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Objective To determine the contents of residual acetone in acetoacetic ester,the raw material for the synthesis of Edaravone, by gas chromatography.Methods Sample solution was injected on a GDX column (0.18 mm～0.25 mm) with nitrogen as the carrier gas.The residue was calculated by the external standard method.

摘要］ 目的：用气相色谱法测定依达拉奉合成起始原料乙酰乙酸乙酯中丙酮的残留量方法：采用固定相二乙烯苯乙基乙烯苯型高分子孔小球（直径为0.18 mm～0.25 mm），氮气为载气，用外标法测定乙酰乙酸乙酯中残留丙酮的含量。

METHODS: All rabbits underwent an excision of albuginea sizing 5 mm ×5 mm at dorsal penis to establish models of albuginea penis trauma, and then the excision was sutured in situ.

在兔阴茎背侧切除白膜5 mm×5 mm造成缺损制备兔阴茎白膜损伤模型，将切除的白膜原位缝合。

In group A, the medial antebrachial cutaneous nerve was cut 5 mm away from its origin and its proximal end was anastomozed end-to-end to the distal end of musculocutaneous nerve. In group B, the musculocutaneous nerve was cut 5 mm away from its nerve entry point and the proximal end of medial antebrachial cutaneous nerve were anastomozed end-to-end to the distal end of musculocutaneous nerve. In group C, medial antebrachial cutaneous nerve and musculocutaneous nerve were cut, without further anastomosis.

每组大鼠左上肢制备实验模型，右上肢为正常对照，不作任何处理。A组：于距前臂内侧皮神经起点5 mm 处切断该神经，将其近端与切断的肌皮神经远端行无张力端端吻合；B 组：于距肌皮神经入肌点5 mm 处切断该神经，将其远端与切断的前臂内侧皮神经近端行无张力的端端吻合；C 组：切断肌皮神经和前臂内侧皮神经后不予吻合，形成肱二头肌失神经支配模型。

Results: Among the patients who had normal joint laxity, the mean side-to-side difference in anterior tibial translation on testing with the KT-2000 arthrometer at a minimum of twenty-four months postoperatively was 2.7 ± 1.9 mm in the bone-patellar tendon-bone graft group and 3.5 ± 1.7 mm in the hamstring graft group. This difference was not significant.

结果：关节松弛度正常病人术后24月利用KT-2000 型关节测量仪检查平均双侧胫骨前方移动度差别，髌骨-骨-腱移植组为2.7 ± 1.9 mm ，筋膜移植组为3.5 ± 1.7 mm ，差别无统计学意义。

After nucleosides were extracted from urine on phenyl boronic acid affinity chromatography, the analysis was performed on a column (4.6 mm i.d.X250 mm, 5 μm) at 22 ℃ using a lineargradient elution comprising 25 mmol/L KH2PO4 solution (pH 4.55) and 60% methanol in water with UV detection at 260 nm.

通过苯基硼酸亲和色谱法提取尿中核苷，在色谱柱(4.6 mm i.d.X250 mm， 5 μm)上以25 mmol/L磷酸二氢钾溶液(pH 4.55)和60%的甲醇水溶液作为流动相进行二元梯度淋洗，于22 ℃下进行反相色谱分离，260 nm处紫外检测。

The length of left lobe and right lobe in front of brachiocephalic vein were 14.4 mm and 13.7 mm separately. The average protruding angle of sternum was 10.9°.

胸腺上极与甲状腺下极的关系为：左侧两者相距平均为21.5 mm；右侧相距为23.8 mm。

The given experimental results indicate that the measuring precision of the centroid and the centroidal deviation is no more than 0.1 mm and 0.01 mm respectively, which satisfies the qualification needs for high accuracy measuring the centroid and centroidal deviation of bullets.

给出的试验结果表明，质心测量精度≤0.1 mm，偏心测量精度≤0.01 mm，同时满足弹丸高精度质偏心的测量需求。

Nine kinds of materials, including granular activated carbon, peat, shale-haydite, mudrock ceramicite with size of 1 mm and 3 mm, kaolin clay, polyvinyl alcohol, fine sand and white sand were comparied for PRB reactive media testing.

以石油类污染地下水为研究对象，选用颗粒活性炭、草炭土、粒径为1 mm和3 mm的页岩陶粒、泥岩陶粒、高岭土、聚乙烯醇、细砂和白砂等9种材料进行PRB反应介质筛选及其性能研究。

Results:The oculomotor nerve entered into cavernous sinus at 7.8±2.1 mm anterolateral to posterior clinoid process and 5.0±2.0 mm posterior to superior segment of clinoid process of internal carotid artery.

结果：动眼神经入窦点在后床突的前外侧7.8±2.1 mm，在颈内动脉床突上段后方5.0±2.0 mm处。

Results In sagittal section through lateral border of collum tali, interosseous talocalcaneal ligament is within (19.2±2.8)mm. In coronal section through medial part of corpus tali, interosseous talocalcaneal ligament is within (17.9±5.2)mm.

结果 在矢状面过距骨颈外侧缘内侧(19.2±2.8)mm范围，在冠状面过距骨体中部(17.9±5.2)mm范围内可见距跟骨间韧带。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。