With the development of foundation establishments and the increase of construction investment, exploring new material and the exploitation and use of new technology in key projects of bridge, tunnel and so on will prolongate the service life of engineering structure, advance investment benefit and guarantee safe traffic passage.

隨著我國基礎(chǔ)工程設(shè)施建設(shè)投資力度的進一步增大，在橋梁亚洲网站在线播放、隧道等關(guān)鍵工程領(lǐng)域中探索新材料和新工藝的開發(fā)和應(yīng)用欧美日韩性爱视频一区，對于延長工程結(jié)構(gòu)的使用壽命午夜狼友啪啪视频，提高投資效益，保證交通運輸?shù)陌踩珪惩ǖ葘⒕哂兄匾囊饬x国产永久免费高清在线播放。

The correlaton coefficient of FSH and T was 0. 5205 (P 0. 001 ). It was showed that the effects of FSH on pubertal development had relation to the increase of T secretion.

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Result proves that ultrasound frequency is higher in the same time, lethality rate increases with the increase of radialization time on the same frequency, at the same time, its physiological character changes.

試驗結(jié)果表明欧洲一级一片在线观看免费精品色，在相同的時間內(nèi)www.569欧美一区精品，超聲波頻率越高對試驗菌株的致死率越高；同一頻率在线看免费AA片观看视频，超聲波輻射時間增加也可使試驗菌株的致死率增高日韩激情中文字幕在线看，同時經(jīng)過誘變處理后的菌株其生理生化特性也有變化

Now,China is in the phase of entensive use of resources,including the land ,so study on the land-use change from the socio-economi aspect is good for realizing the rapic increase of economic and safeguarding the continuable using of land resources.

在我國目前處于資源利用較為粗放的階段，從社會經(jīng)濟角度來研究土地利用的變化久久综合九九，有利于實現(xiàn)經(jīng)濟快速增長的同時保障土地資源的可持續(xù)利用。

A warning should be made regarding the attempt to increase the MTBE purity in the bottom stream beyond a certain value depending on the operating conditions, by increasing the reboil ratio with a fixed reflux ratio.

警告應(yīng)當(dāng)就試圖提高MTBE的純度在底部流超過某一價值取決于經(jīng)營條件老赵和苏清雅小说名字，增加了reboil比例固定比例回流在线免费一级黄片。

In order to use new teaching material effectively firstly, we should have a correct approach to and then a reflexible use of it; secondly ,we need to carry out on-the-job training, thirdly, we must implement the scientific course evaluation system; finally, the government should increase the educational fund to improve the English teaching conditions.

要有效利用新教材，首先應(yīng)對新教材正確解讀精品亚洲韩国一区二区三区、靈活運用91久久精品无码一区二区毛厂片；其次要開展師資培訓(xùn)；再次要實施科學(xué)的課程評價體系黄色视频免费领取；最后政府方面應(yīng)加大教育投入国产AV囯片精品有毛，改善英語教學(xué)條件。

The ability to modulate the expression of multiple genes by tetracycline and its derivatives is likely to regulate the timing and level of gene expression, quantitatively induce the expression of toxic protein, increase therapeutic efficacy and safety, and provide a safe and regulatable way for gene therapy.

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Increased valve spring stiffness is to increase the stability of a simple common methods, such as the range of 20 ~ 100KPa spring spring into 60 ~ 180KPa's big spring stiffness, using this method is mainly brought locator valve, otherwise, the use of valve to reprovision on the locator.

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The mechanism of the ameliorating effects of scopoletin was related to the increase on the NE and DA concentrations in cortex by selectively inhibiting the activity of acetylcholinesterase and monoamine oxidase.

而桑之成分 scopoletin 具改善scopolamine 誘導(dǎo)大鼠記憶障礙作用，其機轉(zhuǎn)與降低大鼠腦內(nèi)皮質(zhì)區(qū)乙醯膽堿酯酶及單胺氧化酶活性x9x9x9av，增加皮質(zhì)區(qū)內(nèi) NE 及 DA 濃度有關(guān)五月天永久免费的网站。

With the increase of Mg2, the concentration of CO2 gradually reduces, and the majority of the volatile and semivolatile organic products, especially styrene monomer and some polycyclic compounds, take on increasing tendencies.

隨著氫氧化鎂含量的增加，二氧化碳的濃度逐漸降低99r在线精品视频播放；殘渣中焦碳的含量以及大多數(shù)的揮發(fā)性和半揮發(fā)性有機產(chǎn)物欧美视频在线观看免费电影，尤其是聚苯乙烯單體和一些多環(huán)化合物明顯增加。