突变性

分形理论正是描述粗糙性，突变性，间断不连续性的有力工具。

The fractal theory serves as a powerful tool to depict roughness , mutability and uncontinuity .

针对岩体变形破坏具有的突变性，结合材料力学理论，建立了岩梁-矿柱的尖点突变模型。

In view of the mutability in deformation and failure of the rock mass , and combined with the theory of the material mechanics , a cusp catastrophe model of rock beam-pillar was build .

目的为了调查Q流域地面水致突变性。

Objective To investigate the mutagenicity of Q river surface water .

商业数据流的突变性引发了其所蕴含的概念随着时间而变化的，正是由于随时间的持续变化，必然会导致概念模型的更新，进而引起概念漂移（ConceptDrift）问题。

The mutation of business data leads to the concept of it changes over time , which inevitably leads to the update of the conceptual model , and then rises to the concept drift .

黄曲霉毒素B1具有高毒性、高致畸性和高致突变性，是危害最大的真菌毒素之一。

Aflatoxin B1 ( AFB1 ), one of the most hazardous mycotoxins , is extremely toxic , mutagenic and carcinogenic .

利用Heaviside函数的阶梯性及Gaussian函数的突变性模拟了冻土相变过程能量的突变，提高了数值求解收敛的速度和稳定性。

The phase change phenomena of frozen soil were simulated based on Characteristics of Heaviside staircase function and Gaussian jump function , and convergence and stability were improved .

结果在加与不加体外代谢活化系统（S9）的条件下，H江水源水及出厂水中非挥发性有机物对TA98与TA100菌株均具明显地致突变性；

Results The NVOCs extracted from source water of H river and finished water showed significant mutagenicity to strains of TA98 and TA100 with or without S9 mixture .

研究了Fe-C共晶合金单向凝固时固-液界面的形貌，发现固-液界面的失稳是一渐变过程，而不是突变性的。

The morphology of the solid-liquid interface of unidirectional solidified Fe-C eutectic is investigated . It is observed that the transform of this interface from stability to instability is gradual , not interrupted .

计算了煤巷掘进工作面瓦斯涌出量的Hurst指数，其Hurst指数都小于0.5，表明具有更强的突变性。

The Hurst exponent of gas emission from the working face is calculated . Its results are less than 0.5 , which are indicated that it has strong chop characteristic of coal and gas outburst .

PNIPA智能水凝胶的智能性主要体现在两个方面：（1）PNIPA在相转变温度（LCST）附近，随温度的微小变化，凝胶的溶胀度具有很大的突变性；

Usually , the intelligent properties of hydrogels are shown into two aspects : ( 1 ) The hydrogels have discontinuous swelling ratios with little change of temperature near the LCST .

SOBEL边缘算子在提取二值灰度图像的边缘轮廓作为目标靶板的原始样本数据的过程中，在简化试验数据的同时，成功地保留了原有试验数据的特性&孔边界的突变性。

SOBEL edge operator was used to extract the edge contours of two-valued gray level image as the raw sample data , simplifying the test data , and reserving the original characteristics of test data , discontinuity of perforation boundary .

中国北方地区近50年来气温变化特征及其突变性

Change Characteristics of Temperature in North China since Recent 50 Years

藻类代谢产物对饮用水致突变性影响的研究

Study on Effect of Algal Metabolites on Mutagenicity of Tap Water

双（2,3-环氧-环戊基）醚致突变性研究

Studies on Mutagenicity of Bis ( 2,3-epoxy - cyclopentyl ) Ether

悬挂结构体系地震响应特性及其突变性分析

Analysis of seismic response and catastrophic behavior of suspended structure systems

用人淋巴细胞微核试验检测地面水致突变性

Detection of mutagenicity of surface water using human lymphocyte micronucleus test

运动技能形成过程中的突变性分析

Analysis on the Catastrophe in Motor Skill Learn in g

在工业控制系统中，设备故障信号多是突变性的。

In industrial automatically controlled system , fault signal is often paroxysmal .

某地区各类饮用水及水源水致突变性研究

Mutagenic Study of Drinking Water and Water Source in a Certain Region

转基因植物检测体系在环境污染物突变性评价中的应用

The Application of Transgenic Plant in Evaluating the Genotoxicity of Environmental Contaminants

特丁净致突变性与蓄积毒性实验研究

Study on the Mutagenicity and Cumulative Toxicity of Terbutryn

氯化饮用水致突变性影响因素的实验研究

Experimental study on the effect factors of mutagenic activity of chlorinated drinking water

二氧化氯和液氯消毒饮用水致突变性的比较

Comparison of mutagenicity of drinking water disinfected with chlorine dioxide and liquid chlorine

俄罗斯突变性社会转型模式生成根源分析

Social Change Model in Russia : Analysis on Formation Roots of Sudden Change

城市回用水致突变性研究

Study on Mutagenic Effect of Reclaimed Water in Tianjin

长乐胃癌高发区饮用水致突变性研究

A study on mutagenicity of source water for drinking in Changle counte , a

突变性和周期性是水文时间序列的两个重要特征。

Abrupt and periodic changes are two important characters of the hydrological time series .

正（负）反馈作用可加强（减弱）气候变化的突变性；

The positive ( negative ) feedback will strengthen ( weaken ), climatic jumps .

含铬工业废水对地下水及饮用水致突变性的影响

Effects of Industrial Wastewater Containing Chromium on the Mutagenicity of Ground Water and Drinking Water

条形基础下地基稳定的突变性

Catastrophe of Base Stability Under Strip Foundation