quality specifications
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2021 ◽  
pp. 1-7
Author(s):  
H.S. Randhawa ◽  
R.J. Graf

AAC Paramount is a soft white spring wheat (Triticum aestivum L.) cultivar that meets the end-use quality specifications of the Canada Western Soft White Spring (CWSWS) class. AAC Paramount is adapted to the irrigated wheat growing regions of southern Alberta and southern Saskatchewan, and for dry land production in the western prairies. On average, AAC Paramount had 6% higher grain yield (under both irrigated and dry land conditions) than the check cultivar AC Andrew. AAC Paramount exhibited excellent straw strength and similar maturity to AC Andrew and Sadash but was 2 d earlier than AAC Indus. Its plant height was taller than both AC Andrew and Sadash but similar to AAC Indus. AAC Paramount exhibited high levels of resistance to the prevalent races of stripe rust, powdery mildew, and loose smut; intermediate reactions to leaf rust, stem rust, and kernel black point; was moderately susceptible to Fusarium head blight and leaf spot diseases, and susceptible to common bunt.


EDIS ◽  
2021 ◽  
Vol 2021 (6) ◽  
Author(s):  
Tracy Scheffler ◽  
Jason Scheffler ◽  
Chad Carr

This publication discusses certified beef programs and carcass quality specifications. Written by Tracy Scheffler, Jason Scheffler, and Chad Carr, and published by the UF/IFAS Department of Animal Sciences, October 2021.


2021 ◽  
Vol 1202 (1) ◽  
pp. 012028
Author(s):  
Roberts Auzins ◽  
Ainars Paeglitis

Abstract Bridges are one of the most expensive elements of the road network, and therefore in the bridge management process, it is very important to make the most technically efficient and cost-effective decisions about planned actions such as maintenance, rehabilitation and reconstruction works. Decisions have to be based both on the current situation and possible future options and alternatives. The European Cooperation in Science and Technology (COST) during the action TU 1406 “Quality specifications for roadway bridges, standardization at a European level (BridgeSpecs)” in the period from 2014 to 2019 has developed the framework for the development of bridge Quality Control Plans (QCP) including the system of data collection, data processing and outcomes. This article analyses and compares different Quality Control Plans developed according to COST TU 1406 methodology for the existing bridge over the river Maza Jugla, located on regional road P10 at km 34.80 in Latvia.


2021 ◽  
Vol 2118 (1) ◽  
pp. 012014
Author(s):  
J Carrillo ◽  
N Guerrero ◽  
O Arroyo ◽  
A Rodríguez

Abstract In recent years, the use of steel fibers has increased in Colombia, optimizing structure designs, quality specifications and mechanical behavior. However, the concrete durability and resistance to aggressive environments such as sulfates and chlorides are not commonly evaluated. This paper includes results of durability analysis for 21 MPa compressive strength concretes reinforces with steel and synthetic fibers. Performance parameters measured during tests include sulfate resistance, chlorides penetration, and carbonation according to technical standards. The Variables of experimental program were fiber type and fiber dosage. Dosages for synthetic fibers were 1.5 kg/m3, 3.0 kg/m3 and 5.0 kg/m3, and for steel fibers were 5.0 kg/m3, 9.0 kg/m3 and 18 kg/m3. Results of the study were used to propose recommendations for reducing concrete deterioration when exposed to these aggressive environments and for extending the durability service life.


2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Ke Lu ◽  
Shanyong Zhao ◽  
YUjie Ma ◽  
Shangjing Wu ◽  
Cheng da Su

Purpose This paper aims to present an investigation on flight quality analysis and design of tilt-rotor aircraft combined with corresponding flight quality specifications. Design/methodology/approach From the perspective of modal characteristics of tilt-rotor aircraft, it focuses on the analysis of the change rules of the longitudinal short-term motion mode, lateral roll convergence mode, spiral mode and Dutch roll mode. Then, the flight quality design research is carried out using the explicit model tracking control method. The quantitative relationship between flight quality requirements and explicit model is established. Accordingly, the closed-loop flight quality of XV-15 tilt-rotor aircraft is evaluated. Findings The stability of spiral mode is the result of the interaction of various aerodynamic derivatives and spiral instability occurs in helicopter mode. The other motion modes are stable in full flight mode and meet the requirements of level 1 specified in ADS-33E-PRF and MIL-F-8785C flight quality specifications. There is a quantitative relationship between flight quality requirements and explicit model, and the flight quality of tilt-rotor aircraft is improved through the explicit model tracking control method. Practical implications The presented analysis results showed the influence of motion modes and flight quality and the effectiveness of explicit model tracking control method in flight quality improvement, which could be considered as new information for further flight quality design of tilt-rotor aircraft. Originality/value The originality of the paper lies in the proposed design and analysis method of the flight quality of tilt-rotor aircraft from the direction of the influence of its aerodynamic derivatives and motion modes.


2021 ◽  
Vol 63 (5) ◽  
pp. 10-16
Author(s):  
Thanh Quang Vu ◽  
◽  
Ngoc Khoan Ha ◽  
Thanh Rin Bui ◽  
Trung Dung Nguyen ◽  
...  

18Fluoromethylcholine (18F-Choline, 18F-FCH) has been produced using a home-made automatic synthesiser at 30 MeV Cyclotron Centre, 108 Military Central Hospital. In order to be licensed using for patients, the 18F-FCH radiopharmaceutical needs to meet the required quality specifications listed in the pharmacopeia. The objective of this study was to build up the analytical procedure and to perform for the 18F-FCH quality control followed the EuPh2017 pharmacopeia for the PET radiopharmaceutical. The result obtained confirmed that the total time to complete the test of one sample of the 18F-FCH was less than 35 min. Identifications of 18F-FCH, radiochemical purity, and 18F content were determined with accuracy >96% by High-performance liquid chromatography (HPLC) method and content of residual solvents consists of Ethanol, Acetonitrile, Dibromomethane, Dimethylethanolamine were determined with the accuracy >97% by Gas chromatography (GC) method.


Author(s):  
Shahar Maoz ◽  
Jan Oliver Ringert

AbstractWe introduce Spectra, a new specification language for reactive systems, specifically tailored for the context of reactive synthesis. The meaning of Spectra is defined by a translation to a kernel language. Spectra comes with the Spectra Tools, a set of analyses, including a synthesizer to obtain a correct-by-construction implementation, several means for executing the resulting controller, and additional analyses aimed at helping engineers write higher-quality specifications. We present the language in detail and give an overview of its tool set. Together with the language and its tool set, we present four collections of many, non-trivial, large specifications, written by undergraduate computer science students for the development of autonomous Lego robots and additional example reactive systems. The collected specifications can serve as benchmarks for future studies on reactive synthesis. We present the specifications, with observations and lessons learned about the potential use of reactive synthesis by software engineers.


Work ◽  
2021 ◽  
pp. 1-10
Author(s):  
Bengt Halling ◽  
Mikael Bergman ◽  
Katarina Wijk

BACKGROUND: Managers have an important role in the creation of workplace conditions that prevent sick leave and lead to high performance. In Lean, the assumption is that people are the source for continuous improvements. There is a need for more knowledge about what kind of leadership can help managers in a lean context to create workplace conditions for less sick leave and higher performance. OBJECTIVE: The purpose of this study was to examine how productivity and rate of sick leave changed at a stainless wire manufacturing unit after implementing a new leadership approach based on Sense of Coherence theory (SOC) and lean philosophy. METHODS: In this case study, interventions coupled with productivity, quality and sick leave evaluations through the company’s key performance indicators were performed. The follow-up was also based on narrative descriptions from the management team in the course of four meetings during the intervention. Notes were taken and analyzed regarding perceived outcomes of the intervention. RESULTS: The results showed that leadership based on SOC and lean philosophy is positively correlated with productivity per worker, as was the amount of yearly production that met the quality specifications. The amount of sick leave decreased during the period of the intervention compared to before the intervention. CONCLUSIONS: Changes in management contribute to productivity. Combining Lean tools and Lean philosophy with the Sense of coherence theory (SOC) as a base for leadership can influence productivity and decrease the rate of sick leave.


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