水鹽濃度 的英文怎麼說
中文拼音 [shuǐyánnóngdù]
水鹽濃度
英文
water salinity- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 鹽 : 名詞1. (食鹽; 鹽類) salt 2. (姓氏) a surname
- 濃 : 形容詞1. (液體或氣體中所含的某種成分多; 稠密) dense; thick; concentrated 2. (程度深) (of degree or extent) great; strong
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 濃度 : potency; thickness; concentration; consistence; strength; consistency; density
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Ammoniac nitrogen enters salt of nitric acid of the translate into after soil, the chroma when arriving at groundwater is less than 30 milligram / litre, far be less than the lowermost standard with drinkable groundwater
氨氮進入土壤后轉化為硝酸鹽,到達地下水時濃度小於30毫克/升,遠小於地下水飲用的最低標準。Research on control method of bittern density based on fuzzy neural network in salt solution mining
基於模糊神經網路的巖鹽鹵水濃度的控制方法研究Halophytes are adapted to obtain water from soil water with a higher osmotic pressure than normal soil water, so they need to be able to accumulate a high concentration of salts in their root cells
鹽土植物的滲透壓高於土壤,這樣就可以從土壤中吸收水分,所以它們的根細胞中積累了高濃度的鹽分。Effects of different nutrient solution concentrations on the growth and nitrate accumulation of hydroponic lettuce
營養液濃度對水培生菜生長和硝酸鹽積累的影響We treat the porcine skin by 0. 25 percent trypsin, 0. 125 % trypsin, 2. 5 u / ml dispase, hypertonic saline or hypertonic saline - trypsin / dispase. we find that after the skin has been incubated in 0. 125 percent trypsin for 24h at 4 ?, the cells in the skin are all disintegrated. there are no significant differentiation between the acellular matrix treated by 0. 125, 0. 25 perlent trypsin, 2. 5 u / ml dispase and hypertonic saline - trypsin / dispase. but the cell ca n ' t be removed by using the hypertonic saline - sds
本研究通過對0 25胰酶不同脫細胞時間處理、不同濃度胰酶處理、 dispase脫細胞法、 im 、 zm高滲鹽水脫細胞法、高滲鹽水和胰酶或dispase混合脫細胞法的比較確認採用0 12盼胰酶, 4 , 244 。The study conducted research on the following four fields : firstly, the characteristics of the interfacial polymerization system of piperazine aqueous solution / trimesoyl hexane solution were systematically investigated. the results show that at a certain molar ratio between the two monomers, piperazine and trimesoyl, at the two phase interface, a dense functional layer of ultra low pressure, high permeating flux and high salt rejection formed by controlling the time of interfacial polymerization, such as the composite membrane ( i ), the concentration in water phase is 0. 4 %, and 0. 1 % in organic phase, and the polymerization time is 1 minute
本文主要進行了四個方面的研究,首先系統分析和研究了哌嗪水溶液均苯三甲酰氯正己烷溶液界面聚合體系特徵、界面聚合反應中各影響因素對膜性能的影響等,結果發現,當界面處兩相單體(哌嗪和酰氯)分子摩爾比為某一比值時,通過控制界面聚合時間(有機相處理時間) ,可以形成超低壓高通量高脫鹽的緻密功能層,如復合膜( ) ,水相濃度為0 . 4 ,有機相濃度為0 . 1 ,聚合時間1min 。Thirty - one crystals of polyoxometalates ( 1d, 2d, 3d ) were prepared by means of middle hydrothermal technique, molecular design and self - assembly, and characterized structurally by single crystal x - ray diffraction. the thermal stability, activity of catalysis and magnetism of some compounds were systematically studied. the continuous appearance of p - v - o, p - mo - o, v - mo - o, v - o system with novel structure enrich polyoxometalate chemistry, the reaction characterization and the synthesis law of molybdates, tungstates and vanadates under hydrothermal conditions were explored
由於p - v - o 、 p - mo - o 、 v - mo - o 、 v - o體系新結構不斷出現,豐富了多金屬氧酸鹽化學,探討水熱條件下釩、鉬、鎢物種的反應特性和生成規律,研究原料的選擇、配比、加料順序、濃度、酸度、反應溫度、反應時間等因素對產物的生成及結構的影響,為新的催化劑、導電材料、磁性材料的研製與開發積累經驗。The composite has excellent performance of water retaining, that the adsorbed water of 85 % is retained after being dried 10 days at the room temperature, and the adsorbed water of 45 % is retained after being dried 24 hours at 60 the factors influencing on water absorbency for the superabsorbent composite such as the kinds and concentration of starch, clay, crosslinker, initiator, the external salt solution and hydrolysis degree are investigated in this paper
該超吸水性復合材料在室溫下乾燥10天後的保水率為85 ,在60 2條件下加熱24小時后的保水率為45 。本文較詳盡地探討了超吸水性復合材料的合成條件,並系統地研究了影響超吸水復合材料吸水倍率的各種因素。例如:粘土的種類及粘土的用量、澱粉的種類及澱粉的用量、交聯劑的用量、引發劑的用量、水解度(氫氧化鈉的用量) 、水解時間、外部鹽溶液的種類及濃度等條件。The influence of different gypsum on strengh of portland - sulphoalminate composite cement system is complicated, related with aluminiferouse mineral in cement system and the so4 ( superscript 2 - ) concentration of its hydrated solution ; in distilled water and maximum lime wash, the dissolution rate of dihydrate gypsum is higher than that of anhydrite but the dissolubility is lower
石膏品種對硅酸鹽硫鋁酸鹽復合體系水泥強度的影響較復雜,與水泥體系中含鋁礦物及其水化溶液中so4 (上標2 - )離子濃度有關;在蒸餾水和飽和石灰水中,二水石膏的溶解速度比硬石膏快,溶解度比硬石膏低。We found it a key to pay attention to the facts of current efficiency as well as relative ferrate concentration and simplifying the procedure of precipitation and purification so as to raise the technique level of preparing ferrate ( vi ) by the method of electrolysis
本文通過總結現有制備高鐵酸鹽的工藝方法尤其是電解法的有關文獻發現,兼顧電流效率和相應的高鐵酸鹽濃度水平以及簡化結晶純化手續是提高電解法制備高鐵酸鹽工藝水平的關鍵。Reverse osmosis is in a salt water such as raw water than natural infiltration to exert greater pressure on the pressure and make the water from the high concentration side infiltrate low concentrations party to the original edema water pressure to the membrane elements on the other side into pure water and raw water minor impurities, colloid, organic matter, heavy metals, bacteria, viruses and other harmful substances and are all retained from the sewage discharge into export
反滲透就是在有鹽份的水中如原水施加比自然滲透壓力更大的壓力,使水由濃度高的一方滲透到濃度低的一方,把原水腫的水分子壓到膜的另一邊變成純凈水,而原水中的細微雜質膠體有機物重金屬細菌病毒及其他有害物質都統統截留下來並經污水出口排放掉。由於反滲透膜的孔徑僅0 . 0001It is used for quality control in research and clinical laboratories. it can be used to check and maintain stock solutions and dilutions
手持鹽度儀是為測量氯化鈉鹽溶液含鹽食品及海水鹽水的濃度而設計的。Improving the quality of moromi and the ratio of raw sauce output by the way of change the brew condition 、 the way of administration 、 strains of production, the quantity and the concentration of the koji making mixture salt water in the process of high salt diluted state fermentation to make high natural brew soy sauce
本文通過改變和調整高鹽稀發酵醬油工藝的發酵條件、管理方法、生產菌種以及拌曲鹽水量、濃度等達到提高醬醪質量及生醬油出品率的目的,從而生產出高檔本釀造醬油。2 leaflets from plants grown in the increasing salt concentrations ( up to 200mm ) became smaller and thicker, leading to the smaller ratio between superficial area and mesophyll tissue volume. in the same process, the cuticle became thickness significantly increased while stomata became less in number and smaller in area
( 2 )隨鹽濃度增加,葉片整體逐漸變得小而厚,葉表面積與體積的比值小,從而減少蒸騰面積,同時角質層變厚,單位面積上的氣孔數目減少,氣孔器面積減小,都可以使植物盡量降低蒸騰速率,減少體內水分散失。The basic ideas of numerical simulation are listed as follows : first, the density distribution of the brine in salt cavern is gained ; then based on it, the dissolving speed of rock salt is calculated ; last, the three - dimensional development of salt cavern is simulated
模擬溶腔擴展的基本思路如下:首先需要得到巖鹽溶腔內鹵水的濃度分佈:根據濃度,求解巖鹽的溶解速度;最後,計算溶腔隨時間的三維擴展。對在此基礎上建立的數學模型進行數值模擬,編制完成了擴展模擬程序。At suitable range of nutrition, hydrodictyon reticulatum can obtain dominance of resource competition at initial stages, because it has more capability in absortion and utilization of resource than that of microalga, which reduces the resource utilization of microalga and restrains overgrowth of microalga in a degree
在適宜的營養鹽濃度范圍內,由於供試的水網藻對營養物質的吸收利用能力大於微藻對營養物質的吸收利用能力:因此,水網藻能在富營養化的初期階段的資源競爭中占據優勢,並盡可能減少微藻對資源的利用量,這可在一定程度上抑制微藻的過度生長。Moreover, there are good fitted power function relationship between thermal conductivity and soil water content, soil water suction and salt concentration. meanwhile, based on the measured data of soil water content and soil temperature distribution under temperature - controlled conditions, according to philip ' s empirical equation, through difference method, the water diffusivity under temperature gradient was calculated, which can be expressed as a power function of temperature
此外,研究表明,導熱率與土壤含水率、土壤水吸力、含鹽濃度之間均存在良好的冪函數關系;在取得一定溫控條件下的土壤水分與溫度分佈實測資料的基礎上,根據philip經驗方程,通過差分法計算得出溫差作用下的水分擴散率,該參數可表示為溫度的冪函數形式。Analysis of change of the nutrient concentration in porewater with depth indicates the relation between the oxidative - reductive conditions and the nutrient concentration
對沉積物中孔隙水營養鹽濃度隨深度的變化分析,表明了沉積物孔隙水中營養鹽濃度變化與氧化還原環境的關系。Secondly the cellulase liquid as the raw material were extracted by the aqueous two - phase. the influences of molecular weight of peg, concentrations of peg and salt, ph value, the phase volum ratio etc, the extraction rate and the partition coefficients were studied. the optimum condition was also determined
其次以纖維素酶液為原料,用雙水相萃取技術提取纖維素酶,考察了不同分子量的高聚物聚乙二醇peg和其質量濃度、其鹽濃度、 ph值、相比等對萃取率和分配系數的影響,確定出雙水相萃取纖維素酶的最佳工藝條件。Based on the field investigation of the wave and sediment suspension in taihu lake, along with sampling water by layer and analyzing the nutrient concentration change with depth, it was found that the nutrient concentration enhanced suddenly on the bottom. layer indicating the influence of sediment
摘要通過在太湖開展的風浪與底泥懸浮的野外觀測,結合分層採取水樣並分析水體中溶解性營養鹽的濃度隨深度的變化結果,發現在水土界面的上覆水中營養鹽濃度有突然增加的現象,指示著沉積物對上覆水營養鹽濃度有影響。分享友人