法处
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根据菌株G4发酵液的理化性质,采用发酵液与等体积丙酮混合沉淀法预处理发酵液,然后采用柱层析除去杂质,经过真空冷冻干燥等到粗品。
Based on the physical and chemical properties of fermentation liquid of strains G4 , fermentation liquid was pretreated with acetone , ratio of1:1and most of impurities were removed from fermented liquid using column chromatography . Fermentation liquid was changed from liquid into soild using freeze-drying method .
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我的婶婶和叔叔住在德法交界处。
My aunt and uncle live on the border of Germany and France .
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在德法边界处(阿尔萨斯省),那里冬天气候凉爽寒冷,夏天炎热。
Cool to cold winters and hot summer along the German border ( Alsace ) .
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MTT比色法于570nm处测定光密度值(OD),描记干扰前后细胞的生长曲线。
MTT assay was measured at 570 nm optical density ( OD ), cell growth curve was recorded before and after interference .
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通过对PRI变换法的几处缺陷进行改进,提出了一种修正的PRI变换法,该修正方法对PRI的估计精度较高,有效地解决了对抖动PRI分选的问题。
Through modifying several flaws of PRI transform , the thesis brings forward a modified PRI transform algorithm . The modified algorithm has high estimating precision for PRI , and solves the problem of deinterleaving dither PRI radar pulses effectively .
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方法将SSED加入不同标准铁溶液,用紫外分光光度法于550nm处测其吸收度A值反映样品颜色变化,旋光法测定旋光度并计算相对百分含量,同时观察性状外观。
Methods Adding the SSED into different volume of iron solution , the absorption value A and specific rotation were measured by means of ultraviolet spectrophotometry and polarimetry ;
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方法:采用L9(33)正交实验,以料液比、反应时间和盐酸浓度为影响因素,通过蒽酮比色法在624nm处测定其总糖和还原糖的含量。
Methods : using orthogonal design L9 ( 33 ) to choose the best condition of the ratio of material and solvent , reaction time and concentration of HCl , and testing total sugar and reducing sugar unnder 624 nm by Anthrone colorimetry .
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小鼠脑片以缺氧缺糖(OGD)方法诱导损伤,用分光光度法在490nm处测量皮质和纹状体formazan合成量。
After mouse brain slices were treated by oxygen / glucose deprivation ( OGD ) to induce injury , the formazan product in the cortex and striatum was measured and calculated based on the absorbance of the formazan standard solution .
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用注气法消减两处断流弥合水锤问题的研究
A Study on Control of Water Column Separation Accompanying Transiet Flow at Two Points by Entrapped Air
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采用苯酚-硫酸比色法在491nm处优化人工虫草菌丝中多糖含量的测定条件,研究了不同提取条件对其含量的影响。
In this paper , Cordyceps polysaccharid was separated and determined by ultraviolet-visible spectrophotometry at 491 nm using phenol-vitriol method .
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针对分区间检测法临界点处的跳跃问题,利用模糊神经网络理论进行了探讨,基本解决了临界点处的跳跃问题。
To overcome the problem of the angle 's jumping on some critical points , the paper discussed it by using fuzzy neural network theory and solved it basically .
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以邻苯二酚为底物,采用分光光度法测定波长410nm处山药多酚氧化酶的活性,研究了pH、温度、底物浓度和抑制剂对山药多酚氧化酶活性的影响。
The yam polyphenol oxidase activity was determined spectrophotometrically at 410 nm with catechol as substrate , and effect of different pH , temperature , substrate concentration and inhibitor concentration on polyphenol oxidase activity was studied .
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采用FDTD法和MPML吸收处界条件,对无限大钢筋网、钢筋混凝土层和素混凝土层的电磁脉冲屏蔽效能进行了时域全波分析。
It presents a time domain full wave analysis of infinity wire mesh reinforcement , reinforced concrete layer and concrete only layer in FDTD method .
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为考察温度、浓度、光、pH值对川芎蒸馏液中藁本内酯稳定性的影响,采用紫外分光光度法,在271nm处测定川芎水蒸汽蒸馏液的吸收度(A值)。
To investigate the effects of temperature , concentration , light and pH value on the stability of ligustilide in distilled fluid of Rhizoma Chuanxiong , ultraviolet spectrophotometric method was used to detect the absorbance ( A value ) of the distilled fluid at the wavelength of 271 nm .
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方法以芦丁为对照品,采用紫外分光光度法在波长500nm处测定海红果中的总黄酮。
Method The content of total flavonoids in fruit of MM was determined at 500 nm by ultraviolet spectrophotometry with rutin as standard control .
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方法以硫酸阿托品为对照品,利用酸性染料比色法,在420nm处测定槲寄生总生物碱含量。
Methods The total alkaloids were tested at 420 nm with acid dye colorimetry in which atropine sulfate was used as standard reference .
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根据桥梁主梁处风场特点,利用谐波合成法模拟了主梁处的脉动风速时程,通过对脉动风速谱密度矩阵的显式分解和FFT技术的引入,极大的提高了模拟效率。
According to the characteristic of wind field on bridge main deck , WAWS is utilized to simulate the fluctuating wind velocity time history . By use of the explicit decomposition of the wind velocity spectrum density matrix and the FFT technique , the efficiency of simulation is improved greatly .
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利用镜像法满足结构边界处的应力自由条件,通过圆柱形Bessel函数的加法定理实现总波场的叠加,给出了动应力集中因子的解析解和数值算例。
Image method is employed to satisfy the traction free boundary conditions of the semi-infinite slab . The addition theorem for cylindrical Bessel function is used to accomplish the superposition of wave fields , and the analytical solution and numerical examples of the dynamic stress concentration factor are obtained .
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电化学法测量壁面处的湍流速度梯度
Measurement of turbulent velocity gradient on the wall with electrochemical technique
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弦法在奇异点处的一个改进格式
An improvement for chord method at singular points
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研究立法权应界定法的内涵与处延。
Legislative power being studied , the connotation and extension of law should be defined .
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很抱歉,寇特妮没法跟他想处多些时间。
I 'm just sorry that Courtney didn 't get to spend more time with him .
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瞬态电荷收集法研究a-Si:H/a-SiN:H界面处的电子积累
Study of Electron Accumulation in a-Si : H / a-SiN : H Interface by Using Transient Charge Collection
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方法以东莨菪内酯为对照品,采用分光光度法,于348nm处测定总香豆素含量。
Seem . Methods The content of total coumarin was determined with ultraviolet spectrophotometry at ( 348 nm ) using scopoletine as reference .
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例如,利用地震法可确定场地处基岩的深度,勾画出沙和砾石沉积物,查明含水断裂带。
Such as the determination of depth to bedrock , the delineation of sand and gravel deposits , and detection of water-bearing fracture zones .
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现场再生维修法有:裂缝处的再生;大面积裂缝油面的再生。
The regenerating maintenance ways in sites are the ones of regenerating in the crevice positions and regenerating of oil pavement of large areas crevices .
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计算结果表明,一般的振型叠加法计算无质量处的位移是不正确的。
Calculation results show the approach to the calculation of displacement at no mass point by using a general method of superposition of vibration mode is not correct .
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这家芬兰公司打算从其法美竞争对手处收购资产的举措,凸显出该公司在一年前将手机业务出售给微软之后已回归增长,并想扩张自己的业务。
The Finnish company 's move to acquire assets from its Franco-American rival highlights its return to growth and appetite to expand following the sale of its handset business to Microsoft a year ago .
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第六部分是贷款诈骗罪的罪数形态,就该罪牵连犯、连续犯、法条竞合的处断进行了系统阐述。
The sixth part is about the form of quantity of the crime , it makes a systematic explanation of the judgement and treatment of implicated offender , continuous offence and the article coincidence in the crime .
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本文较重要的特点是在采用观察法、访谈法针对X处的重点岗位进行工作分析时,结合了职业素质能力要求,来获取工作分析信息,做出了一些有益的探索。
The text 's feature is while employing observation method and interview approach to analyze the key posts of the office , it integrates six-dimension professional capability requirement to gain work analysis information and make beneficial research .