concentration methods 中文意思是什麼

concentration methods 解釋
濃集法
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  • methods : （方法）：是指定給對象的函數。在函數被指定給對象之後，該函數就可以被稱為是該對象的方法。
  1. Several cd1 - xznxte ( with the original concentration of x = 0. 04 ) crystals of different sizes were grown by bridgman methods modified with the accelerated crucible rotation technique ( acrt - b )

    本實驗採用加入加速柑禍旋轉技術的bridgman法，生長了兩種不同尺寸的cdl _ xznxte （起始組分為x = 0 . 04 ）晶錠。
  2. Materials and methods the mouse, golden hamster and human sperm were incubated with endotoxin in different concentration for different time to get capacitation, respectively, and ar was induced by progesterone after capacitation, then the rates of capacitation and ar were detected by chlortetracycline ( ctc ) and hoechst 33258 fluorescent staining method. the medium was with endotoxin in different concentration in sperm - oocyte fusion step during ivf, then the fertilization rate was observed. the 1 - cell, 2 - cell and zona - free 2 - cell mouse embryos were incubated in the medium with endotoxin, then the rate of blastocysts was recorded

    方法取小鼠精子10份、金黃地鼠精子6份、人新鮮精液標本10份及人冷凍精液標本9份，分別與不同濃度內毒素共孵育進行體外獲能和孕酮誘導的頂體反應，應用金黴素和dna結合的熒光染料hoechest33258雙重熒光染色法檢測精子的獲能率和頂體反應率；小鼠體外受精實驗的精卵結合環節培養液中加入不同濃度的內毒素，觀察受精情況並記錄受精率；取小鼠1 -細胞胚胎、 2 -細胞胚胎和去卵透明帶2 -細胞胚胎，與不同濃度內毒素共孵育進行體外培養，觀察體外發育情況並記錄囊胚率。
  3. Abstract : in the paper the deterrent content and the concentration of diphenylamine dibuty l phthalate and centralite in finished product manufactured by two different methods were analyzed by high performance liquid chromatography, which can provi dereference for adjusting the technology of the propellant manufacture

    文摘:利用高效液相色譜儀分別測定了發射藥在兩種制備工藝中的鈍感劑鄰苯二甲酸二丁酯和二號中定劑的含量及鄰苯二甲酸二丁酸在其中的濃度梯度分佈，為調整發射藥制備工藝提供了參考。
  4. Some main results of testing research were as fellows : i. in the course of testing of leaching zinc dross, leaching zinc dross by sulfuric acid was researched and the effects on the leaching rate of the zinc dross were analyzed by author, the optimum conditions of leaching testing of zinc dross were determined as fellows : liquid - solid ratio 6 : 1, stirring ratio 250r / min, granularity 120 mesh, the soaking time 5h, the concentration of sulfuric acid of 30 %, and under these conditions, the rate of leaching zinc is above 92. 0 %. ii. in the course of testing of purification, on the basis of comprehending and comparing all present methods of the manganese - removal and iron - removal, the oxidizing method of manganese - removal in zinc sulfate solution using ammonium persulfate was put forward and the oxidizing method of iron - removal in zinc sulfate solution using the goethite process and oxidation - hydrolysis process was adopted

    研究的主要結果具體如下： 1 、研究了硫酸浸出鋅浮渣並分析了影響浸出率的各種因素，確定了浸出鋅浮渣的最佳條件為：液固比為6 ： 1 ，攪拌速度為250r min ，粒度為- 120目，酸浸時間為5 . 0h ，硫酸濃度30 ，鋅浮渣的浸出率大於92 . 0 ； 2 、在綜合和比較了目前除錳和除鐵的各種方法基礎上，提出了過硫酸銨氧化除錳方法和選擇了針鐵礦-氧化水解聯合法除鐵方法，並分析和討論了影響除錳率和除鐵率等各種因素，確定了除錳的條件為：溫度90 ， ph值5 . 4 ，反應時間3h ，過硫酸銨達到理論值的1 . 2倍，除錳率超過99 . 86 ；聯合法除鐵的條件為：氧化反應時間1 . 5小時、溫度控制在90 92 、 ph值5 . 2 5
  5. The interaction between artemisinin and hemin was investigated by electrochemical methods. artemisinin was irreversibly reduced at - 1. 08v via a two - electron transfer at the glassy carbon electrode. in the presence of concentration of hemin as low as 4. 010

    青蒿素在玻璃碳電極上于- 1 . 08v處能發生一個2電子轉移的不可逆還原。即使在低至4 . 010
  6. Based on the arctic sea ice concentration data and the ncep / ncar reanalysis data, the contemporaneous relationship of the winter sea ice in the sea of okhotsk and its adjacent sea areas with the northern pacific storm track is investigated by statistical analysis methods

    摘要利用北極海冰密集度資料和ncep / ncar再分析資料，運用統計方法討論了冬季鄂霍次克海及其鄰近海區海冰異常與同期北太平洋風暴軸的聯系。
  7. There are various tactics or methods for giving effect to this principle, such as dispersion and concentration of forces, diverging advance and converging attack, the offensive and the defensive, assault and containment, encirclement and outflanking, advance and retreat

    執行這個方針，有兵力的分散和集中、分進和合擊、攻擊和防禦、突擊和鉗制、包圍和迂迴、前進和後退種種的戰術或方法。
  8. Methods for measurement of air pollution. determination of the mass concentration of sulphur dioxide in ambient air : tetrachloromercurate pararosaniline method

    空氣污染度的測量方法.第10部分:在環境空氣中二氧化硫質量濃度的測定:四氯汞化物副品紅法
  9. Using contrast and orthogonal experiment methods, the effect of electrolyte formulae for varied concentration of cr03 and technology of chromium plating on coating property was studied systematically in this paper. primary factors and their interrelations, which influence the brightness of coating, the current efficiency, dispersion ability and sedimentation velocity of electrolyte were discovered

    本文採用對比試驗和正交試驗等方法系統地研究了低、中、高三種不同鉻酐濃度的鍍鉻液組成和鍍鉻工藝對鍍鉻層性能的影響，找到了影響鍍層光亮度、鍍液電流效率、分散能力和沉積速度的主要因素及其相互關系。
  10. Methods the effects of three vasodilators on the potassium chloride, norepinephrine concentration - response curves and precontracted rabbit aorta were investigated

    方法以離體兔主動脈條觀察該三種血管舒張藥對氯化鉀、去甲腎上腺素量效曲線及預收縮血管的影響。
  11. Expounds the five main aspect of risk in national commercial bank, i. e. signal liability structure, bad loan quality, low capital efficiency, imperfect restriction on interior power, thin consciousness on risk avoidance ; summarizes five characters of the bank risks, including risk concentration, moral risk, risks caused by system structure, inequi ty between bank risks and revenues, aggrandizement trend of bank risks ; analysis eight reasons for bank risks, including proprietary ownership voidance, macroeconomic fluctuation, ineffective capita ] buffer mechanism, enterprise reasons. no synchronous fiscal investment and financial reform, incompetence law and regulation enforcement. chapter4 argues the opportunities and challenges of the financial globalization and requirement for bank risk managem ent. chapters suggests the methods for the risk management of national commercial bank

    緊接著在第三章闡述了我國國有商業銀行風險的「五大表現」 ，即負債結構單一、信貸資產質量差、資本充足率低、內部控制機制薄弱、防範風險的意識淡薄；總結了我國國有商業銀行風險的「五大特點」 ，即風險高度集中、風險人為匿藏、風險的體制性、風險與收益嚴重不對稱、風險呈繼續擴大態勢；剖析了我國國有商業銀行風險形成的「八大因素」 ，即金融產權「人格」虛設、宏觀經濟波動、資本金等緩沖機制不健全、財政、投資和金融的體制改革不配套、法律和法規不健全等。
  12. Methods with the content of the gentionpicrin as the index, the orthogonal test method was used for studying the effect of four factors ( alcohol concentration, the amount of alcohol, digestion times, extracting time ) on extracting rate

    方法：採用正交試驗法，以龍膽苦苷為檢測指標，用正交試驗考察4種因素（乙醇濃度、溶媒用量、浸提次數、提取時間）葉其含量的影響。
  13. Furthermore, the effects of chitosan concentration, amount of chitosan coated on veneer and different dyeing methods on the color fastness of dyed veneer are discussed in detail

    探討了不同殼聚糖質量分數、塗刷量、處理方法對染色單板的固色效果。
  14. In addition to basic courses such as general psychology, introduction to statistics and research methods, the courses can be grouped into four concentration areas, namely, cognitive science, education and human development, social and industrial - organizational psychology, and psychology and health

    本系課程的范圍共計有四十餘項個別科目。而除了心理學概論，統計學，及研究方法等基礎科目外，其他研讀科目可略分為四大類：
  15. Methods serums containing whole wmt and its disassembled formulas, including the formula consisted of warming jing and boosting qi part wenjin yiqi, wy and that of promoting blood circulation part huoxue tongmai, ht, as well as the serum contained high concentration of lipids were prepared conventionally, respectively. the adhesion of monocytes cell strain thp1 to human umbilical vascular endothelial cells huvec was determined by rose bengal stain method, and elisa was used to detect expressions of intercellular adhesion molecule icam1, vascular cellular adhesion molecule vcam1 and p selectin on huvec surface

    方法常規制備溫脈通全方溫經益氣拆方活血通脈拆方含藥血清和高脂血清，採用虎紅染色法檢測藥物血清對高脂誘導的人臍靜脈內皮細胞huvec和單核細胞株thp1黏附的作用用細胞elisa法檢測huvec表面細胞間黏附分子1 icam1血管細胞黏附分子1 vcam1 p選擇素pselectin的表達。
  16. These methods can effectively decrease the pollution concentration of air invironment, however, ultraviolet light must join the process, the purity effect is not good at being used indoors

    此方法雖然能有效降低環境中污染性氣體的濃度，但必須有紫外光參與，否則凈化效果不佳，應用於室內空氣凈化受到較大限制。
  17. Here we managed to make cultured mice peritoneal macrophages be directly influenced by oligochitosan, and be stimulated by ifn - r before oligochitosan added, then measured the changes of gene transcription and translation level of both il - 1 and imf - a, respectively by methods of relatively quantitive rt - pcr and elisa. first, rt - pcr results showed that 18 hours was the most effective time and 40ug / ml was the most effective concentration of oligochitosan, then by the same method, confirm that 4hours is the most effective time and loou / ml is the most effective concentration of ifn - r stimulating. because ifn - r can enhance il - 1 and tnf - a gene expression of macrophages alone, so add ifn - r to microphages alone for 22 hours, then examined by rt - pcr, the results showed that il - 1 and tnf - a gene expression have no remarkable difference compared with the blank contrast group

    此外，由於ifn y單獨作用也可促進兩種細胞因子基因表達，故在巨噬細胞中加入ifn y單獨作用22h ，再經阿一pcr檢測，發現加ifn y的實驗組細胞的幾一lp和tnf a基因轉錄水平與空白對照組相比較無顯著性差異，可見，殼寡糖和ifn v對巨噬細胞il lp和tnf一口基因轉錄水平的影響在作用時間上無一致性，在殼寡糖作用最適時間時，僅受ifn y刺激的巨噬細胞il lp和tnf q基因轉錄己下降至刺激前水平，因此可以認為， ifn y的加入僅起到對巨噬細胞預刺激使之處于敏感狀態的作用，有利於增強殼寡糖對巨噬細胞的作用。
  18. Aimed at developing a set of methods efficient in inducing the hairy roots with agrobacterium rhizogenes from trichosanthes bracteata voigt to meet needs for hairy roots for bioreactor culture research and application ; and also in order to investigate the roles of explants, agrobacterium rhizogenes, affecting factors and their magnitude and the underlying mechanism in the transformation, therefore to determine the optimum explants, pre - culture time, tested strain concentration, infection time, co - culture time, affecting factors and their effects working together and to obtain the optimum transforming condition by performing orthogonal test, this project was launched. with cotyledons and stems from trichosanthes bracteata voigt plantlets as explants, agrobacterium rhizogenes r1601 and r1000 as infection agents, transformation was performed using different methods and under various circumstances

    為了建立一種有效的誘導大苞栝樓發根的方法及其發根培養體系，以適合於發根生物反應器擴大培養研究和應用基礎的需要；本研究對誘導發根的外植體在發根農桿菌和環境因子等影響作用下進行發根的誘發及其可能的機理進行探討，從而找出用於發根誘導和培養的最佳外植體、預培養時間、發根農桿菌濃度、感染時間和共培養時間、誘導條件，並通過正交試驗得出優化的誘導條件。
  19. Methods for testing the performance of dust particle counter - particle concentration

    塵埃粒子計數器性能試驗方法顆粒數濃度
  20. The factors that affect the concentration of ozone water, mass transfer efficiency and effective dissolving efficiency such as ozone gas concentration, gas to liquid ratio, system pressure and dissolving methods are discussed

    討論了應用臭氧量、氣液比、系統壓力和氣液溶解方式對臭氧水濃度和臭氧有效溶解效率的影響。
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