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Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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Cylinder stress - Wikipedia
Cylinder stress - Wikipedia

l is the ,axial length, of the cylinder. An alternative to hoop stress in describing circumferential stress is wall stress or wall tension (T), which usually is defined as the total circumferential force exerted along the entire radial thickness: =

Calculating for Success: IOLs in Difficult Eyes
Calculating for Success: IOLs in Difficult Eyes

10/1/2017, · Short ,Axial Length, In eyes with short ,axial length, the biggest challenge to a good refractive outcome is that the actual implant position may be more anterior in the eye than the estimated effective lens position indicates, causing calculation of an overpowered lens and a myopic surprise.

Axial Length Measurements Interpretation IOLMaster V.5 ...
Axial Length Measurements Interpretation IOLMaster V.5 ...

Note Ultrasonic biometrical instruments measure the ,axial length, as the distance between the cornea and the inner limiting membrane, because the sound waves are reflected at this membrane.. To ensure that the measured values obtained with the ,IOLMaster, are compatible with those obtained through acoustic ,axial length, measurement, the system automatically adjusts for the distance difference ...

The relationship between axial length age and intraocular ...
The relationship between axial length age and intraocular ...

The ,axial length, was defined as the distance from the wave representing the anterior corneal surface to the wave representing the retina at the macula. In each patient, the machine recorded five accurate ,axial length, measurements and gave an average reading of all measurements.

A Mismatch between myopia and axial length | Neuroptometry
A Mismatch between myopia and axial length | Neuroptometry

Atchison et al showed that the average emmetropic eye is 23mm long, with every 1D of myopia equivalent to a 0.35mm increase in ,axial length, in adults aged between 18-36. 1 If we were to make the calculations based on these assumptions, one would estimate the female patient’s ,axial length, to be roughly 24.49mm and the male patient’s about 23.88mm.

Axial Length Measurement with the Zeiss IOLMaster
Axial Length Measurement with the Zeiss IOLMaster

Axial Length, Measurement with the Zeiss IOLMaster . 1. What should I bear in mind for taking the measurements? 1.1. General:- Let patients blink prior to each measurement.- Position instrument table, headrest and instrument properly to avoid tensed up patients and unnecessary eye movements.- When positioning the instrument to the patient (overview menu), a coarse focus will do.

Axial Length and Anterior Biometry | Vision One Eyecare
Axial Length and Anterior Biometry | Vision One Eyecare

Axial length, is the measurement of the ,length, of eyeball from cornea to retina. Myopia progression is due to elongation of the ,axial length,. The longer the ,axial length,, the higher the amount of myopia. Consequently, it increases the risk of visual impairment pathologies such as: ...

Myopia Control - Measuring the Length of the Eye
Myopia Control - Measuring the Length of the Eye

However, ,axial length, measurement is a really useful disease risk indicator as it’s the elongated growth of the eyeball that makes someone more at risk of serious eye diseases later in life. An ,axial length, of greater than 26mm indicates much higher risk of developing conditions like glaucoma, retinal detachment, macular degeneration and cataracts and therefore these patients need to be more ...

Axial length growth and the risk of developing myopia in ...
Axial length growth and the risk of developing myopia in ...

Axial length, (AL) was plotted against age, and an interpolation line was created between the matching percentiles of each age. Individual percentiles for AL at 6 and 9 years of age were calculated relative to the entire cohort, and the absolute difference between 6 and 9 years was calculated.

High Myopia and Cataract Surgery - EyeWiki
High Myopia and Cataract Surgery - EyeWiki

As ,axial length, increases, measurements may become less reliable. An estimated 70% of eyes with ,axial length, greater than 33.5 mm are estimated to have posterior staphylomata, or localized ectasia of the sclera, choroid, and retinal pigment epithelium.

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