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Compared with classical methods,the main advantage is as follows:raffinose oxidation time may be shortened within 60min;oxidation of hemoglobin can be controlled when the reaction temperature is 20℃;the proportion of MetHb can be controlled less than 5%;the ratio of raffinose to hemoglobin and the final concentration were dependent on the average molecular weight of HBOCs;at the same time,we can obtain HBOCs of different molecular weights.

与经典的方法相比,其主要优点为:高碘酸钠氧化棉籽糖的时间可缩短至60min即可达到完全氧化:在20℃时,便可控制血红蛋白的氧化,可将MetHb含量控制在5%以内;棉籽糖与血红蛋白的比例和血红蛋白的反应终浓度可根据所需要的目的聚合血红蛋白的平均分子量的大小来定;同时调整反应体系可以得到不同分子量大小的HBOCs。

Through such processing, the time of iterations is shortened and the convergence rate of neural network is raised thereby.

最后对改进后的人工神经网络进行训练,实现了非整数次谐波的精确检测。

The vigor of the music notwithstanding, a revolt against the confining nature of the harmony, melody, and rhythm of swing arose in Kansas City and Harlem in the 1930s and reached fruition in the mid-40s. The new music, called "bebop" or "rebop"(later shortened to "bop"), was rejected at first by many critics.

尽管摇摆爵士乐也具活力,但20世纪30年代在堪萨斯发起的反对约束和谐、悦耳、韵律的风潮渐渐盛行。40年代中期,一个新的音乐形态产生了,那就是bebop或rebop,最初受到众多评论家的嫌弃。bop的特点是降五度音,一种更为精致的节奏构建,它比唯旋律中心更为和谐。

For the sake of the image reconstruction efficiency we shortened the reconstruction time almost 100 times by parameter table method. In algebra iterative algorithm we found the range of relaxation parameter is very different. The range of relaxation parameter of ART was narrower than that of SIRT. Different methods of data access will influence on the quality of reconstruction image.

在代数迭代算法中,通过模拟图像的重建发现,ART算法和SIRT算法松弛因子的选择有很大的不同,SIRT的松弛因子选择范围偏小,而ART的松弛因子选择范围要宽得多;数据访问方式的不同,对重建的图像有一定的影响;提出了最优迭代次数的判据,避免了在迭代时迭代次数选取的盲目性。

Results Combined group was much better than radiotherapy group in total effective rate and completely remittent rate,and the time of effect were also shortened compared with control group.Conclusion The combination of two methods is effective and significantly superior to single treatment of radiotherapy.

微波热疗对放疗有协同增敏作用,二者配合对颈部较大淋巴结转移癌的治疗有重要的临床应用价值,可明显提高局控率,减少局部放疗剂量,减轻放疗反应,无明显毒副作用,值得临床推广使用。

To do the experiment repetitively, shortened the hydrolytic time to determine the hydrolytic ratio.

我们选取12号作重复实验,缩短水解时间,进行水解率的测定。

Producted RF and CRF aerogels by process of sol-gel technics, dynamic-exchange, CO2 supercritical drying, and procedural increase in temperature carbonization methods, which have eximious capability and nanometer network structure; Systemic analysis various factors which effect gel course, such as ratio of reactants and the dosage of catalyst, and probed into the better experiments conditions(the concentration of resorcinol and formaldehyde is more than 2% and the value of R/C is between 50 and 300); During gel course , primary investigated the viscosity curve and particle size distribution of sol-solution, and analyzed the reason of catalyst dosage effects particle size of gel, and confirmed that the up-growth of gel follows the theory of " polymerize increase ".The experiment results indicated that ultrasonic with unvarying temperature disposal shortened gel time and optimized quality of gels, and the factors of ultrasonic effect gel reaction velocity were analyzed; Prepared organic aerogels using compounds of resorcin and hydroquinone substitute resorcinol reacts with formaldehyde the first time, and also optimized the proportion of resorcinol and hydroquinone (the proportion of hydroquinone in 10%~40%).

采用溶胶-凝胶工艺结合动态溶剂交换、CO2超临界流体干燥与程序升温碳化方法制备出性能优良、具有纳米网络结构的RF与CRF气凝胶;深入研究了反应物配比催化剂用量等条件对凝胶过程的影响,得到了较佳的RF凝胶制备条件(RF浓度应大于2%,R/C值取50~300);初步研究了凝胶过程中的粘度、粒径变化情况,分析了催化剂用量影响凝胶中粒子尺度的原因,在实验上印证了凝胶生长遵循"聚增长"的理论;通过引入超声波改进了RF气凝胶的制备工艺,缩短了凝胶反应时间,提高了凝胶品质,并探讨了超声波促进RF凝胶反应作用的原因;首次用对苯二酚与间苯二酚复配制备了混合有机气凝胶,优化出复配比(对苯二酚含量为10%~40%)。2。

In such a way, the length of certificate revocation list will be shortened efficiently.

经研究评估,我们所提出的策略在模式与范例分析上有达到预期的效果。

In the late 1920s he recommended adoption of the 6.5 mm calibre "if not even smaller" and a rimless or semi-rimmed case with a length shortened by about 20 %(to 40 mm).

在1920年代晚期,他建议采用6.5mm甚至更小口径的、弹壳无缘或半凸缘且长度缩短20%(至40mm )的新弹药。

Results The anesthesia range was narrowed and anesthesia duration was shortened with the prolongation of epidural catheter placement,Epidural roentgenography showed that the medium diffused normally within epidural space,biopsy of epidural tissues showed that there were inflammative cells infiltration and fiber proliferation with longer epidural catheter placement(more than 4 weeks),without significant differences between both groups.

结果 随着硬膜外腔置管时间延长,麻醉阻滞范围变窄,麻醉阻滞时间也明显缩短,两组之间没有明显区别;硬膜外腔造影显示:造影剂在硬膜外腔扩散良好,无明显受阻;组织学检查显示:置管时间长(4周以上)的动物,硬膜外组织炎细胞浸润、纤维组织增生、硬膜增厚,而且随置管时间延长,变化加显著,但两组之间没有明显区别。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力