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While the adsorptions of l-propanol and 1-Br-propane at 100 癈 give rise to 1-propoxy species, which mainly converted to propanal at higher temperature. IR spectrum arising from the interaction of propene with the catalyst at 100 癈 shows the IR bands of allyl alcoholate and isopropoxy species. As the temperature was increased to 150 癈, the bands ascribable to the adsorbed acetone and acrolein were observed. Based on these results, it is suggested that isopropoxy species is one of the intermediates for SOP to acrolein over MoPO/SiO2 catalyst.

原位IR光谱实验结果表明:200℃时丙烷/O_2混合气在催化剂表面吸附后的IR谱与同温度下异丙醇吸附的IR谱相似,均检测到吸附态丙酮物种和丙烯醛物种的IR谱峰;溴代异丙烷和异丙醇在催化剂表面吸附后均转化为异丙氧基,异丙氧基主要转化为丙烯和丙酮,丙烯进一步转化为丙烯醛;溴代正丙烷和正丙醇在催化剂表面吸附后均转化为正丙氧基,正丙氧基主要转化为丙醛;丙烯在催化剂表面吸附后转化为σ-氧烯丙基和异丙氧基,升温后σ-氧烯丙基转化为丙烯醛而异丙氧基转化为丙酮。

Complete only if you wish to authorise an agent to apply for the licence on your behalf.

你想授权代人代你申请牌照,请填写下资。

Finally, using a new iterative method, a variant of Kaniel-Shinbrot iterative method, we prove the existence and uniqueness of eternal solution to Boltzmann equation for the hard interactions and rigid spheres model.

最后,本文利用一种新的迭代方法(有别于Kaniel-Shinbrot迭代)在硬位势和硬球模型情形下证明了Boltzmann方程永久型解的存在唯一性。

On the basis of characteristic analysis on all kinds of mineral tailings of copper lead zinc, mineral tailings was classifying according to its application. At the same time, the calcining experiment for twenty material prescriptions of the mineral tailings substituting the clunch or mineralizer mixed with different grades of limestone was actualized in the laboratory's heating kiln under the different temperature. After the fCaO analysis and the X-diffraction test to the calcined samples, the reasonable prescriptions and optimal calcining condition were put forward for different kinds of mineral tailings used to substitute the clunch or mineralizer, the research conclusion offers the instructional reference for the large-scale industrialization production.

同时,对尾矿用于代粘土和矿化剂配不同品位石灰石的20个生料配方进行了实验室高温炉不同温度下的煅烧试验,并对煅烧后的熟料样品进行了游离CaO和X衍射分析,得出了不同尾矿用于代粘土或矿化剂的合理配方和煅烧工况,从而为大规模产业化利用提供指导性参考依据。

Based on the theory of fuzzy mathematics,the improved fuzzy optimum model was established,and an integrated selection method,which combined quantitative index with qualitative index of the enterprises of engineering project authorized management,was developed.

通过运用模糊数学的相关优选理论,建立了改进的模糊优选模型,给出了一种在代建制下对代建单位进行定性、定量综合评选的方法,在定性指标的量化处理上用模糊一致矩阵克服了传统方法的缺陷。

Fourthly, Broyden iterative method is studied to solve nonlinear equation with parameters and the existence and convergence theorem is also given.

第四章的主要结果:研究用Broyden迭代求解带参数非线性方程,在弱条件下给出Broyden迭代格式的存在性和收敛性定理。

In this chapter proposed the repetition iteration algorithm through the training sequence and its the corresponding array data-in repetition useenlarges the TD-SCDMA channel in the iteration step, may approach theoptimum result under the short data length, take the LMS algorithm asthe example simulation result indicated this method is feasible, mayeffectively improve the TD-SCDMA system smart antenna the performance.

本章中提出的重复迭代算法通过把TD-SCDMA信道中训练序列及其对应阵列输入数据重复使用加大迭代步数,可以在短的数据长度下逼近最佳结果,以LMS算法为例的仿真结果表明该方法是可行的,可以有效改善TD-SCDMA系统智能天线的性能。

Looking back the pioneering path of generations of GNERI staffs at the tough conditions, many of them are as vivid as if they were just occurred at yesterday, and are so amiable, respectable and memorable. After vicissitudes and hardship in the past 30 years, GNERI has been developing from a small to a big institute, from a domestic to an international institute, which accumulated the condensed devotement, passion and wisdom with the painstaking care, unremitting effort, continuous progress, industrious work attitude of generations of GNERI staffs. It is GNERI staffs depicted ups and downs of GNERI on their way to the sunny road with youth, determination and righteous ardour.

回首过去几代能源所人在十分艰苦条件下的创业历程,许多故事好像就发生在昨天一样历历在目,令人可亲、可敬而又难忘。30年沧桑砥砺,30年风雨兼程,能源所从无到有、从小到大、从国内到国际,渗透着几代能源所人殚精竭虑、自强不息、艰苦奋斗的心血、热情与智慧,用自己的青春、意志和热血谱写了能源所人阳光路上的风风雨雨。

According to the principle of the diameter of a circle corresponding to the right angle and the principle of short side for little angle in right triangle, projecting the initially-chosen point to the hyper-planes of the linear equation group in which every linear equation can be regarded as a hyper-plane and the projection points can be obtained. The initially-chosen point, and one arbitrary projection point, and the solution point are all on the surface of the relative hyper-geometry ball, therein-to, there is a projection point which is nearest to the solution point and it can be regarded as the next iterative initially-chosen point, so the solution problem of the linear equation group can be changed as an iterative problem of approaching the solution on the surface of a hyper-geometry ball.

根据直径对应的圆周角足直角以及直角三角形中短边对小角的原理进一步知道,当将初始点向线性方程组中各个方程所代表的超平面上投影得到投影点时,初始点和其任何一个投影点及方程组的解点都将位于一个相应的超球面上,其中必定存在一个投影点离问题解点的距离最短,即把该点作为下一次迭代的初始点,从而可将线性方程组求解的问题变成球面上逼近解点的迭代问题。

The rolling effects of horizontal and edger rolls were both taken into account during load distribution, and iterative computations were done alternately along the width and thickness of work piece by virtue of the equal load function to optimize the rolling schedule step by step.

分配时兼顾水平辊和立辊轧制的影响,在宽度和厚度两个方向进行等负荷函数的交替迭代计算,逐步优化规程,并在外层迭代中设置了机组轧制负荷超限情况下的道次数自动修正。

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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?