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ctd CTD = circling the drain 〔俚語...

cten-

Based on the two ctd data sets from the cruise of the summertime in 2000 and wintertime in 2001 in bohai sea and the collected historic observed thermohaline data , we analyse systemically the distributional characteristics of temperature , salinity and density in wintertime and summertime in the bohai sea and the results reveal that the current hydrologic characteristics of the bohai sea have some obvious variances relative to the previous research results . in summer there are three low - temperature centers in the middle - layer and underlayer of the middle parts of the bohai strait , liaodong bay - mouth and bohai bay - mouth , but there is a uniform high - temperature center in the middle part of the bohai sea . in winter the isotherms extend westward and northward to the bohai sea from the warm core of the bohai strait and a cold - water tongue off the qinhuangdao spreads southeastward out , so the saddle - like isotherm pattern is formed in the middle part of the bohai sea 利用2000年夏季和2001年冬季渤海兩次ctd資料和以前收集的渤海溫鹽調查資料,分析了渤海冬、夏季溫鹽密度的分布特征,結果表明,渤海現有的水文特征與以往研究結果相比發生了明顯的變異:夏季在渤海海峽、遼東灣口和渤海灣口中部中、下層存在三個低溫中心,在渤海中部則出現一個上下均勻一致的高溫中心;冬季等溫線以渤海海峽暖中心向西和向北兩個方向伸入渤海,而從秦皇島外海有一冷水舌向東南方向伸展,在渤海中部海域形成“馬鞍狀”等溫線結構。

The main products are cby series of hand - driven hydraulic - tray carrying vehicles , cty series of hydraulic - tray loading vehicles , coy series of hydraulic - tray cylinder vehicles , ctd series scissontype hydraulic elevation platform , sjy series of electric elevator , aluminium alloy elevator , cbd series of motor - driven carrying vehicles and different types of hydraulictray cylinders 公司主要產品有cby系列手動液壓搬運車cty系列液壓裝卸車coy系列液壓圓桶車ctd電瓶堆高叉車sjy電動升降平臺鋁合金升降平臺cbd系列電動搬運車各種類型的液壓油缸汽缸。

In this text , according to south china sea ( scs ) hydrology investigation data , including the nansen data , bt and ctd data , thermocline distribution of scs and its characteristics have been studied . at same time , with the data of sun “ s thermal radiation , air temperature , and other weather data the ocean thermocline has been calculated . the research involves the following aspects : large - scale data processing method ; data quality control ; thermocline identification and statistics method ; thermocline map ; thermocline influence factors of scs ; thermocline results comparison using nansen data and bt data ; thermocline forecast 研究涉及到以下幾個方面:大規模資料的處理方法、質量控制;溫躍層的計算機識別、溫躍層的統計分類方法;南海溫躍層三項示性特征圖的繪制;南海溫度躍層的影響因素、南海溫度躍層的分布狀況;南森資料與bt資料計算南海溫躍層的結果比較;海洋上層溫度結構模式及計算等。

Abstract : the development course , advantages & amp , shortcomings of coiled tubing drilling ( ctd ) techniques are presented , as well as surface equipments and downhole tools for ctd . the applications and new progress of ctd from abroad are introduced 文摘:敘述了連續油管鉆井技術的發展歷程、優缺點、連續油管鉆井所需的地面設備和井下工具,并介紹了連續油管鉆井在國外的應用情況和最新進展。

In the usa , ctd was the most common disorders among work - re - lated injuries 由于工作的分工愈來愈精細,工作時間愈來愈長,累積性傷害疾病已擠身為職業傷害排名的第一位。

Ctd electric stacker Ctd電動堆高車

Cell transfer delay , ctd 信元傳送延遲

Ctd electric hand stacker Ctd手推電升堆高車

Ctd cable thermal detector 纜式線型感溫探測器

Ctd committee on trade and development 貿易發展局

Cumulative trauma disorders ( ctd ) have increased five - fold dince 1979 摘要累積性傷害疾病是現代工商業社會產物。

Ctd contrlolled traction differential 可控制調整牽引力差速器

Verification regulation of ctd measuring instruments 溫鹽深測量儀檢定規程