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News Article | December 6, 2016
Site: www.prweb.com

STI Travel, part of the Central Holidays family of travel brands, continues on its expansion path with the launch of a new partnership with the Abu Dhabi Tourism & Culture Authority to boost tourism to the destination. The company is working to create awareness about this welcoming and amazing destination and to increase bookings with the amazing experiences throughout Abu Dhabi – one of the hottest travel destinations in the world that offers a distinctive blend of a cosmopolitan city life coupled with captivating culture & heritage. Glittering like a mirage, Abu Dhabi is a shining gem of the United Arab Emirates. It's a place where East and West meet and mix in perfect combination, mesmerizing travelers at every turn. The destination has a world-renown reputation as one of the globe's most attractive and rapidly developing leisure travel spots with unrivaled Arabian hospitality to boot. Abu Dhabi is an intriguing land that seamlessly presents old-world souks and elegant modern shopping malls, rolling sand dunes and championship grass golf courses, remote Bedouin villages and an expansive array of utltra-luxe hotels. Abu Dhabi also hosts a number of great annual events such as the Formula 1 Etihad Airways Abu Dhabi Grand Prix, Abu Dhabi Food Festival, Abu Dhabi HSBC Golf Championship, Abu Dhabi Art, and so much more. It’s a destination that offers a remarkably diverse array of experiences for all to enjoy. Central Holidays’ Discover Abu Dhabi with Dubai travel program, starting at $730 (land-only), features a six day stay in this distinctive destination with plenty of time to delve into the area’s treasures. Here, travelers will visit the Dubai Museum in the Al-Fahidi fortress, shop for exotic spices, and explore the imposing Grand Mosque. The program includes visits to the Heritage Village, Gold Souk and the Date Market. A visit to the Al Ain National Museum and Sheikh Zayed Palace Museum, is a must, as is a trip to the camel race track. Travelers will explore a date palm grove with the ancient 'falaj' and head to Jebel Hafeet, the great mountain that enjoys an awe-inspiring location overlooking the beauty of Al Ain city. As well, the hot springs situated at the foot of the mountain welcome travelers to soak in their healing waters. The open air marketplaces of Souk Al Arsa and Blue Souk surge with excitement, featuring hundreds of local traders and souvenirs to consider taking home. Here visitors can enjoy traditional music & dancing, and exotic cuisine. With time at leisure, adventurers can see the incredible Jumeirah Mosque, the benchmark of modern Islamic architecture, and take-in the views of the Burj Al Arab – the recognizable sail-shaped building that is considered to be the only 7-star hotel in the world. From its remarkable buildings boasting some of the world’s most stunning architecture to its old world customs that offer glimpses into the past, travelers will sample Abu Dhabi's blend of past meets present at every turn. “At STI Travel by Central Holidays, we are thrilled to showcase the magic and mystique of Abu Dhabi with outstanding opportunities to live the grandeur of this destination firsthand. Our destination experts know the ins and outs of this city and are on hand for our travel agent partners to deliver the best in travel for their clients,” said Jimmy Zitani, Vice President of Sales for the Central Holidays family of companies. To Book: For more information, to book this splendid “Discover Abu Dhabi” travel package call 1-800-935-5000. About STI Travel STI Travel USA, part of the award-winning Central Holidays family of travel brands, takes travelers to experience “carefully orchestrated journeys” – as their motto says – to an ever-increasing array of destinations in Europe, Asia, Africa, South America and Central America. The company provides tailor-made programs focused on creating cherished memories of discovery, enjoyment, and relaxation where every destination, cruise, cultural circuit, safari and sea resort vacations can be relished individually or in groups. From its US-based team to their offices in Egypt and throughout the Middle East, STI is with travelers every step of the way…from the planning stages, to your enjoying the adventure of their dreams, and beyond. For additional information visit the company online at sti-travel.com. About Central Holidays Founded in 1972, Central Holidays offers superior travel programs, value, and service to enchanting destinations across the globe. Destinations include Italy, Spain, Portugal, France, Cyprus, Greece, Turkey, and Croatia. The company also offers dozens of Mediterranean and European river cruise itineraries, worldwide ski programs, religious pilgrimage travel, as well as people-to-people educational exchange travel to Cuba! The company’s sister brand, STI by Central Holidays, presents novel travel opportunities throughout Central and South America, Africa, and the Middle East. Central Holidays and its family of travel companies remain at the forefront of the global tourism and travel industry, offering the most diverse range of travel programs that support brand promises of reliability, expertise, and flexibility. For more information, contact Central Holidays at 1-800-935-5000 or visit centralholidays.com.

Zhang R.,Palace Museum | Yue L.,Shaanxi Provincial Institute of Archaeology | Yang J.,Shaanxi Provincial Institute of Archaeology
Journal of Nanoscience and Nanotechnology | Year: 2016

The samples of river snail shell pieces, unearthed from Laoniupo Shang dynasty site, were observed and characterized by SEM, Raman and IR to obtain the information about their chemical component and crystal structure. The uneven surface of the cuticle was covered with nanoparticles, which formed rough surface of the shells. The surface of pearl layer was combined with nano-sized flakes and kept smooth on the whole. The insection of shell was composed of three layers: the cuticle (100-120 μm in thickness), the prismatic layer (∼130-140 μm in thickness), and the thickest pearl layer (280-300 μm in thickness). All layers had the component of calcium carbonate with aragonite structure and they were different in nanostructures because of different biomineralization processes. Copyright © 2016 American Scientific Publishers. All rights reserved.

Luo J.,Northwest University, China | Xu K.,Northwest University, China | Wang M.,Northwest University, China | Song J.,Palace Museum | And 3 more authors.
Bulletin of the Korean Chemical Society | Year: 2010

Two new energetic organic alkali metal salts, 1,1-diamino-2,2- dinitroethylene rubidium salt [Rb(FOX-7)•H2O] and 1,1-diamino-2,2- dinitroethylene cesium salt [Cs(FOX-7)•H2O], were synthesized by reacting of 1,1-diamino-2,2-dinitroethylene (FOX-7) and rubidium chloride or cesium chloride in alkali methanol aqueous solution, respectively. The thermal behaviors of Rb(FOX-7)•H2O and Cs(FOX-7)•H2O were studied with DSC and TG methods. The critical temperatures of thermal explosion of the two compounds are 216.22 and 223.73 oC, respectively. Specific heat capacities of the two compounds were determined with a micro-DSC method, and the molar heat capacities are 217.46 and 199.47 J mol1 K1 at 298.15 K, respectively. The adiabatic times-to-explosion were also calculated to be a certain value of 5.81-6.36 s for Rb(FOX-7)•H2O, and 9.92-10.54 s for Cs(FOX-7)•H2O. After FOX-7 becoming alkali metal salts, thermal decomposition temperatures of the compounds heighten with the rise of element period, but thermal decomposition processes become intense.

Hu Y.,Northwest University, China | Ma H.-X.,Northwest University, China | Li J.-F.,Northwest University, China | Gao R.,Northwest University, China | Song J.-R.,Palace Museum
Bulletin of the Korean Chemical Society | Year: 2010

Seven fully optimized geometries of 3,6-dihydrazino-1,2,4,5-tetrazine (DHT) dimers have been obtained with density functional theory (DFT) method at the B3LYP/6-311++Glevel. The intermolecular interaction energy was calculated with zero point energy (ZPE) correction and basis set superposition error (BSSE) correction. The greatest corrected intermolecular interaction energy of the dimers is 23.69 kJ•mol-1. Natural bond orbital (NBO) analysis is performed to reveal the origin of the interaction. Based on the vibrational analysis, the changes of thermodynamic properties from the monomers to dimer with the temperature ranging from 200.0 K to 800.0 K have been obtained using the statistical thermodynamic method. It was found that the hydrogen bonds dominantly contribute to the dimers, while the binding energies are not only determined by hydrogen bonding. The dimerization process can not occur spontaneously at given temperatures.

Zhang X.-B.,Northwest University, China | Ren Y.-H.,Northwest University, China | Ren Y.-H.,Xi'an Modern Chemistry Research Institute | Li W.,Xi'an Modern Chemistry Research Institute | And 4 more authors.
Journal of Coordination Chemistry | Year: 2013

Two energetic strontium(II) complexes with nitrogen-rich 3,6-bis(1H-1,2,3,4-tetrazol-5-yl-amino)- 1,2,4,5-tetrazine (BTATz) were synthesized. The metal complexes were characterized by IR, elemental analysis, and single-crystal X-ray diffraction. DSC and TG-DTG were used to study the thermal behavior, non-isothermal decomposition reaction kinetics, self-accelerating decomposition temperature (TSADT), thermal ignition temperature (TTIT), critical temperature of thermal explosion (Tb), and the adiabatic time-to-explosion (tTIad). The data indicate competitive energetic materials. © 2013 Taylor and Francis.

Zhou Q.,Palace Museum | Zhou Q.,Beijing University of Technology | Yan W.,Beijing University of Technology | Ji J.,Beijing University of Technology
Tumu Gongcheng Xuebao/China Civil Engineering Journal | Year: 2013

The Wenchuan earthquake in 2008 had caused serious damages of many modern buildings but relatively slight damages of Chinese ancient wooden buildings. To find out aseismic mechanism of these ancient structures, Taihe Palace in the Forbidden City was taken as example for analysis. Besides layout, its components such as basement, column, tenon-mortise joint, Tou-Kung (bracket sets), beam structure, roof, wall and so on were all considered to discuss their effects to aseismic performances of the whole structure. Results show that layout of Taihe Palace is reasonable, which can avoid torsion mode of itself; its column roots are set on stone bases by free-standing means, which can absorb part of earthquake energy by sliding motions of column roots; its tenon-mortise joints and Tou-Kungs can consume part of earthquake energy by frictions and compressions among their components; low ratio of height against width of its beam structure can avoid sliding as well as overturn under earthquakes; its thick roof may enhance stability of the whole structure; finally the wall components can reduce deformation of wooden frames under earthquakes.

Zhou Q.,Palace Museum | Zhou Q.,Beijing University of Technology | Yan W.,Beijing University of Technology
Applied Mechanics and Materials | Year: 2012

To protect Chinese ancient wooden buildings, by simulation means a decayed wooden beam of an ancient building in the Forbidden City was taken as example to study its bearing performances after strengthened by steel bands and bolts. The ancient wooden beam was found to decay on its forepart. The decayed part of beam was considered to be replaced by new wooden part, which connected with old part of beam by bolts and steel bands. Finite element model of the strengthened beam was built considering swivel type of boundary conditions. By contact analysis of ANSYS program, distortion value, compression, tension as well as contact stresses of the strengthened beam under vertical loads were obtained, feasible strengthening suggestions were proposed. Results show that inner forces and distortion value of the strengthened beam are within permission scopes, thus the strengthening method is feasible. © (2012) Trans Tech Publications, Switzerland.

Zhou Q.,Palace Museum
Applied Mechanics and Materials | Year: 2014

To protect Chinese ancient buildings, tou-kung (bracket sets) in the Forbidden City in Beijing were taken as example to study their aseismic constitution problems and strengthening methods by survey as well as analysis methods. According to constitution characters and mechanical performances of these tou-kungs, their typical aseismic constitution problems were summed up, causes for the problems were discussed, and strengthening advices were proposed. Results show that typical aseismic constitution problems of these tou-kungs include decay, crack, deflection, slack and disengage of parts and so on; main causes relate not only to constitution, construction and bearing performances of bracket sets, but also material properties of wood; besides, effectively strengthening methods for these tou-kungs include reassembling, gluing, iron components connection and so on. © (2014) Trans Tech Publications, Switzerland.

Fang L.,Palace Museum | Hou C.,Palace Museum | Su Y.,Palace Museum
Proceedings of the DigitalHeritage 2013 - Federating the 19th Int'l VSMM, 10th Eurographics GCH, and 2nd UNESCO Memory of the World Conferences, Plus Special Sessions fromCAA, Arqueologica 2.0 et al. | Year: 2013

Virtual restoration and reconstruction based on digital technology has been widely applied in protecting and exhibiting the cultural heritage in China. The 'digital heritage' which is produced by such virtual restoration and reconstruction technology has been enriched. This paper analyzes the ideas and technologies in practical cases and summaries with three modes. Besides, the importance of accuracy evaluation criterion of the 'digital heritage' is emphasized from the perspective of sustainable development. © 2013 IEEE.

Zhou Q.,Palace Museum
Applied Mechanics and Materials | Year: 2014

Free-standing museum cultural relics are easy to fall off exhibition booth and get damaged under earthquakes. To find an effective method to mitigate damage of cultural relics due to fall off, influences of soft pad under relic was studied by ANSYS/LS-DYNA program. A bronze relic supported by a soft pad was selected for analysis. Based on material properties of both the relic and the pad, finite element model of the relic was built. By simulation, Von mises stress distributions, acceleration response curves as well as kinetic energy curves of the relic were obtained; effects of the soft pad to mitigate damage of the relic were discussed. Results show that collision between the falling museum cultural relic and ground can be mitigated by soft pad due to its buffer as well as energy absorption effects. It is suggested to use soft pad under relic to provide protection. Besides, by ANSYS/LS-DYNA program, falling off process of free-standing museum cultural relics can be effectively simulated. © (2014) Trans Tech Publications, Switzerland.

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