Reliability for Engineers 6 min read
Introduction to diagnostics
The reliability of many objects, machines, transport means, various appliances, or processes can be increased and operational costs can be…
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maintenance
The operational reliability and service life of machines, vehicles, various appliances, bridges, and many other long-life objects are strongly influenced…
Reliability for Engineers 13 min read
Time to Failure of Deteriorating Objects
As we have seen in Chapter 4, failure rate often changes with time (Fig. 1 there). This is because the main…
Reliability for Engineers 10 min read
Reliability of Systems
Many objects consist of more parts or elements. From reliability point of view, an element is any component or object that…
Reliability for Engineers 6 min read
Bathtub Curve
Failure rate, can change with time. Figure 1 shows the time course of λ(t) typical of nonrepairable objects, such as electrical bulbs,…
Reliability for Engineers 9 min read
Characteristics of Reliability
Reliability is usually characterized by the probability of failure or by the time to failure. If failure is considered as…
Reliability for Engineers 12 min read
probability basics
The occurrence of failures is usually accompanied by some uncertainty. This is due to many factors that we cannot control,…
Reliability for Engineers 5 min read
Basic Terms of Reliability
In matters of reliability, people from various branches — manufacturers, customers, technicians, and lawyers — must often communicate together, especially…
Quantum Dots 30 min read
Physical Reasons of Emission Varying in CdSe/ZnS and CdSeTe/ZnS Quantum Dots at Bioconjugation to Antibodies
In the last two decades, the colloidal core/shell quantum dots (QDs) of II-VI semiconductors (CdSe, CdS, CdSeTe, and ZnS) attracted…
Quantum Dots 46 min read
Quantum Dots Prepared by Droplet Epitaxial Method
The electrons “boxed up” or confined in quantum confinement and the calculation of their energy levels, which are well known…
Quantum Dots 37 min read
’Three-Orders Time-Limit’ for Phase On the ’Three-Orders Time-Limit’ for Phase Decoherence in Quantum Dots Decoherence in Quantum Dots
The notion of a quantum dot [1–3] comprises various nanometre-size semiconductor structures, manufactured by means of different technologies and resulting …
Question Answers 4 min read
Excitons and Trions in Semiconductor Quantum Dots
During the optical excitation of carriers in a semiconductor, the minimum energy re‐ quired to form free carriers is called …