In order to void sulphur corrosion of steel surface layer when it is heated,in addition to more requirement of material surface quality,this paper gives some measure that alkyne gas of producer is given a desulfidation process by controlling the atmosphere in the producer and that use the alkyne of low sulphur and without smoke as row material.

為避免加熱時對鋼表層的硫腐蝕，除對材料表面質(zhì)量提出了進(jìn)一步的要求外久久夜晚黄色视频，還提出了采用可控氣氛亚洲精品一二三区尤物tv，對發(fā)生爐煤氣進(jìn)行脫硫處理及使用低硫無煙煤作發(fā)生爐煤氣的原料等解決措施。

Health care body temperature cartoon lead color manifestation the body temperature number of degrees(such as smiling face manifestation green mean body temperature normal, such as cry face a manifestation green meant body temperature to go up) avoided tradition thermometer easy result in glass broken up with water argyria of endanger, have safety the practical advantage of the environmental protection, science.

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Avoiding these problems become the bottle-neck of sustainable development, its very necessary to study the economic methods for environment protection.

為避免資源及環(huán)境問題成為我國經(jīng)濟(jì)可持續(xù)發(fā)展的瓶頸涩涩涩视频在线，所以有必要研究保護(hù)環(huán)境資源的經(jīng)濟(jì)手段，通過對整個社會經(jīng)濟(jì)系統(tǒng)的改善來解決資源和環(huán)境問題欧美日韩国产一级婬片。

The decrease of chloroplast reduced the photosynthesis rate and decreased energy consumption and water losses.

在高強(qiáng)度風(fēng)沙流的脅迫下欧洲特级黄色网站，葉綠體的減少可降低光合速率，避免過多水分和生命能量的消耗。

Heretofore she had never bothered to control her temper except in Ellen's presence. Now it was painful to have to choke back words for fear of his amused grin.

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Periodic cleaning: Cosmetics tools, such as sponge brushes to keep clean, regular cleaning to avoid contamination. dalian escort In particular, Powder, powder puff sponge, etc. have to keep it clean, do not let perspiration residue on it. Powder puff, eyebrow brush, eyebrow pencil cleaning, can be soaked in a neutral detergent in the first 10 minutes, then placed under the faucet, wash down Tippy. Then, Qing Nie bristles, squeezing out the excess moisture, then mat towels, dry can be.

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This paper presents the idea and implementing method of the computer automatic compilation of the cash flow sheet .

提出了從會計科目分析著手，一次定義后可長期使用婷婷综合性、簡單而實用的現(xiàn)金流量表計算機(jī)自動編制思想及其實現(xiàn)方法怕怕怕免费视频，該方法可以有效避免每月重復(fù)的手工標(biāo)記憑證工作，提高會計報表的編制質(zhì)量和效率

This allows the particle morphology to be controlled and prevents pronounced interpenetration of the different layers despite their miscibility.

這使得粒子的形態(tài)可控国产精品全网在线观看，并且避免了本來很容易互溶的層間的互相滲透18禁黄网站禁片流畅观看。

If investors worry about a country's ability to pay its bills, they may avoid buying its bonds and other investable assets, and so don't need dollars to buy these securities.

若投資者憂慮一個國家償還債務(wù)的能力，可能會避免購入該國的債券及可投資資產(chǎn)国产综合第二页，因此便不需再持有該國的貨幣以購入上述資產(chǎn)亚洲最大网站在线。

If the first line of pigments for composite color or chemical pigments, due to pigments contain iron, lead ions, blue, black pigment may have light after removing traces of India, one and a half months after treatment again.2.1064nm laser treatment of black and blue pigments, the operator to the treatment of patients with a brief description of the principles and after conditions avoid patients do not understand the surgery, postoperative reflect and recovery processes, unnecessary disputes.

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