最低鹽度 的英文怎麼說
中文拼音 [zuìdīyándù]
最低鹽度
英文
lowest salinity-
With the increasing salt concentration, milk - clotting activity became higher and higher, then reached its peak, and then decreased gradually ; in the early extraction, the speed was quick, the milk - clotting activity was increased obviously. after it amounted to the maximum, the activity became steadily lower steadily ; the increasing temperature in extracting could improve the extraction activity, but too high temperature could result in the denaturation and inactivation ; the greater the ratio of abomasums and butter and was, the quicker speed was when the enzymes was drawn out, and after extracting for twice, most of the enzymes in the abomasums could be drawn out
隨著食鹽濃度增大,凝乳活性逐漸提高,當達到一定濃度后,凝乳活性又逐漸降低;在提取初期,提取速度較快,凝乳活性明顯提高,當提取達到最大值后,凝乳活性又逐漸下降;隨著提取溫度的升高,凝乳活性逐漸增大,但溫度過高時,會導致酶變性失活;隨著提取液與皺胃比例的增大,酶溶出速度加快,提取次數越多,皺胃中酶提取越充分,提取2次后,皺胃中絕大部分酶被提出。The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno
研究結果表明: 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化:隨海拔高度上升,機械組成由粉粒砂粒粘粒逐漸過渡到砂粒粉粒粘粒,海拔1600m以下出現粘化層;土壤有機質豐富,表層有機碳含量一般在20g kg以上,有機碳含量隨海拔高度升高而相應增加,海拔3500 3700m的灌叢草甸植被下有機碳含量最高;土壤呈酸性或微酸性,並隨海拔上升, ph值略微降低,酸性增強,海拔2700m以上的土壤多呈鹽基不飽和狀態,表明土壤淋溶作用較強, ph值和鹽基飽和度呈極顯著正相關;土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定,土體中sio _ 2含量較高, cao含量較少, sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ,礦質元素含量的順序依次為: sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。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。By using inverted microscope, it was observed that dunaliella salina of different growth stages after the high osmotic shocks can live in the medium with nacl concentration between 0. 1m and 5. 0m, but its growth status and period showed differently. the optimal concentration for the growth of dunaliella salina was 0. 5 - 1. 5m, and this organism could stand a variety range of osmotic shock. enolase gene, the anti - adversity gene of d. salina, was cloned by modified degenerate pcr technique
通過倒置顯微鏡觀察生長在不同鹽濃度,不同生長時期,以及經不同滲透壓震動的鹽藻,四川大學博士學位論文發現其在o . im一5 . omnaci培養基中均能正常生長,但其生活狀態及生長周期有所不同,其最適生長naci濃度為0 . 5一1 . 5m ,還能適應各種高滲及低滲震動。The propagules of b. gymnorrhiza and a. corniculatum undergo some growth before becoming detached from the parent plant. they accumulated large amounts of ions during the development while the level of ion concentrations are consistently lower in their embryos compared to leaves of parent plant. before detachment, the growth of hypocotyls were reduced, the water content declined, while the osmotic potential was approaching to or more negative than that of the solution on which their parent plant vegetating
另一方面維持較大比例的有機滲透調節劑,控制細胞液中鹽離子的水平以減少代謝毒害;木欖成熟胚軸的密度接近或低於生境中海水的密度,適于隨水漂浮和傳播;胚軸內離子濃度呈下降趨勢,但最終以達到和母樹生境中的離子濃度水平相一致為目標。The main conclusions are as follows : the hco3 - ion content of zhujiang river changes notably in one hydrological year, especially in wet season and dry season. as for the content of inorganic carbon, that of the xijiang river is the highest, then the beijiang river, and then the dongjiang river. the xijiang river ' s inorganic carbon source was major from karst process in the drainage basin
得出如下的結論:珠江水體hco _ 3 ~ -離子含量在一個水文年中發生顯著變化,特別是豐水期與枯水期之間波動幅度較大;無機碳含量西江含量最高,其次是北江,東江最低;西江無機碳主要來源於巖溶作用,由於受河流沖刷效應影響,豐水期hco _ 3 ~ -離子含量升高;東江流域無機碳主要來源於硅酸鹽巖的碳酸鹽風化過程,豐水期hco _ 3 ~ -離子含量無顯著變化;北江無機碳來源於巖溶作用和硅酸鹽巖的碳酸鹽風化過程,受稀釋效應影響,無機碳含量隨水量增加而降低。Abstract : the effects of sodium hydroxide concentration and chlorination temperature on effective chlorine content of calcium hypochlorite were tested. the effects of mesh number of standard sieve on effective chlorine content of calcium hypochlorite were tested. the retrieval technology of effective chlorine in mother liquor of calcium hypochlorite was researched, and the effects of cycle number on effective chlorine content of calcium hypochlorite were tested. the results indicate that when sodium hydroxide concentration is 333. 3 g / l, and chlorination temperature is 20, the effective chlorine content of calcium hypochlorite is highest, that when mesh number of standard sieve is 180 mesh, the effective chlorine content of calcium hypochlorite is higher, but the passing sieve rate is not too low, that the cycle number has no remarkable effect on the effective chlorine content of calcium hypochlorite, and the effective chlorine content of calcium hypochlorite is basically above 80 %
文摘:測試了燒堿質量分數和氯化溫度對漂粉精有效氯含量的影響,測試了分鹽用標準篩目數對漂粉精有效氯含量和過篩率的影響.研究了漂粉精母液中有效氯的回用工藝流程,並測試了循環次數對漂粉精有效氯含量的影響.結果表明,燒堿質量分數為25 、氯化溫度為20時,漂粉精的有效氯含量最高;標準篩目數為180目時,漂粉精的有效氯含量較高而過篩率不太低;循環次數對漂粉精有效氯含量沒有顯著影響,並且漂粉精有效氯含量基本上可以達到80以上The effects of sodium hydroxide concentration and chlorination temperature on effective chlorine content of calcium hypochlorite were tested. the effects of mesh number of standard sieve on effective chlorine content of calcium hypochlorite were tested. the retrieval technology of effective chlorine in mother liquor of calcium hypochlorite was researched, and the effects of cycle number on effective chlorine content of calcium hypochlorite were tested. the results indicate that when sodium hydroxide concentration is 333. 3 g / l, and chlorination temperature is 20, the effective chlorine content of calcium hypochlorite is highest, that when mesh number of standard sieve is 180 mesh, the effective chlorine content of calcium hypochlorite is higher, but the passing sieve rate is not too low, that the cycle number has no remarkable effect on the effective chlorine content of calcium hypochlorite, and the effective chlorine content of calcium hypochlorite is basically above 80 %
測試了燒堿質量分數和氯化溫度對漂粉精有效氯含量的影響,測試了分鹽用標準篩目數對漂粉精有效氯含量和過篩率的影響.研究了漂粉精母液中有效氯的回用工藝流程,並測試了循環次數對漂粉精有效氯含量的影響.結果表明,燒堿質量分數為25 、氯化溫度為20時,漂粉精的有效氯含量最高;標準篩目數為180目時,漂粉精的有效氯含量較高而過篩率不太低;循環次數對漂粉精有效氯含量沒有顯著影響,並且漂粉精有效氯含量基本上可以達到80以上Both species grew poorly in the culture medium absent of salt, especially to a. corniculatum. moderate salt stress ( from 5 to 20 ) can stimulate the growth of both species, and the optimum salinity for growth was from 10 to 15. when the substrate salinity was higher than 30, stem height, root length, dry mass increment, net photosynthetic rate fell remarkably for both species
溫室內人工鹽度梯度栽培下,木欖幼苗地上、地下部分形態和生物量的增長均表現為低鹽促進和高鹽抑制,以10 15鹽度下最適合木欖幼苗的生長;鹽度從10增加到50時,木欖幼苗的凈光合速率、氣孔導度和蒸騰速率均隨之下降。Putting the potassium permanganate into the filter can improve its effect, the removal of organics and ammonia is increased, the influent concentration can satisfy the water reuse standard. but the turbidity of influent is unsatisfactory. the c / n ratio is the key factor to influence the nitrogen - removal of the anoxic / aerobic two - stage baf when the reflux ratio 、 hydraulic loading and the ratio of gas to liquid in aerobic filter are fixed. the anoxic / aerobic two - stage baf has a good removal of organics at different c / n ratio when the reflux ratio is 2, hydraulic loading is 2. 55m ~ 3 / m ~ 2 ? h and the ratio of gas to liquid in aerobic filter is 3 : 1. the influent concentration of organics is blow 7mg / l. from the beginning to 30cm of the anoxic filter, the removal of the organics is significant ; as the c / n ratio increasing, the influent concentration of ammonia is decreasing. when the c / n ratio is 3. 60, the enfluent concentration of ammonia is 3. 05mg / l which satisfies the water reuse standard. when the c / n ration is less than 3. 60, because of the imperfection
迴流比為2 : 1 ,水力負荷為2 . 55m3 / m2 ? h ,好氧柱氣水比為3 : 1時試驗表明:不同的c / n ( 1 . 05 7 . 45 )下,兩級曝氣生物濾池對有機物有很好的去除作用,出水有機物濃度小於7mg / l ,其中在缺氧柱進水端30cm內對有機物的去除最為明顯;隨著c / n的增加,系統出水氨氮濃度降低,當c / n為3 . 60時,出水氨氮濃度降到3 . 05mg / l ,已經滿足回用水的氨氮標準; c / n < 3 . 60時,因為缺氧柱的不完全反硝化,體系中硝酸鹽氮和亞硝酸鹽氮發生積累影響了好氧柱的硝化反應使氨氮降解效果較差;系統對總氮的去除隨著c / n的增加而增加,當c / n為3 . 60時,出水總氮已經降到11 . 18mg / l ,滿足回用水的要求。In addintion to the traditional storage service, we can offer modern warehousing services including consolidation, unstuffing, stuffing, processing, package and distribution services. we have warehouses in shekou, yantian, guangzhou and other main ports of china, can help our customers competitive warehouse rent redustion then get the lowest logistics cost at all
我司在深圳鹽田,蛇口,廣州,上海等主要港口均設有自己的倉庫,除了滿足傳統意義上的儲存功能外,還可提供生產加工,拼箱,拆箱,配送以及包裝與流通加工等增值功能,能最大限度地滿足客戶的需求,實現為客戶有效降低在廠庫存,減少物流成本的顯著效果。The main achievements in this paper are as following : 1 based on the systematical study about physical properties, particle morphologies and micro - mechanism of ultra - fine fly ash, cufa ii products are successly developed by means of optimizing the particle gradation and activation technique. hprrc composed of cufa ii products and with the strength grade no less than 32. 5r ordinary portland cement can meet the minimum strength index demands. at present, cufa ii has been produced commercially and applied to engineering
本文主要研究成果如下: 1 、在系統研究了超細粉煤灰的物理性能、形貌、粉體效應微觀機理的基礎上,採用粉體優化組合、活化激發技術,復配的cufa產品與32 . 5r及以上的普通硅酸鹽水泥配製的hprrc可達到12 48h開放交通所需的最低強度指標要求;該產品己工業化生產並推廣應用。Abstract : this paper describes a new preparation technique of calcium iodate. at the presence of hydrochloric acid, iodine is oxidated by sodium chlorate, and then reacts with calium hydroxide. a series of constrasted experiments are made on the conditions and different techniqures. relatively high productivity and purity at low cost. easy controllability and operation are the main features of this kind of technique
文摘:介紹了以單質碘為原料,在鹽酸存在下,經氯酸鈉氧化,再與氫氧化鈣進行中和反應制備碘酸鈣的方法,並做了最佳工藝條件和不同方法的對比實驗.本法具有收率較高、純度較高、生產成本較低及反應條件易控制、設備簡單、操作方便等特點Changing salinity in the estuary reduces adsorption of cu, zn, cd, co, ni on to suspended sediments within the changjiang estuary. among the metals studied, cd has the obvious salinity depend on kj due to probably its high affinity for cl ", whereas cations competitive adsorption and compexation of onions should be taken into account for salinity effect on cu, zn, co and ni
實驗研究顯示,固-液懸浮體系中鹽度的增大降低了cu 、 zn 、 cd 、 co和ni在泥沙固相中的吸附,其中金屬cd受鹽度影響最為顯著,這與水體中cl ~ -對溶液相中cd的較高絡合能力密切相關。The shrinkage reducing rate can reach to 70 % at the 7th day, and the shrinkage reducing rate can reach to 40 % at the 28th day. it doesn ’ t reduce the intension of the concrete. it can have an ability of 10 18 % of reducing water rate
通過對比試驗發現,聚丙烯酸鹽類減縮劑的最佳摻量為水泥質量的1 . 2 % , 7天減縮率可達70 % , 28天減縮率可達40 % ,且不降低混凝土的強度,具有10 18 %的減水率,有一定的緩凝作用。The net result is thus a reduction in the concentration of carbonate ions
氫離子容易和碳酸鹽離子結合,形成碳酸氫鹽離子,最後導致碳酸鹽離子濃度降低。The study results show that the minimum ac flashover voltage decreases with the increase of the ice amount accreted on the insulator surface by an exponential law, and the down - trend of the minimum ac flashover voltage will slow gradually with the bridging of the shed of the insulators by icicles, both the average saturated ice amount and the special exponent m of effect of ice amount for different insulators depend on the radius of shed and the air - gaps of the sheds of the insulators, and that the ac ice flashover voltage decrease with the decrease pressure ratio p / p0 ( rise of the altitude ) by power - law for different esdd and icing - states when the altitude is from 4000m to 5500m. the special exponent n, which show the effects of altitude on the flashover voltage, is various with the type of insulator, icing - states and the surface status of iced insulator etc., and that the minimum ac flashover voltage of iced insulators decreases by power - law with esdd or the freezing water conductivity for different ice amount and atmospheric
研究結果表明:在不同海拔高度和等值鹽密esdd下,絕緣子的最低交流冰閃電壓均隨覆冰量的增加而呈指數規律降低;當覆冰量增加到一定程度后,最低交流冰閃電壓隨覆冰量增加而降低的趨勢趨于飽和;不同絕緣子串的平均飽和覆冰量及閃絡電壓的覆冰量影響特徵指數m均與絕緣子的盤徑和傘距等因素有關;在海拔4000 5500m之間,不同等值鹽密esdd和覆冰狀態下,絕緣子的交流冰閃電壓隨海拔高度的增加(氣壓的降低)與p / p0呈乘冪關系降低,氣壓影響特徵指數n與絕緣子類型、覆冰類型、覆冰表面狀況等因素有關;當覆冰量和氣壓一定時,絕緣子的最低冰閃電壓均隨著等值鹽密( esdd )或覆冰水電導率的增加而呈乘冪關系降低,並逐漸趨于飽和。The optode shows a satisfactory linear response for the dissolved oxygen in water ( r = 0. 9992, n = 6 ) the relative standard deviations were 1. 7 % 5. 0 %, the detection limit was 0. 03 11 g / ml ( sfn = 3 ). the exposure time and recovery time of the optode membrane are 30s and 90s respectively. the reversibility of the fluorescence signal was evaluated by alternate measurements in oxygen saturated water and nitrogen - purged water
7 5刀之間,最低檢出限為0刀3pg il ;考察了標準海水中主要離子濃度放大1倍后的樣品溶液、鹽度在0 49范圍內的人工海水,以及ph在l 13范圍內的緩沖溶液等干擾因素的對膜響應的影響,結果無顯著性干擾;將本法與國標法相比較,驗證了方法的可用性,最終用於在線監測海水中的溶解氧。In the weddell sea antarctica, the densest water in the oceans is formed as a result of this freezing process, which increases the salinity of cold water
在南極洲邊緣的威德爾海中,結冰過程增加低溫海水的鹽度,從而形成了濃度最大的海水。Polymer - network gel process was used to synthesize nanometer oxide such as zro2 ( 3. 5mol % cao ), co3o4 and nio. dta / tg, xrd and tem were used to characterize the gel and products, and determine the lowest temperature and time for calcining the gel. the effect of the concentration of starting solution, temperature and time for calcining the gel on the size of the products were also discussed
本文採用高分子網路凝膠法進行納米zro _ 2 ( 3 . 5mol cao ) 、 co _ 3o _ 4 、 nio等納米氧化物超細粉的軟化學合成,利用dta tg 、 xrd和tem等分析手段對凝膠和產物超細粉進行表徵,確定凝膠的最低煅燒溫度和煅燒時間,並探討起始無機鹽溶液濃度、凝膠的煅燒溫度和煅燒時間對產物超細粉粒徑的影響。分享友人