نتایج جستجو برای: residual gas
تعداد نتایج: 333289 فیلتر نتایج به سال:
A triplet lattice with six-fold symmetry was originally proposed for SIS100 and presented in the Conceptual Design Report (CDR) [1]. Meanwhile the design strategy for the SIS100 lattice had to be changed and a new lattice was presented in the Technical Status Report. Especially for the planned operation with intermediate charge state heavy ions (U), a new lattice design concept was developed. M...
To fulfil the requirements of ESS on beam transmission and emittance growth a detailed knowledge of the physics of beam formation as well as the interaction of the H with the residual gas is substantial. Space charge compensated beam transport using solenoids for ion optics is in favour for the Low Energy Beam Transport (LEBT) between ion source and the first RFQ. Space charge compensation redu...
Fatigue behavior of case hardened parts depend to a great extent on the type of residual stresses developed in the components. Topography and metallurgical effects were the two elements which contribute much to surface integrity. Micro hardness of the gas carburized (EN 33 and EN 36) and Induction hardened (AISI 1040 and AISI 6150) specimens obtained during experiments, showed that there was gr...
The paper focuses on the application of neuro-fuzzy techniques in fault detection and isolation. The objective of this paper is to detect and isolate faults to an industrial gas turbine, with emphasis on faults occurred in the actuator part of the gas turbine. A neuro-fuzzy based learning and adaptation of TSK fuzzy models is used for residual generation, while for residual evaluation a neuro-f...
Background and purpose: Widespread use of plant pesticides in agriculture resulted in increasing concerns about pesticide hazards. In this research, the residual levels of pesticides in melons were evaluated by gas chromatography-mass spectrometry (GC-MS). Materials and methods: In this study, 75 samples of melons in Tehran market were used for simultaneous analysis of a variety of common pest...
Electron clouds (EC) can be the source of coherent instabilities and emittance growth in intense ion beams in synchrotrons. The electron are produced at the wall by secondary emission or by residual gas ionization. The cross sections for residual gas ionization by highly charged heavy ions are several orders of magnitude larger than for protons. Here we present simulation studies for the EC bui...
Residual solvents (RS) are not desirable substances in the final pharmaceutical product and their acceptable limits have been published in pharmacopoeias and ICH guidelines. The intension of this paper was to review and discuss some of the current analytical procedures including gas chromatographic (GC) and other alternative techniques which are used for residual solvents determination. GC meth...
In a turbocharged engine, preserving the maximum amount of exhaust pulse energy for turbine operation will result in improved low end torque and engine transient response. However, the exhaust flow entering the turbine is highly unsteady, and the presence of the turbine as a restriction in the exhaust flow results in a higher pressure at the cylinder exhaust ports and consequently poor scavengi...
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