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The boundary value problem for first-order differential equations with a parameter refers to the finite solution condition of equation which includes unknown quantity and its first-order derivative that not only relies on interval value but also relies on the parameter of the equation,which is always settled by fixed point theory or successive approximation method.

含一个参数的一阶微分方程边值问题是指：含有未知量及它的一阶导数的方程的定解条件不仅依赖于在区间端点的取值，而且依赖于方程中的参数。通常它用不动点定理或逐步逼近法来解决。

Based on the intelligentized algorithms and Matlab,simulation regarding optimization of benzene-toluene flash vaporization process is made. The simulation result shows that the amount of benzene in vapor phase product reaches the maximum on the condition of effective adjustment of temperature,pressure and diffluence coefficient and the production process is optimized.

对基本蚁群算法进行了智能化改进，并运用智能蚁群算法和Matlab语言，对化工生产过程中的实际优化问题，苯-甲苯闪蒸过程进行了优化仿真计算，仿真结果表明，在有效地调整温度、压力及分流系数的条件下，使得汽相产物中苯的产量达到最大，实现了苯-甲苯闪蒸过程的最优化，同时也证明了蚁群算法可以有效地解决化工生产过程中的优化问题。

In our research on study chemical reaction of active methylene compounds and brom-acetophenone. Because of brom-acetophenone is compound that contain carbonyl and halogen ,which will take place electrophilic substitution and nucleophilic addition. When active methylene compounds are ethyl acetoacetate and β-diketone, controlling reaction condition, we have found that mono-substitution's production and di-substitution's. production is isolated; active methylene compounds are acetoacetanilide and acetoacetanilide derivate, pyrrolidin-2-one derivants were obtained by substitution and close-ring reaction .but there is no report about it.

本文是让活泼亚甲基类化合物与溴代苯乙酮发生化学反应，由于溴代苯乙酮是含有羰基的卤代烃结构，它可以发生亲电取代和亲核加成反应，当活泼亚甲基类化合物为乙酰乙酸乙酯和β-二酮时，控制反应条件可以发生单取代和双取代两种产物；当活泼亚甲基类化合物为乙酰乙酰芳胺类化合物来反应时，溴代苯乙酮中的羰基与氨基会发生分子内的关环反应生成吡咯烷-2-酮衍生物，这在以前的研究中是没有发现的。

The author compares the effects of Dirichlet boundary condition and attenuation one on artificial boundary with that on transmitting boundary, so does the absorption effects, the author also demonstrates the advantage of transmitting boundary.

文中还就刚性边界条件、衰减边界条件对人工边界的影响及吸收效果与透射边界作了对比，验证了透射边界的优越性。

The master's wife would go on a visit to the country in a few days, and there would be nothing to interfere with the plan; the master always prepared himself for great occasions by getting pretty well fuddled, and the sign-painter's boy said that when the dominie had reached the proper condition on Examination Evening he would "manage the thing" while he napped in his chair; then he would have him awakened at the right time and hurried away to school.

过几天，老师的太太要到乡下去串门，这样他们就能顺利地实施计划。另外，每逢重要日子，老师都要喝得酩酊大醉。那孩子说大考那天晚上，等老师差不多醉倒在椅子上打盹的时候，他就"乘机下手"，然后再伺机弄醒他，催他快到学校去。到了预定的时间，晚上8点钟，那个有趣的时刻终于来临了。

Hereby, we presumed that the specific binding of CpG-ODN with TLR9 and the trigger of activating signal be likely to occur in acidic endosomes after uptaken by cells, not on cells ectoblast. It suggested that the specific binding of CpG-ODN with TLR9 very possibly needs a specifical exterior condition, an acidic pH.

但令人困惑的是目前一直未能直接观察到TLR9与CpG-ODN的特异性相互作用，而且免疫细胞膜上并不存在CpG-ODN的特异性结合位点。

Through the study of metallographic specimen and the inclusions through electrolyzation under SEM, it is indicated that the Ti-deoxidized products are globular compound inclusions with the size of 1~3μm in this experiment condition. With the technical of ion beam thinner the inner structure of these inclusions can be observed, whose core is Ti-O and outer is Mn-S. Based on EBSD the phase composition has been analyzed and it indicated that these globular compound inclusions are Ti2O3 and MnS with nucleating center Ti2O3, which can prompt to nucleate IGF.

在扫描电镜下通过对金相试样和电解提取的夹杂物研究表明，本实验条件下钢液凝固过程中析出的夹杂物是Ti-O-Mn-S形成的尺寸为1～3μm的球形复合夹杂物；通过离子减薄后观察了夹杂物的内部结构，中心是Ti-O化合物，外围是Mn-S化合物；通过电子背散射衍射对夹杂物的物相组成的分析表明了该复合夹杂物是有利于针状铁素体形核的Ti2O3和在凝固过程中以Ti2O3为核心形核的MnS。

In order to complete the investigation, impersonality feasible experiment solutions and devices are designed independently to systemically investigate on activation and transfer characteristic of soil heavy metal under acid rain effect. Primary results are shown as followings:1. PH measuring results of soil solution and eluviation solution show that the ability of experimental plot the acid buffer capacity of soil is stronger under the experiment condition,there is no obvious acidification in soil which after acid rain eluviation.The result has substantial differences with that gotten by most of investigationers in similar work before.

这一结果与以往类似研究中多数研究者得到的结论存在本质区别，原因可能在于此次试验的试验条件与以往研究的试验条件不同，其中最主要一点是在本次试验中使用的土壤样品的重量比以往试验均显著增大，而且使用的是土壤结构和组成等均未经破坏的原位土，从而使入渗酸雨与承受酸雨沉降的土壤之间的比例关系更接近自然酸雨沉降过程，以此为基础得到的试验结果应该更加客观、可靠。2、酸雨对盐基离子活化迁移产生的影响勿庸置疑，但是，在盐基离子活化迁移的过程中，并没有出现预想中的重金属元素活化迁移现象，表明土壤中的重金属元素并不如理论分析的那样对酸雨沉降反应敏感。

Under that framework, the effect of a change in real exchange rate on employment is examined. We find that: the real depreciation of home currency will stimulate employment only in the condition of a big consumer's relative risk aversion, namely a small inter temporal substitute elasticity of consumption.

结果发现：只有当消费者对商品消费的相对风险规避程度比较大，即消费的跨期替代弹性比较小时，本币实际贬值才会促进就业的增加，反之贬值会使就业减少。

So great is the importance that everyone attaches to the physical condition of his own heart or those of his closest and dearest ones, that merely a minor disease would enduringly weign on his mind.

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This brought fixed cost, but it also is meant at the same time use a source to won't make you singlehanded assume a problem.

这带来了一定的成本，但它同时也意味着使用开源不会让你独力承担问题。

He gained a small fortune in real estate.

他在房地产上发了一笔小财。