نتایج جستجو برای: tuber percent with diameter 55 millimeter
تعداد نتایج: 9260986 فیلتر نتایج به سال:
UNLABELLED Femoral intramedullary implants were constructed by threading 4.0-millimeter-thick disks with a titanium-alloy (Ti-6Al-4V) porous bead coating onto a two-millimeter-diameter threaded rod. Each porous-coated disk, which was 6.0, 8.0, 9.0, or 10.0 millimeters in diameter, was separated by a two-millimeter-thick acrylic disk with a diameter of ten millimeters. Implants with and without ...
Suburethral tapes are placed "tension-free" below the urethra. Several studies reported considerable differences of the distance between urethra and tape. These distances ranged from 1 to 10 mm amongst different patients. This either caused urethral obstruction or had no effect on urinary incontinence. Therefore, we decided to standardize the procedure by placing a Hegar dilator of 8-millimeter...
BACKGROUND Zidovudine therapy is of benefit in the treatment of symptomatic and asymptomatic human immunodeficiency virus (HIV) infection in persons with CD4+ cell counts of less than 500 per cubic millimeter. The efficacy, safety, and duration of benefit of zidovudine in those with 500 or more CD4+ cells per cubic millimeter are uncertain. METHODS In a double-blind, placebo-controlled trial,...
A low-cost millimeter-wave dielectric-resonator filter using a high-order whispering-gallery mode with the coupling of curved microstrip transmission line has been successfully developed for the mode selection in a millimeter-wave optoelectronic oscillator. The achieved 3-dB bandwidth of this filter is 10.5 MHz (loaded quality factor, Q, is about 3,000) or 0.03 percent at 31.5 GHz with a 3-dB i...
A 100 MeV electron laser wakefield injector based on a sub-millimeter gas cell is presented. The gas cell, used mainly to overcome the density inhomogeneity associated with gas jets, is capable of yielding a homogeneous plasma source with densities less than 2 x 10 cm. Sharp step plasma density boundaries were obtained by using the laser to drill the gas cell pinholes as small as 100 μm in diam...
This paper presents a measurement method for determining effective conductivity of copper-clad dielectric laminate substrates in the millimeter-wave region. The conductivity is indirectly evaluated from measured resonant frequencies and unloaded Q values of a number of Whispering Gallery modes excited in a circular disk sample, which consists of a copper-clad dielectric substrate with a large d...
The increasing scale of cryogenic detector arrays for submillimeter and millimeter wavelength astrophysics has led to the need for large aperture, high index of refraction, low loss, cryogenic refracting optics. Silicon with n=3.4, low loss, and high thermal conductivity is a nearly optimal material for these purposes but requires an antireflection (AR) coating with broad bandwidth, low loss, l...
Patients of 55 years of age or older were enrolled in the study. The oldest patient was 83 years old. All of them had undergone coronary angiography and thereby documented coronary artery disease. At least one coronary segment had shown a narrowing of the luminal diameter by 50 percent or more. They had not had coronary bypass surgery before inclusion in the study. Subjects enrolled in the CASS...
The article considers a dispenser-distributor with soil-transporting elements, substantiates and determines its technological design parameters. As result of the theoretical studies carried out, analytical dependences were obtained to determine diameter disk soil dispenser-distributor, height element volume required cover potato tubers. results work in field theory calculation planters are syst...
The present study used Flow-3D to investigate the effect of installing netted collars with different shapes on bridge piers. The results showed that installing netted triangular, circular, square, and rectangular collars with a hole diameter of 0.1 (d/D) reduced scouring by 49.5, 52.2, 52.7, and 56.5 percent, respectively, compared to the case with no collars. A hole diameter of 0.15 (d/D) for ...
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