn bond and a phosphine ligand bridging ... gave a mixture of 4.3a and 4.3b at 1st major yellow band (0.0784g) Clusters 4.4a and 4.4b were obtained at the 2nd minor band (0.0080g) 31 P {1H} NMR spectrum of 1st band (in CDCl3) suggest 4.3b...
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Homo and heterometallic assemblies from lewis acidic and basic metallic precursors 5
Ngày tải lên :
11/09/2015, 09:01
... Three and Chapter Four, the oxalato ligand can link two or more metal centres while acting as a bridging tetradentate ligand [Figure 1-9, (d) and (f)] The complexes obtained from this ligand often ... oxalato ligand The chemistry and the applications of oxalato complexes have been reviewed in Section 1.4 Different from the bridging bidendate bipyridine, disphosphine and the phosphido ligands described ... The proposed degradative pathways and products are summarised in Equations 5-3, 5-4 and 5-5 All byproducts [C4 H8, H2, CO2 , CO and (n-C4H9)3N] are volatile and thus they are easily removed from...
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Homo and heterometallic assemblies from lewis acidic and basic metallic precursors 6
Ngày tải lên :
11/09/2015, 09:01
... and phosphido ligands as well as the heterometallic oxalato-bridged complexes The objective of this work was to develop convenient synthetic methodologies, understand the formation pathways and ... by the phosphido and bisphosphine ligands The oxalato complexes reported in Chapter Five are polymeric networks containing the paramagnetic metal centres [Mn(II) and Cr(III)] and the main group ... obtained via ligand displacement reactions The Ag/Mn heterometallic clusters 4.3a and 4.3b were obtained from condensation reactions between 4.1144 and the Ag(I) diphosphine complexes 4.2a and 4.2b.147,...
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Synthesis and molecular assemblies of d10 metal complexes bearing 9, 10 disubstituted anthracene ligand
Ngày tải lên :
15/09/2015, 17:10
... 2.19) It shows a broad and poorly structured emission band between 400 and 550 nm with maxima at 433 and 453 nm Like its absorption spectrum, such a structured emission band is assigned to the ... complexes depends on the nature of the ancillary ligand,20 changing the ancillary ligand of ( -PAnP)(AuX)2 may help us understand how Au-Au and - interactions cooperate or compete with each other ... method, basis set and different pseudopotentials used, and on relativity.35 More recently, fifteen molecules containing the AuI species were calculated by ab initio HF and MP2 methods and by five different...
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RUTHENIUM PYRIDYL CARBOXYLATE METALLOLIGANDS AND HETEROMETALLIC ASSEMBLIES
Ngày tải lên :
13/10/2015, 16:41
... metalloligands and heterometallic complexes by taking advantage of the dual functionality of pyridyl-carboxylate ligands Chapter One gives a general introduction of pyridyl-carboxylate ligands and ... pyridine donated ligands with free carboxylic acids angled at ~90˚ are good candidates for homo- and heterometallic molecular square assemblies (Scheme 1.2).33 The auxiliary ligand „dppf‟ is important ... metalloligand construction 1.2.1 Pyridine donating metalloligands with free carboxylic acid as pendant 1.2.2 O-donating metalloligands with pyridine as pendant 1.2.3 N, O-coordinated metalloligands...
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Frequency of Routine and Flooding-stage Observations for Precise Annual Total Pollutant Loads and their Estimating Method in the Yodo River
Ngày tải lên :
05/09/2013, 09:38
... pollutant loads, Proc of Environmental and Sanitary Research, (JSCE), 20, 27-38 Ebise, S., Inoue, T and Numabe, A (1993) Runoff characteristics and observation methods of pesticides and nutrients ... opening of the weir at Lake Biwa and the gates of the Amagase Dam Theses discharge brought high pollutant loads and a high flow level in relatively long periods The total loads of most pollutants recorded ... distribution of water quality concentrations and storm runoff loads The total pollutant loads during the observation period in the dry year of 2005 and the average year of 2003 became smaller...
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Fiber Cable Assemblies and Accessories Patch Cords, IFC Assemblies, Attenuators, FasTerm® Connectors and Adapters
Ngày tải lên :
27/10/2013, 01:15
... Patch Cords (6- and 12-fibers) Intrafacility Fiber Cable (IFC) Assemblies Stranded IFC Assemblies Ribbon IFC Assemblies Singlemode IFC Assemblies ... Cable Assemblies and Accessories Patch Cords www.adc.com • +1-952-938-8080 • 1-800-366-3891 Fiber Cable Assemblies and Accessories Introduction ADC produces a wide variety of fiber cable assemblies ... 102880AE Fiber Cable Assemblies and Accessories Ribbon IFC Assemblies www.adc.com • +1-952-938-8080 • 1-800-366-3891 Intrafacility Fiber Cable (IFC) Assemblies Singlemode IFC Assemblies Catalog...
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Fiber Cable Assemblies and Connectors (FCC)
Ngày tải lên :
04/11/2013, 13:15
... (IFC) Cable Assemblies Cable for OSP Preterminated Applications between Rear Side ODF/Patch Panel and OSP Splice Point 12, 24, 36, 48, 72, 96* and 144 Riser Rated Stranded 62.5/125 and 50/125 ... FOT and Rear Side ODF in XConn Environments 4, 6, 8, 12, 24 Standard Wall, Soft Wall, Thick Wall and Thin Wall Multimode Multifiber Patch Cords (4 to 24 Fibers) Fiber Connections between FOT and ... Cable (IFC) Cable Assemblies Cable for OSP Preterminated Applications between Rear Side ODF/Patch Panel and OSP Splice Point 12, 24, 36, 48, 72, 96* and 144 Riser Rated Stranded or Ribbon Multimode...
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Tài liệu Fiber Cable Assemblies and Accessories docx
Ngày tải lên :
10/12/2013, 17:15
... Source and Patch Cords Available in any standard length or connector style, TracerLight patch cords have the same functions, optical performance and stringent environmental requirements as our standard ... meters in 10 meter increments Fiber Type S Standard singlemode P Reduced bend radius singlemode (blue)* LEAVE 2.0 mm standard singlemode BLANK Cable Type Standard singlemode M 2.0 mm single F 1.7 ... polish on the SC, FC and LC connector styles Patch Cords Multimode Patch Cords (Simplex and Duplex) Multimode patch cords are available with the LC small-form-factor connector and the SC connector...
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Tài liệu Fiber Optic Cable Assemblies and Accessories pdf
Ngày tải lên :
17/01/2014, 11:20
... 72-fiber LA 96-fiber stranded stranded stranded stranded stranded stranded ribbon ribbon ribbon ribbon ribbon ribbon * For 144 or 216 fiber counts, additional fiber types and ordering information, ... blank if both ends 12" Type 4-fiber standard wall with 1.7 mm subunits 6-fiber standard wall with 1.7 mm subunits 6-fiber soft wall 8-fiber soft wall 12-fiber standard wall with 1.7 mm subunits 12-fiber ... can be quickly and easily identified without interruption of service Available in any standard length or connector style, TracerLight patch cords have the same functions, features, and stringent...
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