نتایج جستجو برای: shot holes
تعداد نتایج: 55634 فیلتر نتایج به سال:
conclusions this study shows lower anti-hbs among students who were vaccinated at infancy compared to those vaccinated at older childhood or adolescence. also, subsequent measurement of anti-hbs level at the time of entrance to university is recommended for all previously immunized students. results vaccination coverage rates were 74.1%. about half the participants didn’t show serological evide...
Gun Shot residues (GSR) are important physical evidence because of their potential, wide distribution and difficulty in destruction. To overcome the disadvantages traditional detection methods, such as time-consuming, relying on large instruments weak intuition, Ga/Eu3+/DPA rare earth complex probes were synthesized for quantitative Cu2+ shooting by hydrothermal method. The morphological size, ...
We propose a new method to detect gravitational waves, based on spatial coherence interferometry with stellar light, as opposed the conventional temporal laser sources. The proposed detects waves by using two coherent beams of light from single distant star measured at separate space-based detectors long baseline. This can be applied either amplitude or intensity interferometry. experiment allo...
A pepper-pot diagnostic device was developed to accurately and robustly retrieve particle distribution in horizontal vertical phase spaces by single-shot emittance measurements. Two masks that differ both composition manufacturing method were fabricated: one made of phosphor bronze an optical lithography process, another stainless steel (SUS) laser cutting. Scanning electron microscope measurem...
Wave-equation based shot-record migration provides accurate images but is computationally expensive because every shot must be migrated separately. Shot-encoding migration, such as random shot-encoding or plane-wave migration, aims to reduce the computational cost of the imaging process by combining the original data into synthesized common-source gathers. Random shot-encoding migration and pla...
Modern diesel engines should have higher pollutant emissions standards with better performance and by using split injection strategies which could optimize the air – fuel mixture, this purpose could be achieved. After achieving the successful validation between modeling and experimental results for both single and double injection strategies, for the first time and in this paper, double i...
in order to evaluate the efficiency of biocontrol agents of corn stem borer ,ostrinia nubilalis, experiment was conducted in a randomized complete block by five treatments and four replication, including, indoxacarb (avant)®, trichogrammawasps, bacillus thuringiensis var: kurstaki, integration of trichogramma sp. and bt., and control as treatments number 1 to 5. in treatments with parasitoid re...
Basketball coaches at all levels use shot charts to study shot locations and outcomes for their own teams as well as upcoming opponents. Shot charts are simple plots of the location and result of each shot taken during a game. Although shot chart data are rapidly increasing in richness and availability, most coaches still use them purely as descriptive summaries. However, a team’s ability to de...
Introduction: The velocity distribution of impact ejecta from regolith-like target has been investigated in laboratory for nearly three decades. For the case of vertical impact, the ejecta velocity distribution is determined experimentally and given by a power-law with an exponent of –1.22 [1]. There is an upper limit to the ejecta velocity (Hartmann cutoff velocity) that depends on impact velo...
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