英语释义

1. in the direction of or nearer to the mouth of a stream
floating downstream located two miles downstream

2. in or toward the latter stages of a usually industrial process or the stages (such as marketing) after manufacture
improving profits downstream downstream products

3. toward the end of a series of cellular processes following a linked molecular event occurring in a sequence
But by looking downstream of the tumor suppressors [genes] at the proteins they influence, drug developers hope to find good targets.
— Marcia Barinaga

4. in the direction in which a stream, river, etc., flows

5. in the direction a stream is flowing
paddling downstream

6. in the same direction along a molecule of DNA or RNA as that in which transcription and translation take place and toward the end having a hydroxyl group attached to the position labeled 3′ in the terminal nucleotide
a nucleotide sequence located downstream from the regulatory gene effects on the expression of downstream genes — compare upstream sense 1

7. toward the end of a series of cellular processes following a linked molecular event occurring in a sequence
But by looking downstream of the tumor suppressors [genes] at the proteins they influence, drug developers hope to find good targets.
— Marcia Barinaga, Science, 7 Nov. 1997 The tyrosine kinase activity of phosphorylated EGFR [epidermal growth factor receptor] in cancer cells results in the phosphorylation of downstream proteins that incite cell proliferation, invasion, metastasis, and inhibition of apoptosis.
— Jonathan E. Dowell and John D. Minna, The New England Journal of Medicine, 24 Feb. 2005

片语

down-stream sales顺流销货

down-stream product下游产品

downstream industry下游产业；下游行业；下业

downstream processing下游处理

down the stream向下游

Gently Down The Stream缓缓地顺流而下

down-stream cycle气流下降期

paddle down a stream划桨沿溪流而下

down-stream key下游键

drift down the stream顺流而下

Float Down The Stream顺流而下

英汉例句

• the problems for water use between up and down stream can be solved and the higher efficiency of water use can be obtained.

  该方案的实施可以有效地缓解黄河上、下游水资源利用的矛盾，使有限的水资源发挥较大的效益。

• and the strong capability of channel self adjusting in mid and down stream reaches of changjiang river is …

  同时剖析和验证了长江中下游河床具有较强的自动调整作用。

• a cutting apparatus mechanism is provided with the printing heads overlappingly and is in the down stream of the paper path relative to the printing heads so as to cut the continuous paper.

  切割器机构，其重叠地设置有所述打印头，并且相对于所述打印头设置在所述纸路的下游，以便切断连续的纸；

• at the down stream area of consumption, as the residential income increases slowly, the driving force for improving demand for automobiles and houses is in a short.

  而在下游的消费领域，居民收入提振乏力，使得汽车和房地产消费上升的动力不足。

• the agitating and dredging process and its effect in the down stream of yellow river during the third experiment of regulating water and sediment have been summed up in this paper.

  概述了黄河第三次调水调沙试验下游泥沙扰动调度实施过程及扰沙效果。

• development of down stream products and progress in synthetic technology of methyl formate are summarized.

  综述了国内外甲酸甲酯合成技术进展及下游产品开发；

• the soul, going down stream in this gulf, may become a corpse. who shall resuscitate it?

  漂在那深渊里的心灵可以变成尸体，将来谁使它复活呢？

• feelings tenderness at her eyes, i seem to have lost a man「s personality, tears can not help down stream .

  看着她含情脉脉的眼神，我似乎失去男人的个性，眼泪禁不住往下流。

• the sand content in the water flux affects the down stream sand and with less impact when the slope is long.

  坡面水流含沙量对坡面产沙有一定的影响，随坡长越大影响力越小。

• the real?time regulation?control model for the dry season of the yellow river down stream of the xiaolangdi project is established and the method for solving the model is proposed.

  以黄河下游为例，通过对水资源实时调控过程和不同调控结构的特征分析，建立了黄河小浪底以下河段枯水实时调度模型，并提出了求解方法。

• requirement: air inlet must start to open when down stream pressure is 1.0 psi or above.

  要求：当下游流体压力在1.0psi及以上时，空气进口必须开始打开。

• the 56th nucleotide and its down stream trs of sarscov 5」utr plays a key role in regulating transcription.

  utr在调控基因转录时，第56位核苷酸及其下游的trs具有重要作用；

• it is in this manner that, in the blindness of a poor political economy, we drown and allow to float down stream and to be lost in the gulfs the well-being of all.

  由于这样，一个盲目而又拙劣的政治经济学使公众的福利丧失，付之流水，使它沉没在深渊中。

• all kinds of methods for removing hydrogen sulfide in tail gases and some developments & applications of the down stream products were described.

  介绍了含硫化氢尾气的各种凈化方法以及下游产品的开发与应用。

• this article summarizes the application and development trend of novel carbamide and other fertilizer products. it also discusses the production and application of down stream fine chemical products.

  概述了新型尿素的应用和发展趋势，并对尿素下游精细化工产品的生产和应用进行了阐述。

• the measures of strengthening the mangement of chemical accidents are discussed by analysing the risks in transportation of dangerous goods of bulk liquid at down stream of the yangtze river.

  通过对长江下游水域散装液态危险货物运输的风险分析，探讨加强该水域化学事故风险管理的措施。

• because they have received commitments down stream industries.

  因为他们有源源不断接承下来的产业。

• down stream anaerobic biological filter where waste-water poured from top was used as anaerobic processing device in which bacteria colloid was found on padding in biological membrane form.

  厌氧处理装置使用下流式厌氧生物滤池，其中菌胶团以生物膜的形式附着在填料上，进水从反应器顶部注入。