نتایج جستجو برای: total halogens tx
تعداد نتایج: 811418 فیلتر نتایج به سال:
Introduction Tx-SENSE is used to reduce the pulse length of 2D and 3D spatially selective RF pulses. The design of array coils for Tx-SENSE applications is complimentary to the design of an array for Rx parallel MRI. Therefore, Tx-array elements that have B1 field distributions that are completely orthogonal may allow the complimentary effect of data compression [1] but on the transmit side for...
Phased arrays in 5G millimeter wave (mmW) communication are used at both link ends to separate users and enhance the range. The radio hardware’s RF performance metrics vary due part-to-part variations within component tolerances. In this paper, we derive probability density functions (PDFs) of over-the-air (OTA) transmission (TX) powers for individual transmitter (Tx) paths total TX power mmW a...
In the present studies we sought to address the following questions: do chronically transplanted intrahepatic islets (IHI-Tx) secrete insulin in a coordinate pulsatile manner, and, if so, is reestablishment of this coordinate pulsatility a function of time after transplantation? We studied isolated perfused livers at 10 mM glucose from 27 rats rendered diabetic with streptozotocin and then tran...
The past 30 years have witnessed a period of significant expansion in the use of halogenated compounds in the field of agrochemical research and development. The introduction of halogens into active ingredients has become an important concept in the quest for a modern agrochemical with optimal efficacy, environmental safety, user friendliness and economic viability. Outstanding progress has bee...
Reactive halogen species, released by sea-salt activation, offer a class of reactants of utmost importance for heterogeneous reactions with organic aerosols. To study the interaction of organic aerosols with these halogen species, secondary organic aerosol (SOA) was produced from α-pinene, catechol and guaiacol (Ofner et al., 2011) in a 700 L glass smog-chamber and in a 3500 L Teflon smog-chamb...
Reactive halogen species (X*=X, •X−2 , X2 and HOX, where X=Br, Cl, or I) in seawater, sea-salt particles, and snowpacks play important roles in the chemistry of the marine boundary layer. Despite this, relatively little is known about the steady-state concentrations or kinetics of reactive halogens in these environmental samples. In part this is because there are few instruments or techniques t...
the biobreeding- diabetes prone (bb-dp) rat spontaneously develops an autoimmune diabetic syndrome that is dependent on the rt1 u major histocompatibility complex (mhc) haplotype and homozygosity for an allele at the lymphopenia (lyp) locus. lyp mutation is responsible for a peripheral t -lymphopenia. there are other genetic loci contributing to diabetes susceptibility in this strain. bb rats c...
این کار شامل دو بخش بود: 1- در این تحقیق، جذب سطحی کنگورد روی سلولز در مخلوط های دو تایی آب- الکل شامل اتانول، 1-پروپانول،2-پروپانول،t-بوتانول و در حضور nacl وnaoh در دماهای مختلف مورد مطالعه قرار گرفت. مشخص شد که با افزایش درصد وزنی الکل ها جذب سطحی کنگورد کاهش می یابد. از طرف دیگر جذب سطحی کنگورد در حضور naclو naoh افزایش می یابد. همدما های جذب سطحی شامل دو ناحیه بودند. در ناحیه اول مولکول ه...
اگر~ یک رابطه روی r^n باشد وt یک عملگر خطی از r^n به r^n باشد، t را نگه دارنده خطی ~ کوییم هرگاه tx~ty، x~y را نتیجه دهد.t را نگه دارنده قوی ~ گوییم هرگاه x~y اگر و تنها اگر tx~ty . برای دو بردار x,y در r^n گوییم y بردار احاطه ساز سه قطری تعمیم یافته x است (باx?_gt y نمایش داده می شود) هرگاه ماتریس سه قطری تصادفی مضاعف d وجود داشته باشد به طوری که x=dy. علاوه بر این اگر y?_gt x آن را با نماد x~...
This paper investigates the channel impulse response (CIR), i.e., molecule hitting rate, of a molecular communication (MC) system employing an absorbing receiver (RX) covered by multiple non-overlapping receptors. In this system, receptors are heterogeneous, they may have different sizes and arbitrary locations. Furthermore, we consider two types transmitter (TX), namely point TX membrane fusio...
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