cra

Objective: To study the hemodynamics of posterior ciliary artery ( PCA) and central retinal artery ( CRA) in diabetic retinopathy ( DR) with color Doppler ultrasonography and the correlation between glycohemoglobin ( GHb) and hemodynamics.

目的：研究糖尿病患者视网膜中央动脉（CRA）、睫状动脉（PCA）的血流变化规律以及视网膜中央动脉血流参数与糖化血红蛋白（GHb）间的相关性。

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Conclusion: There have already been hemodynamic changes in CRA and CRV in those diabetic patients without orbital lesions.

结论：糖尿病患者在眼底尚无改变时，其视网膜动、静脉均已发生血流动力学变化。

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The Century Zn Pb Ag deposit, located about 250 km north northwest of Mount Isa, Queensland, was discovered by CRA Exploration in 1990 following several years of regional area selection studies and initial reconnaissance field work.

世纪锌铅银矿床由CRA公司于1990年发现，并进行勘探。

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The Influence of Immunological Therapy on the CRA Level of EHF Patients

输新鲜血浆对EHF中晚期病人CRA水平影响的研究

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Chronic respiratory alkalosis ( CRA ) , CRA plus metabolic alkalosis and metabolic acidosis are seldom.

慢性呼吸性碱中毒 、 性呼吸性碱中毒并代谢性碱中毒和代谢性酸中毒是少见的.

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Objective To evaluate the value of transvaginal ultrasound in contraceptive ring abnormality ( CRA).

目的探讨阴道超声检查节育环异常的价值。

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It suggests that the blood velocity of CRA is mainly affected by the viscosity.

提示视网膜中央动脉血流速度受血液粘度影响较大。

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Before and after drinking AMB , the activities of IgG, IgM, IgA, C 3, C 4, CIC, CRA and the levels of the SIL-2 R were detected.

检测其服用前后的IgG 、 IgM 、 IgA 、 C_3 、 C_4 、 循环免疫复合物(CIC), 补体溶解免疫复合物活性(CRA)以及可溶性白细胞介素2受体(SIL-2R)的水平.

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The flow velocity in RD belts was lower than CRA.

网脱带上大多数可探及血流信号，其流速低于CRA；

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PSV were significantly lower in the CRA of involved eyes of patients with RVO compared with their clinically healthy eyes.

结果RVO患眼、对侧临床健康眼CRA的PSV和EDV均显著低于正常对照眼，RVO患眼PI显著高于正常对照眼；

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OA and CRA Hemodynamic Parameter in Normal Eyes

正常人眼动脉及视网膜中央动脉血流参数测定

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CRA is better than other methods for suppressing random noise on keeping amplitude.

就保幅能力而言，该方法优于其它压制随机噪声的方法。

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