Results: Of the 1135 patients undergoing EEG, 303 (27%) were sedated with chloral hydrate.

結(jié)果：在1135個接受腦波檢查中有303(27%)個兒童使用chloral hydrate48手机无码免費在线。

This theory is demonstrated by three examples: the natural gas blowout when drilling in the permafrost, the hydrate cropouts in the seafloor and the gas bubbles in abyssal plumes. Then, several conclusions are drawn: there maybe exist the seeping and diffusing types of gas hydrate reservoirs which may still be growing in the Xisha trough, Dongsha continental slope of the South China Sea, west and south of Taiwan basin, and Bijianan basin; whereas in the Qiangtang basin of the Qinghai\|Tibet plateau may exist the regressive\|type gas hydrate deposit. Furthermore, the phenomenon of hydrocarbon gas leaking in the Qilian mountain areas and Junger basin indicates that these areas may ensconce gas hydrate reservoirs.

指出天然氣水合物賦存狀態(tài)主要有3種類型欧美日韩国产VA在线观看免费，即成長型、成熟型和消退型欧美性恔图片在线观看，認(rèn)為我國南海北部陸坡區(qū)的西沙海槽色七七亚洲另类、東沙群島東南坡、臺西南盆地A片免费在线小视频、筆架南盆地等區(qū)域有可能存在著仍處于發(fā)育階段的滲透型或擴散型水合物層国外爱爱网站，而青藏高原羌塘盆地則是屬于消退型水合物，祁連山地區(qū)另类免费高清视频、準(zhǔn)噶爾盆地等的烴類氣體泄漏表明在我國西北和東北的凍土帶也可能存在著含氣水合物層不卡福利一区视频。

According to the real situation of gas-field exploitation, the hydrate generating system is simulated by the actual conditions as much as possible. Taking some gas field as example, with JEFRI sapphire hydrate device, the liquid systems of gas hydrate generating with frothing agent, electrolyte and condensate oil are studied by experiments and compared with the pure water system. The variation of critical conditions to form gas hydrate and its influence on the effects of inhibiter are discussed for the 3 hydrate systems, which provides the basis to prevent hydrate generation in the fields.

針對氣田生產(chǎn)的實際情況尹人在线视频综合，文章盡可能接近現(xiàn)場水合物生成體系，以某氣田為例日本三级精品，利用JEFRI藍(lán)寶石水合物裝置影音先锋AV我色资源，通過實驗分別研究了含泡排劑、含電解質(zhì)和含凝析油的天然氣水合物生成液體體系可以看黄色一级片的网站，并與純水體系進(jìn)行對比日韩福利在线视频免费观看，探討了在這3個體系中天然氣水合物形成的臨界條件的變化以及對抑制劑抑制效果的影響，從而為水合物的現(xiàn)場防治提供了依據(jù)www.MMM日本。

The conclusions can be drawn through numerical simulation: The hydrate-forming region becomes small with increasing circulation rate and inhibiter concentration, and it is possible to make the hydrate-forming region away from sea floor by increasing circulation rate and inhibiter concentration, thus preventing blowout preventer lines from hydrate plugging; the decrease in gas volume fraction in the annulus due to hydrate formation reduces pit gain, which can delay the detection of well kick; the possibility of hydrate presence at a relatively low gas production rate is much greater than that at a relatively higher production rate; the bottom hole pressure is affected little by hydrate phase transition, and it is allowable not to consider hydrate phase transition when the bottom hole pressure is calculated; shut-in casing pressure cann't truly reflect gas kick due to hydrate formation and the situation is getting worse with time

模擬計算結(jié)果表明：溢流期間日韩图片自拍视频，天然氣水合物的生成區(qū)域會隨著循環(huán)流量的增大或抑制劑濃度的提高而減小，可通過增大流量和抑制劑濃度使水合物的生成區(qū)域脫離海底黄色视频在线精品，減小防噴器管線被堵塞的危險在线观看视频国产；水合物的生成使環(huán)空中氣體體積分?jǐn)?shù)降低，泥漿池增量減小人人人人色人人人人人人，給溢流檢測帶來延遲黄色视频在线观看wwww；當(dāng)檢測到有氣侵發(fā)生時，水合物藏分解速率比較小時精品综合日韩久久久久久久，井筒中生成水合物的可能性要比分解速率大的情況下更為嚴(yán)重人人操人人干人人做；水合物相變對井底壓力的影響較小，在工程中計算井底壓力時可以忽略A级日本一线www；由于天然氣水合物的生成使得關(guān)井套壓值不能真實反應(yīng)氣侵情況超碰在线最新发布免费，而且隨著時間的增加情況會更加嚴(yán)重。

The paper commencing with analyses of the basic property of the hydrate, structure and sort, analyzes micro kinetics, formation condition, gas hydrate formation mechanism and influencing factor in high sulfur; also proceed analysis in depth for existent hydrate prediction model; according to gas dissolving, hydrate lattice deformation, synergistic action of inhibitor, carry out analytical study for existent error between normal forecast model and physical condition; introduce key parameter theory to establish and modify prediction model of hydrate formation condition to suit for high sulfur gas reservoir and inhibitor system, analyses different kinds of prevention and cure measures to influence of hydrate; finally, through field application in high sulfur gas reservoir hydrate.

本文從分析水合物的基本性質(zhì)欧美人禽网站、結(jié)構(gòu)與分類出發(fā)99久久久无码国产精品动漫，分析了水合物生成過程中的微觀動力學(xué)、生成條件三级黄色毛片无遮挡、高含硫天然氣水合物生成機理以及影響因素欧美老妇被操；并對現(xiàn)行的水合物預(yù)測模型進(jìn)行了深入剖析，根據(jù)氣體溶解aaa湿湿湿、水合物晶格變形美女A级黄色的18禁网站、抑制劑協(xié)同作用等因素對常規(guī)預(yù)測模型與實際條件之間存在的誤差進(jìn)行了分析研究；通過引入關(guān)鍵參數(shù)理論色黄网站在线播放，建立并改進(jìn)了適合高含硫氣藏水合物生成條件預(yù)測模型及抑制劑體系的高含硫水合物生成條件預(yù)測模型久草黄网站，分析了各種防治措施對水合物的影響；最后通過高含硫氣藏水合物實例計算操操日日日操，分析了含硫化氫亚洲一区国产高清视频在线观看、二氧化碳組分的天然氣與常規(guī)氣體對水合物生成條件的影響，并對各種水合物防治措施進(jìn)行了實例計算一级黄色一级黄色一级黄色一级黄色a级毛片。

Two. Chloral hydrate is one kind of secure really good somnifacient, commonly used helps sleep around each kind of inspection or the surgery.

二黄色视频你们懂的。Chloral hydrate 是一種安全性甚佳的催眠劑亚洲熟妇AⅤ无码一区二区，常用於各種檢查或手術(shù)前后之用。

Although a long time has past since the natural gas hydrate has been discovered,the research has been confined to the pr evention and inhibition of the hydrate formation all along.Because the hydrate h as a peculiar cagelike crystal structure,1 m3 of hydrate can envelop 150～200 m3 of natural gas.

天然氣作為一種清潔能源亚洲强奸视频在线观看，其水合物的發(fā)現(xiàn)雖已有很長的歷史亚洲97AV一区，但一直局限在防止和抑制水合物的生成研究上，水合物具有獨特的結(jié)晶籠狀結(jié)構(gòu)亚洲日韩在线一区二区三区，1 m3水合物可以包絡(luò)150～2 00 m3 天然氣91黄色一级视频。

ABSTRACT : Although a long time has past since the natural gas hydrate has been discovered,the research has been confined to the pr evention and inhibition of the hydrate formation all along.Because the hydrate h as a peculiar cagelike crystal structure,1 m3 of hydrate can envelop 150～200 m3 of natural gas.

摘 要 天然氣作為一種清潔能源，其水合物的發(fā)現(xiàn)雖已有很長的歷史无码97视频，但一直局限在防止和抑制水合物的生成研究上黄色视频玖玖网站，水合物具有獨特的結(jié)晶籠狀結(jié)構(gòu)，1 m3水合物可以包絡(luò)150～2 00 m3 天然氣国产综合一区二区三区精品。

In this paper, the marine soft soil is mixed with 10% cement added with 0.5% NaOH and 0.5% Na2CO3 separately, which form two types of new cement-soils. Comparing with the undisturbed soil and the 20% cement-soil results in that the alkalescence additive can contribute to generate a large number of needle-like, rod-like or fibriform hydrate calcium silicate crystals. The hydrate calcium silicate crystals can inhibit the generation of calcic alum crystal which would bring expansive action. At the mean time, it can separate out hydrate calcium. The hydrate calcium silicate crystals and hydrate calcium constitute the filling and inclusions together among soil particles and on the surface of soil particles, which cut down the interstices of cement soil obviously. Therefore, the soil mass can be reinforced and the intensity can be improved.

現(xiàn)場試驗中將海積軟土與分別摻入0.5%NaOH和0.5%Na2CO3的10%水泥就地攪拌日本片一级，形成兩種新型水泥土，在與原狀土及20%純水泥土進(jìn)行比較后色欲无码综合视频一区二区，發(fā)現(xiàn)堿性外摻劑可以促使生成大量針狀91久久精品国产91性色tv、棒狀或纖維狀水化硅酸鈣晶體，抑制了能產(chǎn)生膨脹作用的鈣礬石的生成97在线看视频，同時国产熟女高精品裸交视频，有Ca2晶體析出，它們共同構(gòu)成土顆粒間和土顆粒表面的充填物和包裹物性插影院色插，使水泥固化土的孔隙明顯減小欧美日韩精品巨乳中文字幕，密度和強度得到極大提高。

Pristine Li-Al LDHs are synthesized by hydrothermal process in different reaction conditions by varying the aging time for 1 and 24 hours. Both the Li-Al layered double hydroxides (abbreviated as Li-Al LDH1 and Li-Al LDH24 for aging time 1 hour and 24 hours, respectively) were modified by using sulphanilic acid sodium salt hydrate, modified agent to form modified Li-Al LDH1-SAS and Li-Al LDH24-SAS. The morphology of the pristine layered double hydroxides are investigated by using wide angle X-rays diffraction, scanning electron microscopy and particle size analyzer which indicates that the crystallinity and aspect ratio is increased with increasing the aging time from 1 hour to 24 hours. The particle size of Li-Al LDH24 and Li-Al LDH1 are found to be ~1000 nm and ~250 nm, respectively. Both the pristine and modified LDHs are characterized by XRD, FTIR spectra and thermogravimetric analysis.

本研究目的在於改變長晶時間的長短a在线免费观看视频，合成出同徑大小的Li-Al LDHs欧美视频97色伦影院，再經(jīng)由改質(zhì)劑sulphanilic acid sodium salt hydrate將Li-Al LDHs無機層材表面有機官能化制備出改質(zhì)型Li-Al LDHs-SAS亚洲无码网站，於是進(jìn)一步藉由掃描式電子顯微鏡国产精品狼友网站视频、射徑儀和穿透式電子顯微鏡等儀器分別觀察LDHs改質(zhì)前和改質(zhì)后其主層結(jié)構(gòu)型態(tài)上的變化；從中可以發(fā)現(xiàn)Li-Al LDHs隨著長晶時間的增加其徑有隨之增大的趨勢欧美一级又大又粗的A片，但經(jīng)有機化改質(zhì)后其徑會由於改質(zhì)環(huán)境的影響明顯低許多真实国产激情在线观看网站免费视频，針對此現(xiàn)象本實驗將未改質(zhì)和改質(zhì)后之Li-Al人工無機層材制備成復(fù)材進(jìn)一步探討其在熱性質(zhì)和難燃特性上的為表現(xiàn)。