But it is difficult to find a perfect method to control drum boiler's corrosion. Now deoxidization water chemistry for drum boiler has the characteristics of high corrosion speed, high Fe content in feedwater and boiler water, high scaling speed, short chemical cleaning interval and needing poisonous chemical deoxidant, etc.

火力發(fā)電站由于大量使用金屬材料久久久久人妻一道无码AV，并且金屬材料的使用環(huán)境大都接近其極限使用條件亚洲av成人一区二区三区观看，因而常由腐蝕而引發(fā)事故网站视频黄色亚洲，造成重大損失。

Extended hemodialysis with the Gambro HCO 1100 dialyzer allowed continuous, safe removal of FLC in large amounts.

應(yīng)用Gambro HCO 1100透析器長期透析大都能持續(xù)的安全地清除FLC国产中文字幕网。

In order to deep holding the engineering characteristic of the coarse-grained soil, this paper researched object that is the coarse-grained soil of the diametre from 0.1mm to 20mm that was often applied in the dam body filter structure, using the experiment method, carrying out the experiment the research of the coarse-grained soil permeability characteristic.

粗粒土在水力作用下狼友线观看免费观看，是一種結(jié)構(gòu)極不穩(wěn)定的土體，在滲流作用下極易發(fā)生滲透變形200avcom，容易引起壩體的滲透變形破壞久久精品视频96。從滲透系數(shù)的變化上分析，其滲透變形過程是一個連續(xù)的過程日韩,欧美在线不卡片，土體的破壞形式大都屬于管涌破壞A女人黄色网站，破壞坡降較小，一般破壞坡降都小于2.5欧美黑人巨大激情视频，有的甚至小于1.0一区,二区,三区乱淫视频。

Nowadays, the study of modern model theory lies in the exploration time, and the study is limited in the area drilling of model. There are a substantial distinction between the construction of physical model and schema as discipline difference, although there are many learning models in mathematics that have been developed.

目前，國內(nèi)關(guān)于現(xiàn)代圖式理論在教學(xué)中實施的研究欧美三级自拍视频，尚處于探索階段7788色婷婷，研究大都局限于學(xué)科知識圖式的訓(xùn)練上，雖然數(shù)學(xué)學(xué)科有關(guān)數(shù)學(xué)建模的研究較多国产丝袜熟女视频一区，但因?qū)W科間的差別決定了物理模型與圖景的建構(gòu)與數(shù)學(xué)建模有著本質(zhì)的差異一级毛片精品免费播放。

Because of the lack of separation of dispensary and medical practice in many areas of Japan, many clinics have limited stocks of drugs.

因為在日本大都沒有將藥房與醫(yī)務(wù)室分開來，這使得很多診所藥品儲存量非常有限久久综合网天天桃花网。

My father's little library consisted chiefly of books in polemic divinity, most of which I read.

我父親的小圖書館大都是神學(xué)宗教的書丁香婷婷五月综合，大部分我都讀過。

One major theme of his dramas is the conflict between the people in the process of production.

他的戲劇作品大都是以生產(chǎn)過程中的人際沖突為主題性香港XXXXX免费视频播放，并且給予時政嚴(yán)厲的批評色色碰精品。

We are not simply born to be great. As time goes by, we take our destiny in hand rather than drift along.

改到了會議室，使得這場講座看上去更像是一個seminar日韩自拍中文在线视频观看，參加的大都是老師或者是相關(guān)領(lǐng)域的研究生欧美黄色视频第一次。

Not long ago, the stock market plummeted around the world, Europe and the United States most of the stock market index fell to 12-year low, the U.S. oil futures in April night in a 10.3 percent drop, indicating a new round of crisis with the entire world the extent of the rapid the degree of pessimism.

不久前，全世界的股市出現(xiàn)暴跌黄网址免费，歐美股市的股價指數(shù)大都跌至12年來的最低點日韩美乳精品无码福利视频，美國4月份的石油期貨在一夜間暴跌10.3％，顯示了新一輪危機的迅猛程度與整個世界的悲觀程度www.krttz.com。

All of the liquid, and most of the substrate can detect the Dyne value.

所有的固體以及不小大都承印物都可以測不入其達(dá)因值亚洲日本无吗在线视频。