Correlation between sludge yield index ( SYI) and MLVSS/ MLSS ratio has established, and by this correlation the causes of large range fluctuation of SYI are discussed.

The output power of high-power semiconductor lasers is greatly influenced by the temperature change, small temperature change can cause large fluctuation in output power and wavelength, threshold current and life will be affected.

大功率半导体激光器的输出功率受温度变化的影响很大，微小的温度变化就会导致输出功率很大的波动，而且波长、阈值电流和使用寿命也会受到影响。

High diversity during non-outbreak phase can suppress large fluctuation of defoliators.

非暴发期的多样性高可降低害虫的变动幅度。

Compared with perturbation stochastic component method, results of recursive combining with component method to random eigenvalue problems of large-scale and complicated structural systems involving random variables of large fluctuation levels can better approximate those of Monte-Carlo simulation.

对于在较宽随机涨落范围内大型复杂结构的随机特征值问题，相对于摄动随机子结构方法而言，递推子结构结合法的结果能够更好地逼近蒙特卡罗模拟解。

Many researches found that the complex Dielectric Parameters show a large fluctuation with the change of working wavelength; this will seriously affect the physical quantities such as Surface Plasmon propagation length.

物理实验研究发现，贵金属的复介电参数会随工作波长变化呈现出较大浮动，这对表面等离子体波传播长度等物理量的计算产生重要影响。

Contrary to the above, the brake torque curve of the C/ C composite with smooth laminar ( SL) pyrocarbon structure showed large fluctuation and small dimension loss, on its worn surface was generated rougher debris layer at normal landing condition.

具有光滑层热解炭结构的炭/炭复合材料在正常着陆条件下刹车力矩曲线波动很大，磨损较小，摩损表面形成较为粗糙的磨屑层；

Based on the char-acteristic of large fluctuation in static head of the drainage pumping station of a hydropower station, this paper presents a mathematic model for economic operation of the pumping station with calculating method and example.

本文根据水电站排水泵站静扬程变幅大的特点，建立了泵站经济运行的数学模型，给出了计算方法，并附有算例。

Example calculation shows that the steady state productivity model of snaky well should be used in calculating the productivity of a horizontal well with large fluctuation;

实例计算表明：当井的水平段起伏较大时，不能将其处理为水平井，而应根据蛇曲井产能计算模型计算其产能，否则将导致产能预测出现较大偏差。

Further studies show that, neither in the long run nor short run, the shock from exchange rate is the key factor to the large fluctuation.

进一步研究表明，无论短期还是长期，汇率冲击都不是造成贸易差额大幅变动的关键性因素。

Unlike normal commodities, perishable goods have long production cycle, short sale season and large demand fluctuation, which bring more difficulty to the coordination of such supply chain.

易逝品不同于一般商品，通常生产周期长、销售周期短、需求波动大，使制造商和销售商面临更大的风险，供应链协调的难度也更大。

In summer and autumn, the sediment is of find grain size, bad sorting and high BSi contents; in winter and spring, it is of coarse grain size, worse sorting, large fluctuation and low BSi contents.

研究发现夏秋季沉积物颗粒偏细、分选差，生物硅含量高；而冬春季沉积物颗粒偏粗、分选更差、各参数波动范围大，生物硅含量低。

Some research state clearly: random dynamic respond of large fluctuation levels can be given rise to random variability of structure's parameters and sometimes it becomes leading factor.

众多研究工作表明：结构参数的随机变异性可以引起结构随机动力响应的随机涨落，结构力学参数的随机性还可能成为主导因素。

Along with the liberalization comes large fluctuation of interest rate, quick rising of interests rate risk of commercial banks and thereafter many financial institutions' bankruptcies due to great losses caused by interests rate risk.

伴之而来的是市场利率大幅波动，商业银行的产品定价面临巨大挑战，利率风险急剧上升，大批金融机构由于市场利率波动造成的巨大损失而倒闭破产。

Sewage wastewater of the scenic spot, which consists in a large fluctuation of water character and flow, is required to be treated fully, especially its requirements of color and odor.

风景区生活污水的水质水量变化大，要求深度处理，尤其是色度和臭度。

There are two factors influencing identification of low-amplitude anticlines: One is the static correction problem caused by large fluctuation of the surface landform.

低幅度背斜识别的影响因素主要有两点：一是因地表形态起伏较大而引起的静校正问题，二是构造上倾方向存在速度异常。

Aimed at the problem of large load fluctuation and difficulty of steam balancing of the steam turbine bundle, DCS feedforward control system was used to control the steam pipeline network in ammonia plant to ensure safe and highly efficient operation of the compressor bundle.

针对大型机组汽轮机负荷波动大、蒸汽平衡困难的特点，使用DCS前馈调节系统对合成氨蒸汽管网进行控制，确保机组安全高效运行。

Further research illustrate that the laser system in a chaotic state is an equal-weight coupling state with more acute competing and more synergetic actions in different modes which presents characters of high intensity and large fluctuation in macroscopic scales.

进一步研究表明，处在混沌状态的激光系统中的不同模式处于竞争更激烈、协同作用更强的等权耦合状态，在宏观上表现出高强度、大涨落的特性。

The process has the advantages of flexible operation, higher buffer capacity, and higher removal rate of pollutants. The effluent quality basically reaches the standard under the large fluctuation of influent quality.

该工艺在进水水质波动较大的情况下，出水水质基本能够达标，具有运行灵活、缓冲能力强、污染物去除率高的优点。

Based on principles of internal combustion engine and fluid dynamics, combined with analysis of test behavior, the ensuing research test finds that the problem results from large pressure fluctuation in intake pipes.

相继展开的研究性试验，依据内燃机原理及流体力学等基础理论，结合对试验中的各种实际表象的分析，找到了原因是进气管压力波动较大所致。

Finally we find that the-effective critical current of RF-SQUID loop is greatly reduced by large fluctuation and the transition width can be determined with a simple equation.

结果表明：大的热涨落使RF-SQUID环路有效临界电流明显下降，从而使跃迁点大大提前，跃迁宽度满足一个普适表达式。

The experiments that the fluids reacted with minerals during crossing the critical state, indicate that the reaction rates experience a large fluctuation.

跨越临界态这一转变过程中的矿物水反应动力学实验结果表明了反应速率的大涨落。