نتایج جستجو برای: دوزیمتر ترمولومینسانس tld
تعداد نتایج: 1062 فیلتر نتایج به سال:
Second-order calibration and multivariate spectroscopic-kinetic measurements in the visible region are proposed to improve the Jaffé method for creatinine assay. Analyses performed on synthetic mixtures containing bilirubin, glucose, and albumin confirm that second-order calibration is useful for creatinine determination in human serum. Quantitative determinations of creatinine with the paralle...
This paper studies the DNS cache effects that occur on query distribution at the CN top-level domain (TLD) server. We first filter out the malformed DNS queries to purify the log data pollution according to six categories. A model for DNS resolution, more specifically DNS caching, is presented. We demonstrate the presence and magnitude of DNS cache effects and the cache sharing effects on the r...
In the early years, the routine personal dosimetry at the Nuclear Research CenterNegev was performed by using photographic films. In 1975, the TLD method was introduced. The routine personal dosimetry was performed by using the LiF:Mg, Ti phosphors (G-1 cards), and employing an automatic Harshaw 2271 reader. The heating of the phosphor was performed by a hot finger, and the integral light outpu...
Öz Amaç: Bu çalışmada meme kanseri nedeniyle radyoterapi alan gerçek hastayı taklit eden bir fantom üzerinde farklı organlarda absorbe edilen doz araştırılmıştır. Farklı organlardaki ortalama için tedavi planlama sistemi (TPS) ve termolüminesans dozimetre (TLD) ölçümleri karşılaştırılmıştır. Gereç Yöntemler: Alderson kadın rando sol dokusu hedef hacmi olarak seçildi. Varian DHX cihazında teknik...
The implementation of maximum likelihood parallel factor analysis (MLPARAFAC) in conjunction with the direct exponential curve resolution algorithm (DECRA) is described. DECRA takes advantage of the intrinsic exponential structure of some bilinear data sets to produce trilinear data by a simple shifting scheme, but this manipulation generates an error structure that is not optimally handled by ...
Spoken word recognition, during gating, appears intact in specific language impairment (SLI). This study used gating to investigate the process in adolescents with autism spectrum disorders plus language impairment (ALI). Adolescents with ALI, SLI, and typical language development (TLD), matched on nonverbal IQ listened to gated words that varied in frequency (low/high) and number of phonologic...
خلاصه: سابقه و هدف: در رادیوگرافی پانورامیک محافظ تیروئید بدلیل ایجاد ارتیفکت بطور روتین استفاده نمی شود. در این مطالعه بر انیم تا تاثیر استفاده نوع خاصی از شیلد محافظ ( AKTIF EP 316 ) را بر دوز جذبی غده تیروئید مراجعین به یک کلینیک خصوصی شهر تهران در سال 93-1392 مورد بررسی قرار دهیم. مواد و روشها: این تحقیق با طراحی کارآزمایی بالینی بر روی 20 مرد که از لحاظ قد , وزن و سن همسان بوده و دستور...
tuned liquid dampers (tld) are among passive control devices that have been used to suppress the vibration of structures in recent years. these structures must be adequately presentable as an equivalent single degree of freedom system with long fundamental period. the tld, located at the top floors of the structure, can dissipate the external input energy into the system through the sloshing ef...
Tuned Liquid Dampers (TLD) are among passive control devices that have been used to suppress the vibration of structures in recent years. These structures must be adequately presentable as an equivalent single degree of freedom system with long fundamental period. The TLD, located at the top floors of the structure, can dissipate the external input energy into the system through the sloshing ef...
Tuned Liquid Dampers (TLD) are among passive control devices that have been used to suppress the vibration of structures in recent years. These structures must be adequately presentable as an equivalent single degree of freedom system with long fundamental period. The TLD, located at the top floors of the structure, can dissipate the external input energy into the system through the sloshing ef...
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