upstream 中文意思是什麼

音標 ['ʌp'stri:m]
upstream 解釋
adv. 動詞 副詞 向上游，溯流。
adj. 形容詞 1. 溯流而上的。
2. （石油工業等）上游的，和石油的勘探、開采及輸送到起運港口有關的〈石油工業此後的提煉等過程則稱為下游（downstream）產業〉。

  1. As the velocity in the nozzle throat is sonic, the effect must be transmitted upstream through the boundary layer.

    當噴管喉部達到音速時，這種影響一定是通過附面層向上傳播而引起的。
  2. The explorers paddled their canoe cautiously upstream.

    探險者們謹慎地把獨木舟向上游劃去。
  3. With development and maturation of citrus fruit, chlorophyll content of citrus fruit peel decreased, being acompanied by a gradual decrease in a - carotene and p - carotene which are known to be in the upstream of carotenoid biosynthesis pathway. the decrease continued up to complete vanishment of the carotenes. on the other hand, p - cryptoxanthin, p - citraurin and zeaxanthin that are in the downstream of carotenoid biosynthesis pathway increased steadily and became the principal carotenoid components

    隨著柑橘果實發育和成熟，果皮葉綠素含量下降，與此同時，位於類胡蘿卜素生物合成途徑上游的-胡蘿卜素、 -胡蘿卜素等胡蘿卜素成分逐漸下降直至消失，而在類胡蘿卜素生物合成途徑下游的-隱黃質、 -檸烏素、玉米黃素等葉黃素成分逐漸上升，使得類胡蘿卜素總量先略微下降后迅速上升；果實褪綠並呈現其特徵色澤。
  4. These constitute the upstream and downstream faces of the porous domain.

    這些是由多孔區的上游面和下游面組成。
  5. When the downstream head is greater than about 3/5 of the upstream head, flow is submerged.

    當下游壓頭大於上游壓頭約35時，流量是潛流。
  6. The salt water, being more dense, flows upstream under the fresh water which is flowing downstream.

    淡水在上層向下流動，比重更大的鹽水在下層逆流向上。
  7. Fluent was used to simulate the flowfield of 3 - d complex flowfield of rocket - missile with wings and empennages induced by the interaction by base jet and the flow around the body. in order to study the complex flow problem above, numerical simulations were performed under the following kinds of flow conditions : ( l ) flow of rocket - missile with wings disturbed by supersonic upstream flow. ( 2 ) flow of rocket - missile with wings disturbed by supersonic upstream flow with attack angle

    為了研究以上復雜流場考慮了如下幾種情況： （ 1 ）帶彈翼彈箭超音速無攻角繞流； （ 2 ）帶彈翼彈箭超音速有攻角繞流； （ 3 ）帶彈翼彈箭亞音速有攻角繞流； （ 4 ）帶彈翼彈箭超音速有攻角繞流噴流干擾； （ 5 ）帶彈翼尾翼彈箭超音速有攻角繞流； （ 6 ）帶彈翼尾翼彈箭超音速有攻角繞流噴流干擾。
  8. A perturbation in pressure at the upstream end of the feed system could result in sizable oscillations in flow rate and chamber pressure.

    供應系統上游端的壓力擾動可導致相當的流量和室壓振蕩。
  9. Then, to help the salmon swim upstream to deposit their eggs, they build special fish ladders up the smaller dams and rapids.

    同時，為幫助鮭魚逆水，游回產卵的地方，他們在較小的水壩和急流上建設魚梯。
  10. According to the test and observation indicated that mostly fish goes upstream and far away the sluiceway when fish migration, so fishway designed by us was arranged in the right bank of reservoir area and far away from the electricity generation hole intake upstream about 280 meters in order to induce the fish entering the fishway

    根據試驗和觀察表明，魚類洄遊時大都沿岸上溯，同時應遠離泄水道，故我們的魚道進出口是布置在庫區右岸，離發電洞進口上游約280米處，以利誘導魚類進入魚道。
  11. Graziers are accused of over - stocking and siphoning off water for their own use without paying for it, while cotton growers are accused of coveting an over - allocation from the upstream burrenjong dam

    放牧人被指責是牲畜飼養過量，從濕地中引水自用卻不支付任何費用；同時，棉花種植者也被指責一心只想從布瑞鐘水壩上游裝置分水引入裝置而導致的後果。
  12. Seawater invades for a distance of about 50 miles upstream.

    海水浸入上游遠至50英里。
  13. The first life net or its corporations want to be a leader of the originality value - chain of the world and make our daily life exciting and beautiful by the means of integrating the global supply - chain and distrbution meshwork and by the means of the professional service platform, uniting the upstream and downstream of industrial chain to make progress hand in hand

    公司以集成全球供應鏈、銷售網為基礎，以建立全球專業設計平臺為手段，攜手產業鏈的上下游共同進步，把第一生活網打造成全球時尚創意價值鏈的領軍者、整合者，為人類締造更加精彩美好的生活。
  14. There are some disadvantages on traditional construction method of the transition material 2b on upstream face of concrete face rockfill dam, i. e. overtopping, slope - cutting and incline compaction

    混凝土面板堆石壩上游坡面傳統的墊層料超填、削坡、斜坡碾壓的施工方法存在許多弊端。
  15. This paper carries on the 3d finite element structure analysis for power house monolith with a bulb turbine hydropower station located in the upstream of huang river as the carrier

    摘要以黃河上游擬建的某燈泡貫流式水電站為載體，對廠房壩段整體進行了三維有限元結構分析。
  16. The activities of totalfinaeif are divded into four business divisions ; upstream, ( exploration and production of crude oil and natural gas ) ; trading and midstream gas and electrcity ; downstream ( relining distrbution of oil products and imternaeional trade in crude oil and petroleum products ) and chemicals

    道達爾菲納埃爾夫公司的業務可分為四個業務領域：上游（原油和天然氣的勘探生產） ；貿易、天然氣與電力；下游（煉油、成品油銷售、原油和各類成品油的國際貿易）和化工。
  17. Riprap protection for dam slope on the upstream of daguangba earth dam

    梅村水庫砌石拱壩防滲加固設計
  18. The falls upstream are full of salmon.

    該瀑布上流有許多大麻哈魚。
  19. The fish were madly pushing their way upstream to spawn.

    魚群為產卵而瘋狂地向上游擠進。
  20. Suction piping for all pumps shall have at least five ( 5 ) times the nominal pump suction flange diameter of straight pipe upstream of the suction nozzle

    所有水泵的吸水管道直徑至少應有5倍于吸入口的上升直水管段的額定邊緣直徑。
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