Introduction: Chronic otitis media (COM), a persistent and durable inflammation and infection of the middle ear, is a common disorder. Alterations in the contralateral ear in sufferers have been observed in recent years. Because only a few studies have been reported in this area, we performed this study in order to assess alterations in the contralateral ear of patients with COM.   Materials an...

Monthly mean air temperature and precipitation data, monthly dust storm frequencies (times of dust storm occurrences) of 107 stations in North China were analyzed to clarify the relationship between the climate change and dust storm occurrence. Arid regions of North China were divided into five and trends of dust storm occurrence and climate changes showed different patterns for these regions, ...

background: during spermatogenesis, the h2b family, member w (h2b.w) gene, encodes a testis specific histone that is co-localized with telomeric sequences and has the potential role to mediate the sperm-specific chromatin remodeling. previously h2b.w genetic variants were reported to be involved in susceptibility to spermatogenesis impairment. in the present study, two single nucleotide polymor...

Certain components in images can be recognized with high accuracy, for example, backgrounds such as leaves, grass, snow, sky, water. These components provide the human eye with context for identifying items in the foreground. Likewise for the machine, the identification of background should help in the recognition of foreground objects. But, in this case, the computer needs explicit lists of ob...

Autobiographical memory (AM), the recollection of past experiences, and prospective memory (PM), the prospection of future events, are prominent components of subjective life, yet data on the frequencies of their occurrence are limited. Using experience sampling, we quantified the incidence of AM and PM in natural settings among various age groups. Individuals of all ages reported engaging in A...

The aim of this study was to carry out the investigation and analysis two-stage magnetic precession gear dynamics determination resonance frequencies, which can be a cause powertrain system failures. Graphical interpretation is presented, two equations movable elements presented gearbox were determined. On basis these equations, stiffness coefficients frequencies mathematically derived. next st...

growing environmental and social concerns, both on the part of decision makers and public opinion, have brought a new perspective to the perception of hazard assessments a valid alternative in the long-term, and an effective complement in short and medium terms, to traditional design procedure for a resistant and safe environment. results of the gradual development of research on the probabilis...

We present simple and efficient algorithms for calculating qgram frequencies on strings represented in compressed form, namely, as a straight line program (SLP). Given an SLP of size n that represents string T , we present an O(qn) time and space algorithm that computes the occurrence frequencies of all q-grams in T . Computational experiments show that our algorithm and its variation are pract...

This paper describes a continuous-mixture statistical model for word occurrence frequencies in documents, and the application of that model to the TDT topic identification tasks. This model was originally proposed by Gillick [1] as a means to account for variation in word frequencies across documents more accurately than the binomial and multinomial models. Further mathematical development of t...