acid constant 中文意思是什麼
acid constant
解釋
酸常數-
In the case of carbonic acid, the ionization constant of is much smallar than the for acetic acid.
至於碳酸，電離常數為比醋酸的電離常數小的多。 -
In order to prepare low dielectric constant glass powder, we use sio2, boracic acid etc as raw material to prepare glass powder. the result of testing is : its dielectric constant is about 4. 0, and it is suit for our experiment
作為低介常數的玻璃粉料，採用sio2 、硼酸等為原料，通過熔融、研磨製得了玻璃粉料，其介電常數約為4 . 0 ，介質損耗為10 10 4 。 -
The determination of the first dissociation constant of carbonic acid in urea - water mixture
水混合溶劑中碳酸一級解離常數的測定 -
Detecting dissociate equilibrium constant of acetic acid with conductometer
電導率儀法測定醋酸離解平衡常數 -
The determination of schiff base - acyclic crown ethers dissolubility and acid dissociation constant
堿型羧酸開鏈冠醚溶解性及酸離解常數的測定 -
In adding - acid system : the resistivities of different lithotypes " cp tend towards being constant and equal when weight percentage of aniline exceeds 50 % ; because of the structure difference of different lithotypes, the polymerizing places and processes are different ; the resistivities of vituain / pan and fusain / pan reach the lowest point respectively when ( ntloisiog / an is 0. 6, 1. 0 ; the resistivities of cp decline fast and tend towards being constant along with the reduction of diameter of coal. in not adding - acid system : the resistivities of different lithotypes ' cp decline evenly ; it is found on the crossed experiment of cp, that ( nflsaog / an mole proportion is the most important factor to influence output ratio of cp and the weight percentage of aniline is the most important factor to influence resistivities of cp. according to the result of the crossed experiment of cp
在有外加酸體系中：苯胺百分含量大於50時，不同煤巖組分的電阻率趨于恆定和一致；由於不同煤巖組分結構上的差異，導致苯胺聚合場所和聚合過程的不同；當過硫酸銨/苯胺摩爾比為0 . 6 ， 1 . 0時，鏡煤-聚苯胺導電材料電阻率和絲炭-聚苯胺導電材料的電阻率分別達到最低值；在無外加酸體系中：不同煤巖組分/聚苯胺導電材料的電阻率隨著聚合時間的增加而均勻下降，並在8小時左右達到恆定；在對絲炭-聚苯胺導電材料進行的正交試驗中發現：過硫酸銨/苯胺摩爾比對產率的影響最大，苯胺重量百分比對產率影響最小，而對產物電阻率影響最大的是苯胺重量百分比。 -
This experiment passing to grope for the carbon source constitutes of the culture medium and using t. reesei rut c - 30 induced the expression of # - mannanase ( # - 1, 4 - mannan mannohydrolase ec 3. 2. 1. 78 ). in this experiment i put the constant carbon source ( lactose and locust bean gum ) in the foundation culture medium ( mandels nourishment liquid ) of t. reesei rut c - 30, then proceeded the variable carbon source ( dragon spruce fiber, com rush pith fiber, wheat straw fiber, wheat straw xylan, corn rush pith xylan, dragon spruce mannan ) to single factor, double factor, three factor, four factor and five factor orthogonal experiment. 1 determined the activity of p - mannanase using locost bean gum as substract by the 3, 5 - dinitosalicylic acid method, and observed the growing situation of the gernic at the end i selected the directions for the inducement expression of the # ? mannanase from trichoderma reesei rut - c30 that contained the dragon spruce fiber, wheat straw xylan, dragon spruce mannan
在里氏木霉rutc - 30的基礎培養基（ mandels營養液）中加入固定碳源乳糖和槐豆膠，然後將可變碳源（雲杉纖維、玉米芯纖維、麥桿纖維、麥桿木聚糖、玉米芯木聚糖、雲杉甘露聚糖）進行單因子、雙因子、三因子、四因子、五因子的里氏木霉rutc - 30正交培養實驗，並以槐豆膠為底物用3 ， 5二硝基水楊酸法測定培養液中?甘露聚糖酶的活力。從而確定了酶活最高且菌體生長良好的含雲杉纖維、麥桿木聚糖和雲杉甘露聚糖的誘導培養基為最佳培養基，用該培養基培養的里氏木霉（ t . reesei ） rutc - 30使其轉錄的-甘露聚糖酶（ - 1 ， 4 - mannanmannohydrolaseec3 . 2 . 1 . 78 ） mrna量能夠滿足rt - pcr的要求。 -
At the surface of the pollen grains there are three types of aperturates, including three porates type, three colpates type and three porate - colpates type ; and four types of sculpture, namely, reticulate, striate, striate - reticulate and verrucate. the upper epidermal cells of the leaves of 12 species plants are detected with hpias - 1000 image analytic system through the treatment of binarization, and the experimental methods are proved stable. the results indicated that the waviness of the anticlinal walls ( sfc ) and the ratio of the feret ' s diameter ( slf ) of the epidermal cells of the middle lamina in the third node of leaves starting from the lowerest part of the stem have a relative constant range and could distinguish from each other. oieanolic acid, l, 5, 8 - trihydroxy - 3 - methoxyxanthone and swertiamarin are separately detected on the tlc, and the different chromatogram of various plants can be considered as characters of identification. the contents of oleanolic acid in 12 species of plants are determinated by hplc, but among the different plants and botanical organs their contents are different, and the highest content in flowers
本文對川鄂產獐牙菜屬藥用植物資源進行了野外調查、標本採集和鑒定，對12種乾燥藥材的性狀進行了描述，提供了可以鑒別的特徵。通過掃描電子顯微鏡觀察的12種本屬藥用植物的花粉粒均為單粒花粉，萌發孔有3孔型， 3溝型和3孔溝型三種類型；表面紋飾包括網狀紋，條狀?網狀紋，條狀紋和瘤狀紋四種類型。用hpias ? 1000高清晰度彩色病理圖文分析系統對葉片上表皮細胞作圖像分析，並進行方法學研究，結果表明，同種植物莖上第3節葉片中段主脈和第1側脈之間葉上表皮細胞垂周壁彎曲程度sfc值和細胞縱、橫向直徑的比值slf值，種間有顯著差異，每種都有相對恆定范圍值。 -
Treatment of the spinel limn2o4 with aqueous acid produces - mno2. x - ray diffraction and atomic absorption spectroscopy show that - mno2 with lattice constant of 0. 806nm preserves the structural framework of the limn2o4 and the conversion of limn2o4 to - mno2 results in some contraction of the lattice
利用limn2o4與稀酸作用制得- mno2 ，經xrd 、原子吸收光譜（ aas ）分析表明- mno2仍然保持了尖晶石的面心立方點陣，晶胞參數0 . 806nm ； limn2o4經過酸處理、鋰離子脫出后晶胞體積發生了收縮。 -
When reacting with acid splitting products neutracid develops always a new active surface, that means constant efficiency. besides neutracid stops through its granulated structure uncontrolled boiling problems
和酸性物質反應后，除酸劑又會生成一種新的表面活性，意味著長期有效。另外， neutracid的分散體結構可阻止產生共沸現象。 -
Constrained to technologies, the lead - acid battery mainly adopted traditional charging methods such as constant voltage, constant voltage with current limitation, constant current, etc. the charging current of these methods cannot match efficiently the acceptance curve of the lead - acid battery proposed by j. a. mas. as a result, some of these methods have a low time efficiency and incompleteness charging. and some of them lead to overcharge and gas - generation, which will result in low - efficiency, time - consuming and prone - to - damage of the charging operation
鉛酸蓄電池由於受到技術條件的限制，其充電主要採用恆壓、恆壓限流、恆流等常規充電模式，這些方法的充電電流未能有效的遵從馬斯所提出的可接受充電電流曲線，因而有的充電方法時間效率低、充電不完全;有的則存在著過充電和析氣等現象，並導致充電過程的低效，耗時和易損。 -
The charging of lead - acid battery, the most widely accepted secondary battery, constrained to technological limitation, mainly adopted traditional charging methods such as constant voltage, constant voltage with current limitation, constant current and etc. those methods may not follow the internal physical and chemical laws within the battery, leading to serious overcharge and gas - generation, and resulting in low - efficiency, time - consumming and prone - to - damage of the charging operation
二次電池中被最廣泛接受的鉛酸蓄電池由於技術條件的限制，其充電主要採用恆壓、恆壓限流、恆流等常規模式，這些充電方法未能遵從電池內部的物理化學規律，大多存在著嚴重的過充電和析氣等現象，並導致充電過程的低效，耗時和易損。 -
Deh oil system adopts high pressure dynamic phosphoric acid grease anti - ignite oil, performance is stable, the time constant of oil - driving machine and the inertia power are less
Deh的油系統採用高壓動力磷酸脂抗燃油，性能穩定。油系統設有蓄能器，可吸收油壓振蕩。 -
Virtual instrument based on labview 7 express for determinating dissociation constant of weak acid by conductivity
電導法測定弱酸離解常數的虛擬儀器 -
Abstract : the equilibrium constant of carbonization reaction of lime white was calculated using three thermodynamics methods. the results indicate that the carbonization reaction of lim white was the neutralization reaction between acid and alkali first, and it was the transform reaction of precipitation second. the essential cognition of the carbonization reaction of lime white was deepend. it was of guiding significance for industrial production of light ( precipitation ) calcium carbonate
文摘:用3種熱力學方法計算了石灰乳碳化反應的平衡常數，結果表明，石灰乳的碳化反應首先是酸堿的中和反應，其次才是沉澱的轉化反應，從而加深了對石灰乳碳化反應本質的認識，對輕質（沉澱）碳酸鈣的工業生產有指導意義 -
The activity of the phenol biosensor was inhibited by benzoic acid through reversible competitive inhibition mechanism and the inhibition constant is 33. 8 u. m. the inhibition was influenced by ph value of the determined solution and increased with decreasing ph
苯甲酸對該酚傳感器有競爭性可逆抑制作用，抑制常數為33 . 8 m ；溶液ph對抑制作用有較大影響，抑制作用隨著ph的降低而逐漸增強。 -
The result of research into electromagnetic beheaviours of polymeric magnets as follows : all of the two agents ( acrylic acid and polycarbonate ) can reduce effectively magnetic loss and dielectric loss, moreover, acrylic acid can increase the dielectric constant of the polymeric magnet at high frequency and microwave band. on the whole, the polymeric magnet modified by acrylic acid is preferable. the research of ir spectrum and xps of the polymeric magnets have showed that modifying polymeric magnet with acrylic acid is a chemical method in the part of composing polymer, we have chosen ferrocene as raw stuff
對改性前後高分子磁體的電磁性能研究結果表明：用丙烯酸或聚碳酸酯對高分子磁體進行表面改性，兩種試劑均不影響高分子的磁導率，並且它們均有效地降低了高分子磁體的磁損耗和介電損耗，更有研究意義的足：丙烯酸使高分子磁體在高頻微波下的介電常數得到明顯提高：從總的方面來說，丙烯酸改性高分子磁體優于用聚碳酸酯改性的高分子磁體。
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