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So we researched the relationship between the acraldehyde contamination and cooking activity. We choose four time, 9:00 and 15:00 the cooking activity is very few, so the contamination is low, but 11:30 and 17:30 the contamination is very high, this concentration is 2.6 times an much as the front one.

检测结果表明丙烯醛的浓度和烹饪活动的多少有密切的关系。9：00和15：00食堂内烹饪活动比较少，丙烯醛的浓度明显降低，而11：30和17：30是两个就餐高峰，在这两个时间段内餐厅内的丙烯醛浓度明显升高。

Abstract］ objective to evaluate the effect of regulating bloodmobile sterilization management.methods making a statistical contrast to the number of bacterial in the air flow,on object surface in the bloodmobile car before and after regulating sterilization management.results before regulating management,the total excess rate of bacteria in the air is 41.67% while the rate of object surface is 20.83% in the car.after regulating management,the total excess rate of bacteria in the air is 4.17% while the rate of object surface is 0.00%.the differences were significant.conclusion to realize regulative and effective sterilization management,consolidate sterilization measures,guarantee the quality of blood and the safety of blood collection is of important significance.

摘要］ 目的评价规范流动采血车消毒灭菌管理的效果。方法对流动采血车内的空气、物表在规范消毒灭菌管理前后细菌培养数量的统计对比。结果规范管理前车内空气细菌总数超标率达41.67%，物表达20.83%。而规范管理后车内空气细菌超标率是4.17%，物表细菌超标率是0，差异有统计学意义。结论对流动采血车实施规范有效的消毒灭菌管理，务实消毒灭菌措施，对保证血液质量和采血安全具有重要的意义。

Presented with early artery enhancement and immediate wash out ,Two cases presented with wash in quickly and wash out slowly .The enhancement pattern of 36 liver metastatics cases was divided into the little blood provides group and the much blood provides group . The 5 cases of haemangioma were enhanced centripetally in portal phase and washed out after several minutes without arterial enhancement.

通过造影后的表现还可明确提示以下几个方面：（1）肿块内的坏死区；（2）在延迟相发现了肝内小转移灶，从而改变了临床治疗方案；（3）滋养动脉的显示；（4）门脉内栓子的鉴别诊断。36个转移性肝癌病灶分为少血供转移癌组和多血供转移癌组。6例肝血管瘤中5例均表现为向心性环行持续缓慢充填，另一例9mm的小血管瘤表现为完全、快速向心填充。

In-vivo neutron and gamma spectra of depleted uranium sphere and vanadium sphere under central D-T neutron source were measured,with a 18 mm×20 mm stilbene crystal detector, at 7,10,13,16,19,22 cm away to the center in 45° direction in depleted-uranium sphrer, and 1.8,4.8,8.3 cm away to the center in the 0° direction in V sphere.

为获得介质内中子能谱及伴生γ能谱的实验数据，在中心D-T中子照射下，用18 mm×20 mm的茋闪烁体探测器，测量了与D+束成45°角的水平方向距球心7、10、13、16、19、22 cm位置处贫化铀球介质内的中子能谱和伴生γ能谱，以及钒球内与D+束成 0°角、距离球心1.8、4.8和8.3 cm处的中子能谱和伴生γ能谱。

The multifunctional overturn bed has one bed frame with one side connected to the bed head and the other side connected to the bed tail, one leftwards overturn unit set to the left side of the bed frame, one rightwards overturn unit set to the right side of the bed frame, and one translation unit set between the leftwards overturn unit and the rightwards overturn unit.

本发明床身框架(3)的一侧与床头(4)固定连接，床身框架(3)的另一侧与床尾(2)固定连接，左侧位翻身装置设置在床身框架(3)内的左侧，右侧位翻身装置设置在床身框架(3)内的右侧，平移装置设置在左侧位翻身装置和右侧位翻身装置之间的床身框架(3)内。

The inner box is arranged inside the outer box in a sliding measure. Wherein the inner box comprises three individual modules as battery containing module which can be used for containing a battery, an inserting module which can be used for the battery in the battery containing module conducting connecting outside the outer box, and an attachment module in which a battery managing system that is used for monitoring the working state of the battery can be arranged.

其中所述内箱体包括三个独立的模块，分别是：电池容放模块，电池容放在所述电池容放模块中；插接模块，所述电池容放模块内的电池通过所述插接模块导电地连接到所述外箱体；以及附件模块，其中设置有用于监控所述电池容放模块内的电池的工作状态的电池管理系统。

The contents of putrescine were apparently higher than the control, then decreased with the increase of lead mass concentration and the time of treatment.

黄瓜幼苗叶片精胺和亚精胺在处理第5d时高于对照值，茎中精胺和亚精胺含量在处理第7d高于对照值，而其它时间内的都低于对照值，而且其含量均随铅质量浓度的增加而呈下降趋势；过氧化物酶活性变化与内源多胺含量（腐胺、精胺和亚精胺之和）的变化相似，表明铅胁迫能改变黄瓜幼苗内源多胺的含量和调节过氧化物酶活性，从而影响着黄瓜植株的生长。

The composition of Fe-Co and Fe-Co-Mn alloy is analyzed by using Electron Probe Micro Analysis and the magnetic properties of porous alumite film in which Fe-Co and Fe-Co-Mn alloy electrodeposited are measured by a Vibrating Sample Magnetometer .

本论文通过使用多种现代测试技术，如：扫描电镜、透射电镜、电子探针X射线能谱、X射线衍射、电子衍射分析和振动样品磁强测试等，对铝阳极氧化膜的形貌、纳米级微孔内Fe—Co和Fe—Co—Mn合金的晶体结构、Fe—Co和Fe—Co—Mn合金在纳米级微孔内的电沉积工艺以及纳米级微孔内Fe—Co和Fe—Co—Mn合金的磁性进行了系统的研究。

Results The intramural capillary lymphatics of rat's rectum were observed in deep lamina propria of tunica membrane and the dermal papilla layer of anal pectin. The intramural capillary lymphatics and lymphatics were both observed in tela submucosa, reticular layer, hypodermis and intermuscular and serosa. The capillary lymphatics in rectums' wall have the similar ultrastructure feature to normal ones. Three kinds of endothelial cells junctions are overlapping junctions, embedding-junctions and end to-end-type junctions. About 21% of cell-junctions are opening types. There are normal organelles and many vesicals in the endothelial of capillary lymphatics.

结果 直肠壁内的毛细淋巴管见於黏膜固有层深部和肛梳区真皮乳头层；在黏膜下层和肛梳区的网状层、皮下组织以及肌层和浆膜层内均有毛细淋巴管和淋巴管，直肠壁内毛细淋巴管的超微结构具有一般毛细淋巴管超微结构的特点，内皮细胞连接有重叠、嵌插和端端连接3种类型，处於开放状态约占21%；胞质内含有一般的细胞器，幷含有大量的囊泡。

To verify the accuracy of CFD simulations, experiments were carried out. The results of simulations with user defined function of the effects of impeller type and stirring rate on the velocity field were in good agreement with the output of particle image velocity. The oxygen mass transfer model can be used to predict the process of oxygen mass transfer in a vessel, and the logarithmical expression can successfully describe the relation between the oxygen concentration and the dissolution time.

结果表明，(1)采用Fluent软件并结合用户自定义方程(user defined function， UDF)能够很好地模拟出实际搅拌器内流场分布，模拟结果与采用粒子成像技术(particle image velocity， PIV)的实验测量结果相符；(2)采用氧气传质模型能预测氧气在搅拌器内的动态传质过程，同时氧气浓度与溶解时间的对数关系式能较好描述试验搅拌器内氧气动态传质过程；(3)在相同搅拌速度下，圆盘涡轮式搅拌器产生的湍流动能分布范围要大于桨式搅拌器产生的湍流动能，而且湍流动能分布更均匀，湍流强度更大。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。