酸度增加 的英文怎麼說
中文拼音 [suāndùzēngjiā]
酸度增加
英文
ph droph-
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 。The experimental results showed that in the condition of this experiment four algaecides all had strong removing rate on algae, and their removing rate increased with dose increasing, and decreased with algae density increasing. according to the removing rate on algae and cost value or so, the sequence of four algaecides from good to bad were potassium permanganate, copper sulfate, hydrogen peroxide and sodium hypochlorite. in the condition of this experiment, the suitable dose of potassium permanganate was 0. 8mg / l, the algal removing rate was beyond 90 % and the cost of this algaecide was only 0. 0068 / m3. the efficiency of algae removal by four algaecides for huanghe river water was studied. the results showed that the majority of huanghe river water was bacillaroiphyta, and the dominant genera was melosira, which reached 78 % ~ 94 %
結果表明,在實驗條件下,四種殺藻劑均具有一定的殺藻效果,藻類去除率均隨藥劑投量的增加而提高;原水藻類數量影響殺藻劑殺藻效果,四種殺藻劑的藻類去除率均隨原水藻類數量的增加而降低;通過殺藻效果、經濟性以及安全性等方面的綜合比較,對于以有毒藍藻為優勢藻屬的引灤水,四種殺藻劑的優劣程度從優到劣排序為:高錳酸鉀硫酸銅過氧化氫次氯酸鈉;在實驗條件下,高錳酸鉀適宜投加量為0 . 8mg l ,藻類去除率高於90 ,所需的藥劑費用僅為0 . 0068元m ~ 3 。The results showed that the addition of boracic acid can increase the oxidation resistance and tensile strength of the flexible graphite, however, it has few effect on the other properties of the flexible graphite
實驗表明,添加劑硼酸使柔性石墨材料在抗氧化性方面具有明顯的優越性,抗拉強度有所增加,而對其它性能的影響不大。Water, containing dissolved calcium hydrogen carbonate, passes through the limestone and drops evaporate on the stalactite, increasing its length with a deposit of calcium carbonate.
含有溶解碳酸氫鈣的水通過石灰石滴在鐘乳石上蒸發,隨著碳酸鈣沉積物的增加不斷增加著它的長度。Success of the model was enhanced by increasing the oxygen concentration on initiation of the bypass, maintenance of an appropriate hematocrit and priming with non - citrated blood crystalloid
此模式是以藉著在啟始?路時增加氧濃度,維持適當血球容積以及用無枸櫞酸之血液晶質啟動而使得本技術得以成功。Abstract : methanesulfonic acid method was used to prepare five acylated chitins. except heptanoyl chitin, four of them, i. e. acetyl chitin, propionyl chitin, butyryl chitin and hexanoyl chitin, had high degree of substitution ( from 1. 5 to 2. 0 ) and exhibited lyotropic liquid crystalline behavior and cholesteric phase. as the length of the side chain increased the critical concentration ( w / w ) somewhat increased from 0. 21 to 0. 26 because the chain rigidity dropped. the critical concentration values of all the four derivatives were much higher than that of chitin ( 0. 12 ) due to the decrease of intramolecular hydrogen bonds. the four acylated chitin can form typical banded texture after being sheared. there minimum concentrations to form banded texture of them were evidently different, varied from 0. 25 ( for acetyl chitin ) to 0. 37 ( for hexanoyl chitin ). these results further indicated that liquid crystallinity decreased while the length of flexible side substituents increased
文摘:四種羧酰化甲殼素即乙酰化、丙酰化、丁酰化和己酰化甲殼素在二氯乙酸溶液中均呈現膽甾型溶致液晶相.臨界濃度隨側基長度增加而略有增加,衍生物的臨界濃度明顯都比原甲殼素高許多,這些規律都可以用鏈剛性的變化來解釋.四種羧酰化甲殼素在剪切時均能形成條帶織構,而且能形成條帶織構的最低濃度有明顯差別,隨側基長度增加而提高,進一步表明側基較長,液晶性減少Elevation of intracellular calcium ions may be partly induced by increased influx through sarcolemma l type - calcium channels. intracellular calcium elevation, on one hand, would activate calpain, a calcium - dependent cysteine protease that degrade the myofibrillar proteins and cause muscle atrophy ; on the other hand, result in activation of calcineurin which enhance the activity of mhc i promoter and inhibit a shift of mhc isoforms from slow to fast in soleus
這樣,可能使得萎縮比目魚肌細胞內鈣離子水平升高,細胞內鈣離子靜息濃度的增加一方面激活calpain ,增加收縮蛋白的降解,使肌肉萎縮;草四軍醫大月卜祠成士學位論文另一方面通過激活鈣調神經磷酸酶,增加快型mhc基因的表達,使骨骼肌肌球蛋白重鏈( mhc )發生由慢型向快型的轉化。Soil microbial biomass carbon, microbial biomass nitrogen, soil basal respiration and metabolic quotient all showed a decreasing trend under more than 15 mg. kg - 1 cadmium or more than 200 mg. kg - 1 lead, respectively. soil dehydrogenase, urease and acid phosphotase activities have a significant decrease, and the activities of soil catalase and invertase taking sencond place, while soil protease activities showed stable state
隨重金屬濃度增加,各指標下降幅度各有差別,其中微生物生物量碳、微生物生物量氮以及基礎呼吸和微生物代謝商隨重金屬濃度增加而明顯下降;土壤脫氫酶、脲酶、酸性磷酸酶活性的下降幅度較為明顯,過氧化氫酶、蔗糖酶活性次之,蛋白酶活性較為穩定。The pattern of diagenetic and porosity evolution are established. the primary porosity of the reservoir rocks was 35 %, which was reduced by 21. 7 % by compaction and pressure solution and 8. 2 % by cementation. the secondary pores were produced by organic acids " dissolution during organic matter maturing stage, resulting an increase of porosity by 5 %
預測本區砂巖原始孔隙度為35 ,經機械壓實和化學壓溶作用孔隙度損失了21 . 7 ,后經自生礦物的膠結作用,孔隙度損失了8 . 2 ,當進入有機質成熟階段,有機酸的溶解作用產生次生孔隙,使孔隙度增加5 ,現今保存的平均孔隙度為10 . 1 。The assessment in a draft international report by the un intergovernmental panel on climate change ( ipcc ) warned coral bleaching would become more common on the reef as the ocean became warmer and more acidic
聯合國跨政府氣候變遷小組在一份國際性的報告草案中警告,當海洋溫度上升、酸度增加,珊瑚的白化會更普遍。And because fish breathe water like humans breathe air, slight changes in oceanic acidity can have disastrous consequences for marine life. corals, shellfish and even plankton, the tiny plants that provide the basic food source for fish, are strongly affected by this increasing acidity
海水對魚類而言,就像空氣對人類一樣的重要,所以即使是些微的海水酸化,對海洋生物來說,也會造成嚴重的災難,像珊瑚貝類甚至浮游生物等這些魚類賴以維生的食物,都會因為海水酸度增加而受到嚴重影響。Phenyl group introducing to cholesteryl ester molecules can enhance the phase transition temperatures of the liquid crystals and their stability. an increase in the chain length for cholesteryl dicarboxylate samples reduced stability of liquid crystal phases. while coattail - like structures on the ester group of the molecules have an adverse effect to form cholesteryl liquid crystal phase
化學結構對液晶性的影響表現為:分子中引入苯環剛性結構可以提高液晶的相變溫度和穩定性;脂族二羧酸膽甾醇酯中脂肪鏈的長度增加會降低液晶的穩定性;而末端含有燕尾結構則對液晶態的形成產生不利影響。Also the external field can modulate wave - transmitting strength. at the range from 8 to 9 ghz, the minimum transmissivity value existed as to batio3 erf ; the frequency where the minimum value existed was tend to the lower frequency under the external field
4 .對于欽酸鋇電流變液,在8一gg頻段范圍內,微波透過率存在最小值,而且隨電場強度增加透過率最小值點向低頻方向移動。The addition of cp can enhance the mechanical ability of plla greatly and give good osteoconductive properties
用鈣磷酸鹽增強plla ,可得到大幅度提高plla的初始強度,增加plla的力學相容性和骨誘導性。Treatment was effectie with serum folate concentrations increasing by 576 % and plasma homocysteine falling by 26 % for the folic acid group compared with placebo
這句話沒翻譯。試譯:葉酸治療組與安慰劑組比較,血清葉酸濃度增加576且血漿同型半胱氨酸水平下降26視為治療有效。The results show that the yield of terephthalic acid increases and the mass fraction of 4 - carboxybenzaldehyde decreases when the reflux temperature or the reaction pressure increases, or when the reflux ratio decreases, but that the combustion rate of p - xylene and acetic acid increase simultaneously
計算表明:冷凝迴流溫度的升高、迴流比的降低和反應壓力的升高都導致反應溫度增加,雖然醋酸和對二甲苯的副反應消耗增加,但液相中對羧基苯甲醛的質量分數降低和反應收率增加。The experiments showed that these factors could increase the plating rate which the concentration of nah2 ? o2 " t ^ o, the ph and the temperature of electroless plating had been risen
實驗表明:鍍液ph值和施鍍溫度升高,次亞磷酸鈉和緩沖劑濃度增加,鍍速提高。It meaned that simulated acid rain made the toxic effects of zn or cd on growth of the plants more serious. the fresh weights and chlorophyll contents of phaseolus vulgaris l were the highest when ph value of acid rain was 4. 5, zn concentration was 60 mg / kg, and or cd concentration was 0. 5 mg / kg. this showed that lower acidity of simulated acid rain and lower concentrations of zn or cd could promote growth of the plants
本試驗中,酸雨加zn或者酸雨加cd使小白菜鮮重小於單一污染處理,說明酸雨增加了zn 、 cd對小白菜的毒害作用;而當酸雨ph值為4 . 5 、 zn濃度為20mg / kg或cd濃度為0 . 5mg / kg時,四季豆鮮重達到最大值,這表明低強度的酸雨和低濃度的zn 、 cd促進四季豆的生長。Fig 1 shows the concentration related effects of aa on tnf - treated neutrophils on superoxide release
圖2示aa誘導的超氧基釋放水平隨tnf濃度增加而相應增加。其他烯酸也獲類似結果(資料未顯示) 。The speed of electroless plating was increased with the increase of concentration of coscu
硫酸鈷濃度增加,鍍速增加,濃度30g / l時有最大值。分享友人