? Downstream and countercurrent? What does this mean?
When the flow direction of flue gas and working medium is the same, it is called concurrent flow.
When the flow direction of flue gas and working medium is opposite, it is called countercurrent.
Extended data:
Downstream interpretation:
1, flowing along the terrain.
(1) Jia Xin Yu Dao Ji: "A hundred rivers flow downstream, and each belongs to his place."
(2) Han Juegan's "Yilin Linzhi": "A hundred rivers flow downstream and the people live in peace."
(3) Ye Shengtao's Night of Diaphragm Terror: "His boat, probably due to the efforts of the boatman or the downstream of the water, rowed once or twice and reached the opposite water port."
2. Follow the current.
(1) Liu Hanxiang's "Good Policy under the New Order": "The princes have changed, and it is enough to fail and go downstream. This so-called Jincheng is a thousand miles away, and the country of abundance is also. "
(2) Tang Yuxi's "Ping Qi Xing" (2): "Thousands of miles rushed down the river, and Hong Bohan was indifferent to the bear."
(3) Romance of the Three Kingdoms: "Zhu was ordered to go down the river by boat to the front of Zhou Yu's Dazhai."
(4) The Biography of Chang Yuchun in the Ming Dynasty: "The boat goes downstream and breaks when it meets a spring boat."
3. Metaphor conforms to the social trend.
(1) "Historical Records Xiao Shijia": "And Han Xing, according to the last light of the sun and the moon, why keep the palm, because of the people's illness, Qin Fa, use it downstream, and turn over a new leaf."
(2) The Southern Dynasties Xie's "Wen Xin Diao Long Quan Fu": "The poets in the early Han Dynasty wrote downstream, and Lu Jia buckled his end, and Jia Yi was affectionate."
4, refers to the same direction of water flow.
(1) Jin's "On Death": "Feathers are more than a thousand meters, riding a thousand miles downstream, tiger steps are original."
(2) Jin's "Poem to Make Up for Death": "The beast lies in the grass and the fish jumps downstream."
5. Metaphor is a stable society.
Kang Youwei's Book of Great Harmony, Part E, Chapter 1: "If we make the world go with the flow and take over the provinces, we will not be as good as Li Deyu Zhang!
6, sleek, sleek.
(1) "Wake up: It's unfair to get what you pay for": "The eldest son won the downstream and became interested in gambling. He asked Wang, "Do you have any money?" "
(2) "Two Brothers" Scene 3: "(Ma Baofeng) goes around the door-(enters the house) and wishes him a prosperous business."
Interpretation of countercurrent quotation:
1, water flows backwards.
(1) Seven Laws of Pipe: "I don't know how to stop traffic, but if I want to stop many immigrants, I will still make the water flow backwards."
(2) Tang Li 'ao's inscription on the south lake embankment in Jiangzhou: "It's wet in the south, dry in winter and wet in summer, and Jiujiang is at high tide, diving against the current."
(3) Ruan Yuan's "Xiao Canglang Miscellaneous Poems" in the Qing Dynasty, Volume I: "Water can flow down, not upstream."
2, generally refers to the liquid reflux.
(1) Jin Gan Bao's "Searching for the Gods" Volume 7: "Last December, the governor sent Shi Chunyubo, and his blood flowed backwards. The column was two feet high."
(2) Song Zhubian's poem "Su Ziyi sends Huang Jing wine": "And I am soft and full of water, talking about sailing against the current to replenish my brain."
(3) Yuan Mei's Poems with the Garden in the Qing Dynasty, Volume II: "Your family suffers from malaria in Yangming Meridian. Dr. Lu mistakenly thought it was the sun meridian, and used Cimicifuga rhizome and Notopterygium root to push your blood upstream, but Baihu decoction could cure it. "
Step 3 pour water.
(1) "Forbidden Pipe": "Fishermen enter the sea, and the sea is deeper than Wan Ren, so they will swim against the current and take the risk of a hundred miles, and the lodgers will benefit from the water."
(2) People's Liberation Army Daily 1965.5.28: "Swimming in the river against the current can exercise your will and courage."
4. Metaphor of reactionary thoughts.
(1) He Qifang's poem "Dream of a New China": "History has proved the magic of scientific foresight countless times, but we are still easily lost in the sinister countercurrent."
(2) Guo Jinxi's Preface: "On the issue of critical inheritance, idealism prevails and metaphysics runs rampant. He is a historical figure who has been completely distorted in this countercurrent. "
5, facing the direction of water flow.
(1) Song's "Drizzle firewood": "On the wave, my daughter flies lightly and goes to firewood against Lang."
(2) The Qing Dynasty's "New Beach Fishing Song": "All day long on the beach, more than a hundred feet upstream."
(3) Chapter 3 of Du Pengcheng's Peacetime: "At this time, a dozen trackers pulled a big wooden boat and went upstream."
6. Sun Tzu's art of war means that the army array is in the lower reaches of the river.
(1) Sun Bin's "Sun Tzu's Art of War Treasure" Ginkgo tree on bamboo slips in the Han Tomb: "Those who have no water, those who meet the mausoleum, those who go against the current, those who live in the killing land, and those who meet the tree are invincible."
7. Refuse to accept water flow.
(1) Selected Works Xie Lingyun: "There is no countercurrent in Guang Chuan, so we need toilets. "
(2) Shan Li's Note: "Guanzi" says: Those who are kind to the monarch should learn from rivers and seas, and rivers and seas do not flow backwards, so they are long. "
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