rods and anchorage assemblies

... 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...

Ngày tải lên: 25/12/2013, 11:00

... 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 ... (busways) General 1.1 Scope and object Add the following paragraphs: This International Standard applies to busbar trunking systems (BTS) and their accessories for feeding and distributing electrical...

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 ... 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...

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 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...

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 ... 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...

Ngày tải lên: 25/12/2013, 11:08

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),...

Ngày tải lên: 28/09/2014, 23:27

... 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...

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...

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...

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...

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...

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,...

Ngày tải lên: 11/09/2015, 09:01

... 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...

Ngày tải lên: 15/09/2015, 17:10

... 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...

Ngày tải lên: 13/10/2015, 16:41

... plants to uprooting due to hydraulic forces (Handley and Davy, 2002) In their study, Handley and Davy (2002) suggested that the size of substrate particles and closeness of packing were likely to affect ... Bay, Japan and met the Japanese standard for sea dumping disposal of dredged sediment (MOE, 2005) DS were added to two slag samples (ACS and GS) to achieve mixtures containing 10% and 20% silt-clay ... sediment cohesion and more resistance to root penetration (Handley and Davy, 2002) Moreover, decreased pore water exchange with the water column can lead to too much nutrients and release of sulfides...

Ngày tải lên: 05/09/2013, 09:38

... 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...

Ngày tải lên: 27/10/2013, 01:15

... [see Figure 1] big enough to contain a Man and an electrical Stand From the Middle of the Stand let an Iron Rod rise, and pass bending out of the Door, and then upright 20 or 30 feet, pointed very ... with insulated rods and in using protective rods with faulty ground connections Nollet used Richmann's death to heighten the public's fears and to generate opposition to both types of rods. 8 In London, ... should disarm the clouds of heaven, and almost "snatch from his hand the sceptre and the rod!" The ancients would have enrolled him with Bacchus and Ceres, Hercules and Minerva His Paratonnerres erected...

Ngày tải lên: 28/10/2013, 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...

Ngày tải lên: 04/11/2013, 13:15

... 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...

Ngày tải lên: 10/12/2013, 17:15