A Q-methodology study of parental understandings of infant immunisation : implications for health-care advice.

This study used Q-methodology to explore systematically parental judgements about infant immunisation. A total of 45 parents completed a 31-statement Q-sort. Data were collected after vaccination in general practitioner practices or a private day nursery. Q factor analysis revealed four distinct viewpoints: a duty to immunise based on medical benefits, child-orientated protection based on parental belief, concern and distress and surprise at non-compliance. Additionally, there was a common view among parents that they did not regret immunising their children. Implications of these results are discussed in terms of health-care policy and future research

Ground Measurements of the Shock-Wave Noise from Airplanes in Level Flight at Mach Numbers to 1.4 and at Altitudes to 45000 Feet

Time histories of noise pressures near ground level were measured during flight tests of fighter-type airplanes over fairly flat, partly wooded terrain in the e Mach number range between 1.13 and 1.4 and at altitudes from 25,000 to 45,000 feet. Atmospheric soundings and radar tracking studies were made for correlation with the measured noise data. The measured and calculated values of the pressure rise across the shock wave were generally in good agreement. There is a tendency for the theory to overestimate the pressure at locations remote from the track and to underestimate the pressures for conditions of high tailwind at altitude. The measured values of ground-reflection factor averaged about 1.8 f or the surface tested as compared to a theoretical value of 2.0. P o booms were measured in all cases. The observers also generally reported two booms; although, in some cases, only one boom was reported. The shock-wave noise associated with some of the flight tests was judged to be objectionable by ground observers, and in one case the cracking of a plate-glass store window was correlated in time with the passage of the airplane at an altitude of 25,000 feet

Persepsi Komunikasi Pengguna Media Sosial Pada Blackberry Messenger Twitter Dan Facebook Oleh Siswa Sman 1 Tahuna

: The perception of communication of social media Users (Blackberry Messenger, Twitter, and Facebook) at Students of SMAN 1 Tahuna. Preface: Social media is rated as a result of technology that is disappearance by many people. Pros and cons come up from conventional and modern class of people. Conventional class of people evaluate that social media does not make human beings grow communicatively with other human beings. Medium theory believes that when technology is integrated with a ‘lifestyle', perhaps human beings will be difficult to live (David Holmes. 2012 : 383). Generally, modern human beings try to adjust with their environment that demands them to expand with technology. Marshall McLuhan said in his Determinism theory about technology, “We make equipments to communicate, and finally those equipments that we used form or affect our life.” Based on the facts and the statements by the experts, the researcher saw that this is the real problem in the development of communication technology these days, especially the communication that is done in social media (Blackberry Messenger, Twitter, and Facebook). Therefore, the researcher decided to dig the perception of social media users toward the intensity of social media using, the way to communicate in social media, the messages that are delivered, and the effectiveness of communication in social media. The students of SMAN 1 Tahuna, the district of Sangihe Islands are the subjects of this research. This district was only reached out by two mobile phone providers. Method: Qualitative method was used in this research. Results: The students of SMAN 1 Tahuna were so intense in using social media because they wanted to follow the trend, be up-to-date, and because of the demand of fellowship. The messages that were delivered were exaggerated. So much time were wasted because of communicating in social media. They also used social media to release their emotions by teasing others and they felt relieved by doing that although in the end, they regretted it. On the other side, they felt satisfied when using social media. From the effectiveness of communication, social media was effective for them because they can tease others but on the other side, social media was not effective for them because many people can know the messages that were delivered. Recommendation: The students of SMA N.1. Tahuna should use social media according to their needs. They should not publish things that are connected with their emotions such as anger and sadness in social media; it is better to be delivered directly

Results of correlations for transition location on a clean-up glove installed on an F-14 aircraft and design studies for a laminar glove for the X-29 aircraft accounting for spanwise pressure gradient

Results of correlative and design studies for transition location, laminar and turbulent boundary-layer parameters, and wake drag for forward swept and aft swept wings are presented. These studies were performed with the use of an improved integral-type boundary-layer and transition-prediction methods. Theoretical predictions were compared with flight measurements at subsonic and transonic flow conditions for the variable aft swept wing F-14 aircraft for which experimental pressure distributions, transition locations, and turbulent boundary-layer velocity profiles were measured. Flight data were available at three spanwise stations for several values of sweep, freestream unit Reynolds number, Mach numbers, and lift coefficients. Theory/experiment correlations indicate excellent agreement for both transition location and turbulent boundary-layer parameters. The results of parametric studies performed during the design of a laminar glove for the forward swept wing X-29 aircraft are also presented. These studies include the effects of a spanwise pressure gradient on transition location and wake drag for several values of freestream Reynolds numbers at a freestream Mach number of 0.9

High-Precision Thermodynamics and Hagedorn Density of States

We compute the entropy density of the confined phase of QCD without quarks on the lattice to very high accuracy. The results are compared to the entropy density of free glueballs, where we include all the known glueball states below the two-particle threshold. We find that an excellent, parameter-free description of the entropy density between 0.7Tc and Tc is obtained by extending the spectrum with the exponential spectrum of the closed bosonic string.Comment: 4 pages, 3 figure

Laser frequency locking by direct measurement of detuning

We present a new method of laser frequency locking in which the feedback signal is directly proportional to the detuning from an atomic transition, even at detunings many times the natural linewidth of the transition. Our method is a form of sub-Doppler polarization spectroscopy, based on measuring two Stokes parameters ($I_2$ and $I_3$) of light transmitted through a vapor cell. This extends the linear capture range of the lock loop by up to an order of magnitude and provides equivalent or improved frequency discrimination as other commonly used locking techniques.Comment: 4 pages, 4 figures Revte

Test of the Dimopouos-Hall-Raby Ansatz for Fermion Mass Matrices

By evolution of fermion mass matrices of the Fritzsch and the Georgi-Jarlskog forms from the supersymmetric grand unified scale, DHR obtained predictions for the quark masses and mixings. Using Monte Carlo methods we test these predictions against the latest determinations of the mixings, the CP-violating parameter epsilon_K and the B_d^0--Bbar_d^0 mixing parameter r_d. The acceptable solutions closely specify the quark masses and mixings, but lie at the edges of allowed regions at 90% confidence level.Comment: 11 pages, 1 figure (not included