ADVERTISEMENT RETURN TO ISSUEPREVCommunicationNEXTHigh-Pressure Synthesis and Characterization of Incompressible Titanium PernitrideVenkata S. Bhadram*, Duck Young Kim, Timothy A. Strobel*View Author Information Geophysical Laboratory, Carnegie Institution Washington, DC 20015, United States*(T.A.S.) E-mail: [email protected]*(V.S.B.) protected]Cite this: Chem. Mater. 2016, 28, 6, 1616–1620Publication Date (Web):March 7, 2016Publication History Received5 January 2016Revised29 February...

A new monoclinic variation of Mg2C3 was synthesized from the elements under high-pressure (HP), high-temperature (HT) conditions. Formation compound, which can be recovered to ambient conditions, observed in situ using X-ray diffraction with synchrotron radiation. The structural solution achieved by utilizing accurate theoretical results obtained ab initio evolutionary structure prediction algorithm USPEX. Like previously known orthorhombic Pnnm (α-Mg2C3), C2/m (β-Mg2C3) contains linear...

Today's industry faces new challenges such as diverse customer demands, shorter product development cycles and cost pressure, which compel manufacturing firms to change their production paradigm from one-size-fits-all mass toward customisation. Over the past decades, modular design has received great attention a key enabler for customisation, component sharing platform modularity have been quite popular strategies design. While approaches offer number of advantages late differentiation...

Collaboration with suppliers is essential for developing and producing a competitive product it begins selecting the right suppliers. This article addresses supplier selection problem from perspective of configuration. We discuss first how conventional decision models should be extended, considering fact that configuration requires each subsystem product. then highlight need to consider interrelationships between suppliers, namely, supplier–supplier relationships during process combination...

It has been a challenge to find patterns in time series of sensor data for fault detection system. Since it is usually not straightforward discover meaningful features and rules directly from complex series, discretization popularly employed reduce size while preserving the original data, which choice appropriate parameters crucial. We thus present systematic procedure multivariate that includes: 1) label definition consideration estimated distribution functions signals trends signal's...

Abstract This paper introduces an easy-to-use decision support system for COllabOrative DEsign named CO2DE. We examine the particularly design concept filtering and selection stages considering importance of conceptual although proposed framework can facilitate a task, which is recurrent in many phases. First, briefly reviews what methods be applicable to each step process, then describes prerequisites mathematical method-based processes. Secondly, detailed explanation about process main...

Thermoelectric device is a promising next-generation energy solution owing to its capability transform waste heat into useful electric energy, which can be realized in materials with high conductivities and low thermal conductivities. A recently synthesized silicon allotrope of Si24 features highly anisotropic crystal structure nanometer-sized regular pores. Here, based on first-principles study without any empirical parameter we show that the slightly doped provide an order-of-magnitude...

Fault prediction and early degradation detection have received considerable attention in many engineering disciplines. symptoms can be identified by abnormal values or unusual trends the monitored sensor signals over a certain period prior to fault occurrence. However, how extract pattern, particularly those with conditional relations among multiple signals, remains unclear. Pattern extraction is further difficult when there no gradient relationship between measurements operational states...

The constantly increasing number of cars in the megacities is causing severe parking problems. To resolve this problem, many cities adopt guidance system as a part intelligent transportation (ITS). However, current stays its infant stage since obtainable information limited. enhance management megacity and to provide better drivers, study introduces an proposes new methodology operate it. introduced considers both public private so that it designed maximize use spatial resources city....

For proactive responses to customer requirements and rapidly advancing technologies, current manufacturing systems are required be increasingly adaptable reconfigurable. We present a communication framework between the coordinator, workstation agents, executors facilitate reconfiguration process of systems. The message structure interagent information exchange is extended for initiation, self-layout recognition, control program update phases reconfiguration. To provide more autonomy system...

Pressure-induced hydration of the clay mineral nacrite, Al2Si2O5(OH)4 is, in contrast to its polymorph kaolinite, partially irreversible. At ambient conditions after pressure release, a majority phase with composition Al2Si2O5(OH)4·2H2O an intense (002) diffraction peak near d ∼ 8.4 Å has been found. Both situ X-ray and simulations based on density functional theory point intercalation molecules nominally nonswelling clays specific geophysical geochemical conditions.

Designing and installing jigs fixtures for new products are very costly tasks. In order to rapidly respond frequent product changes in a manufacturing system, we developed transformable pin array fixture system including reconfiguration planning software that finds the optimal position mounting an assembly part automatically generates height control code. We first classified main fixturing quality factors such as type of contact, distance between joining point, shape. then formulate...

Background and Objective We developed a Korean version of the Functional Outcomes Sleep Questionnaire (K-FOSQ) investigated its reliability validity in simple snorer or obstructive sleep apnea (OSA) patients. Methods A total 432 participants (70% men, 84% OSA, mean age 50.0 ± 9.8 years) who were snorers had OSA included. assessed internal consistency, test-retest reliability, factor analysis, multitrait scaling concurrent K-FOSQ. Participants completed battery questionnaires including...

The analysis of standard cycle times for manual tasks has been an important subject in time and motion studies developing a standardized work process which the laborious continuous observation using measurement instrument was usually required. In order to automate this procedure, recognition method is proposed identify precise start end tasks. To do this, we consider series hand posture movement data acquired by depth-sensing camera. pattern motions made complete single task represented sign...

Many fault detection methods have been proposed for monitoring the health of various industrial systems. Characterizing monitored signals is a prerequisite selecting an appropriate method. However, tend to be decided with user’s subjective knowledge or their familiarity method, rather than following predefined selection rule. This study investigates performance sensitivity two methods, respect status signal characteristics given systems: abrupt variance, characteristic indicator, discernable...

A production capacity analysis considering market demand and raw materials is very important to design a new plant. However, in the food processing industry, supply uncertainty of high, depending on site harvest season, further, it not straightforward analyze too complex systems by using an analytical optimization model. For these reasons, this study presents simulation-based decision support model select right location for We first define three vulnerability factors from standpoint regional...

Several methods have been proposed for fault detection in mechanical systems based on sensor signals. It is preferable that corresponding label each signal should be provided and analyzed via appropriate supervised classification methods. However, the information about a system's status often does not perfectly pair to data. Therefore, we apply semi-supervised using pattern extraction of multivariate This approach transforms continuous time series into set contiguous bins discretization....