長期凍結 的英文怎麼說

中文拼音 [zhǎngqīdòngjiē]
長期凍結 英文
paleocrystic
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 期 : 期名詞[書面語]1. （一周年） a full year; anniversary 2. （一整月） a full month
  • 凍 : Ⅰ動詞1 （液體或含水分的東西遇冷凝固） freeze 2 （受冷或感到冷） feel very cold; freeze; be frostb...
  • 結 : 結動詞（長出果實或種子） bear （fruit）; form （seed）
  • 長期 : over a long period of time; long-term; long range; secular
  • 凍結 : 1. （液體遇冷凝固） freeze; congeal2. （阻止流動或變動） frozen-in; freeze-up; congealment; block
  1. Different from mammals, the early embryos of fish can not be preserved for the long period at the very low temperature ( - 196 ). therefore, three methods were usually applied to cryogenic preservation of the fine and rare species of fish : 1 ) perserving fish spermatozoon in cryogenic condition. researchers have had systematically studied on this technique for many years, and this technique has been utilized in application and made a lot of effects ; 2 ) combining with the techniques of cell engineering ( nuclear transplantation and electric fusion etc. ), and through the process of culturing histiocyte of fish, cryopreservation and re - culture after thawing, carrying out somatic cell breeding of fish. the past studies showed that the nucleolus of somatic cells of fish have totipotency

    多年來，國內外學者對各種魚類精液的冷凍保存進行了大量的系統研究，目前這項技術已達到實用水平，並日益發揮作用；二是對魚類培養的組織細胞冷凍保存，通過魚類細胞的培養、超低溫凍存、解凍后再培養過程，結合細胞工程技術（如核移植、電融合等）進行體細胞育種；大量的研究結果表明魚類體細胞核具有發育的全能性，隨著細胞培養技術、細胞工程技術日益發展成熟，完全具備實現魚類物種種質長期保存的理論基礎和技術條件。
  2. After this season of congealed dampness came a spell of dry frost, when strange birds from behind the north pole began to arrive silently on the upland of flintcomb - ash ; gaunt spectral creatures with tragical eyes - eyes which had witnessed scenes of cataclysmal horror in inaccessible polar regions of a magnitude such as no human being had ever conceived, in curdling temperatures that no man could endure ; which had beheld the crash of icebergs and the slide of snow hills by the shooting light of the aurora ; been half blinded by the whirl of colossal storms and terraqueous distortions ; and retained the expression of feature that such scenes had engendered

    潮氣結為霧淞的季節過去了，接著而來的是一段乾燥的霜凍時期，北極後面一些奇怪的鳥兒開始悄悄地飛到燧石山的高地上來這些骨瘦如柴的鬼怪似的鳥兒，長著悲傷的眼睛，在人類無法想象其廣袤寥廓的人跡罕至的極地，在人類無法忍受的凝固血液的氣溫里，這種眼睛曾經目睹過災難性地質變遷的恐怖在黎明女神播灑出來的光明裡，親眼看到過冰山的崩裂，雪山的滑動在巨大的暴風雪和海水陸地的巨變所引起的漩流中，它們的眼睛被弄得瞎了一半在它們的眼睛里，至今還保留著當時看到這種場面的表情特點。
  3. Results showed that moisture content was mostly removed during sublimation period of freeze - drying, while rapidly dropped during earlier period of air - drying and gradually decreased during vacuum belt drying

    結果表明：真空冷凍乾燥物料中的大部分水分在升華階段去除，熱風乾燥初期水分含量迅速下降，真空帶式乾燥物料水分隨時間延長呈比較均勻的下降。
  4. The temperature of upper reach is higher than that of lower reach, therefore, the river freezes up from lower reach to upper reach and breaks up from upper reach to lower reach. secondly, inner mongolia reach lies in inland area. it is far from ocean and controlled by mongolia high - pressure

    其次，內蒙段處于內陸地帶，離海洋距離遠，暖濕氣流難以到達，常為蒙古高壓控制，呈典型的大陸性氣候，年降水量少，夏季盛熱短暫，冬季嚴寒漫長，河流結冰期長達4 - 5個月，大部分為穩定封凍河段。
  5. The results demonstrate that the upper limit of permafrost in this area had declined from 1970s to the middle phase of 1990, and permafrost has appeared degenerate tendecy, but since middle 1990s, permafrost have a stable state ; ground temperature of roadbed near the earth surface is higher than that of the natural ground, thawing time of roadbed near the earth surface is longer than that of the natural ground, the heat income within the permafrost is greater than the heat release from the permafrost during anannual period, the heat accumulation within the permafrost is temporarily appeared as temperature rising, but with the heat accumulation within permafrost growing up year by year, permafrost temperature will become higher gradually, and strong thawing of permafrost could be happened in the region

    結果表明：風火山地區從20世紀70年代到90年代中期凍土上限下降，凍土出現退化現象，從90年代至今凍土趨于穩定；路基近地表地溫明顯高於對應天然地表下的地溫，路基近地表經歷的融化期長于對應天然地表，進入多年凍土區的熱收支也呈現出吸熱明顯大於放熱的周期性變化，進入多年凍土的熱積累暫時以增高地溫耗熱為主，但隨著凍土吸熱量的逐年積累、凍土溫度的不斷升高，本區凍土可能發生強烈融化。
  6. It was shown that salt expansion value of low liquid - limit clay was accumulated before the sixth freezing and thawing cycles, but the increment of salt expansion was reduced gradually with increasing cycles ; the salt expansion accumulation of low liquid - limit clay could be separated into three phases ; the deformation of clayey sand was mostly frost heave and subsidence under cycles, and collapsibility value of clayey sand was accumulated with increasing cycles ; the variation of salt expansion ratio and collapsibility ratio was a parabolic function of freezing and thawing cycles

    試驗結果表明：低液限粘土前五次凍融循環過程中鹽脹具有較好累加性，隨著凍融循環次數的增加，鹽脹量增長速度逐漸降低；含砂低液限粘土的鹽脹過程可以被分為三個階段；粘土質砂在凍融循環過程中的變形主要為凍脹和沉降變形，具有較好的溶陷累加性；低液限粘土、含砂低液限粘土的鹽脹率和粘土質砂的溶陷率與凍融周期之間的關系符合二次拋物線變化規律。
  7. The result indicated that, mix the mineral mixture of fly ash, flag into concrete can optimize the concrete pore structure, improve the concrete compressive strength and impermeability, and along with the age increment the improvement become more obviously ; after saturated freezing and thawing, the concrete pore structure changed apparently, total porosity increased, macro porous quantity rapid increased, small pore quantity reduced, mean radius and most probable aperture increased ; and the more saturated degree, the more obviously destructive effect

    研究表明:在混凝土中摻加粉煤灰、礦渣等礦物摻合料優化了混凝土的孔結構，提高了混凝土的抗壓強度和抗滲性能，且隨齡期的延長這種改善作用更加明顯;飽水凍融后混凝土的孔結構變化明顯，總孔隙率增加，大孔數量急劇增大，小孔數量減小，平均孔徑和最可幾孔徑增大;且飽水程度越大，這種破壞作用越明顯。
  8. Based on five years regional water - salt monitoring data and related hydrological and weather information in the smaller scale experiment zone ( shahaoqu ), the regional water - soil ( salt ) environment regime including grounder water table depth, water quality, superficial layer ( 0 - 40cm ) and middle layer ( 40 - 70cm ) soil moisture and saline concentration are simulated, tested and predicted using bp model. at the same time, the rbf model is be used to calibrate the results of bp

    以一個小尺度試驗區的多年區域水鹽監測資料及水文氣象資料為建模依據，對試區非凍期（作物生長期）的地下水位、地下水質、土壤水鹽（ o - 40cm ， 40 - 70cm ）的水-土（鹽）環境狀況進行了較為深入全面的模擬預測，並進行了rbf模型預測結果的對比。
  9. In june, the corporation launched public consultations on its intention to end a three - year moratorium on fare adjustments, by proposing a

    今年六月，公司展開公眾諮詢，聽取公眾對結束長達三年的票價凍結期的意見，並建議提高加權平均票價，增幅為百分之三點一。
  10. Consequently, the financial secretary has announced in his 1999 - 2000 budget speech that the moratorium would be extended for another six months and that the government would seek the views of members of the legislative council on the level of increase and the priority for adjusting different fees and charges upon the expiry of the moratorium

    財政司司長在1999 - 2000年度的財政預算案演詞中，宣布把凍結收費的安排延長6個月，並表示政府會就凍結期后調整收費的幅度及優先次序，諮詢立法會議員。
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