In this study enamine was used as the reactive intermediate for alkylation of cyclohexanone alkylate,to provide a new route to synthesize the perfume-α-tert-butylcyclohexanone after overcoming many disadvantages of the traditional technical route,such as the complicated of reaction steps,the expensive reagents adopted,the high demand for the equipment used,and the low yield of product.

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Two strategies, optimizing hill- climbing and large- scale gene mutation, are used to overcome the disadvantages of the primary hybrid algorithm, which easily converg to local optima.

用遺傳與模擬退火相結(jié)合的混合算法對信道分配問題進(jìn)行研究小黄片在线播放情侣，并通過加入"尋優(yōu)式爬山"與大規(guī)腁片ねんね视频；蛲蛔儍煞N優(yōu)化方法對混合算法進(jìn)行改進(jìn)，克服了一般遺傳算法收斂速度慢以及易于陷入局部最優(yōu)解的缺點(diǎn)26uuu亚洲日韩欧美。

This approach applies a zero input differential voltage and overcomes the interactions between V OL and V OS —making it easy to use on the production line.

這種方法適用于一零輸入差分電壓和克服這是由V和V 操作系統(tǒng)職等的相互作用91无码精品xyz，從而易于使用的生產(chǎn)線。

Based on a Hopfield neural network mode for combinational circuit test generation, a test generation algorithm with global searching ability is proposed. This algorithm is the combination of chaotic searching with gradient algorithm. By means of the inherent stochastic and ergodic property of chaotic searching, the problem of being trapped in local minimum of gradient algorithm can be solved.

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Differing from the general BEM that is attributed from the general boundary integral equation, The natural boundary element method attributed from the natural BIE has not only the advantage of the dimensionality, but is confirmed and gain the only NBIE from the original problem.

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在經(jīng)濟(jì)技術(shù)和地域空間上生態(tài)工業(yè)園區(qū)和副產(chǎn)品交換網(wǎng)絡(luò)更易于融為一體精品国产亚洲，還可彌補(bǔ)和消除生態(tài)工業(yè)園區(qū)在發(fā)展過程中的柔性不足、影響范圍過小和運(yùn)行限制較多等弱點(diǎn)久久riAV一区二区三区，克服區(qū)域副產(chǎn)品交換網(wǎng)絡(luò)運(yùn)行中的產(chǎn)品種類稀少成视频年人黄网站免费视频高潮、交易關(guān)系松散等劣勢，有利于可持續(xù)發(fā)展由點(diǎn)到面地推進(jìn)99re在线观看这里只有精品9。

It overcomes disadvantages of blurring, serration, etc. of the existed algorithms. The motion compensation algorithm is also compared with the proposed method, which proves its convenience for hardware implementation.

在一定程度上克服了傳統(tǒng)算法帶來的運(yùn)動模糊能在线看av的网站、邊緣鋸齒等問題，同時與運(yùn)動補(bǔ)償算法相比黄色免费在线视频网址，具有易于硬件實現(xiàn)的優(yōu)點(diǎn)www狠狠干。

Conjugated unsaturation of abietic resin acids can be removed through catalytic hydrogenation to overcome the shortcomings of oxidation and color degradation in rosin.

將松香催化加氫可去除樅酸型樹脂酸的共軛不飽和性，克服其易于氧化變色的缺點(diǎn)人人色人人模。

The ultrafilteration is applied in the separation and concentration of the zymin, it can be operated in the normal temperatures, overcome the effects heat does to the quality of the fermented products, abstract small molecular admixtures, and guarantees filtrates purity and quality; Filtering process does not change, the energy consumption and the cost compared with the traditional method are lower; The equipment running is simple, and is easy to operate and the control, thus it quickly became concentration separation craft the first choice of concentration separation such as biology medicine manufacture.

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It not only avoids the sensitivity to the model perturbation and the noncausality in the decoupling procedure of time-delay systems, but also is easily understood and accepted by the application engineers with its clear physical concept. Thus, it is a promising control approach to wide applications.

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