查询词典 curvature of curve

Nitrate (NO3--N) showed a single hump-shaped curve with soil depth increased, but ammonia (NH4+-N) showed a parabola curve, with lowest value found in 20-40 cm soil layer and highest value in 0-20 cm and 40-60 cm soil layer.

油松林土壤全氮和有机质含量垂直变化趋势相似，随土壤深度的增加而降低；硝态氮(NO3--N)均随土壤深度的增加呈单峰曲线变化趋势，而铵态氮(NH4+-N)随土壤深度增加呈先降低后增加的抛物线趋势。

First super-low specific-speed centrifugal pump has a long and narrow flow passage for its high head and low capacity, and the power absorbed by disc friction is too high, so the efficiency is very low; Secondly the diffusion of flow passage is so high, that the reserved flow often emerges at the inlet and outlet of impeller. Therefore the H ~ Q characteristic curve is often hump-shaped, and at the low-capacity operating condition the instability often occurs; Thirdly the centrifugal pump at high-capacity operating condition is easy to overload because the N ~ Q curve appears a rising trend.

首先由于它的扬程较高、流量较小，所以它的流道狭长，圆盘摩擦损失较大，效率相对较低；其次由于它的流道扩散较严重，易在叶片进口产生回流和在出口产生脱流，扬程流量特性曲线易出现驼峰，在小流量工况下易产生不稳定现象；第三，由于其功率流量曲线呈现上升趋势，在大流量区运行时电机易过载。

Curve flexibility may dictate the degree of the fulcrum bending correction index, whereby a curve that is less flexible may achieve a greater fulcrum bending correction index.

曲线的弯曲度可能指明了支点弯曲矫正指数的程度，然而较不弯曲的曲线可能达到更大的支点弯曲矫正度指数。

The second part of the paper introduces the Z curve methodology which is the basic tool in analyzing prokaryotic genomes and gives a brief introduction to the application of Z curve method in various areas such as gene finding in prokaryotic genomes, isochore structure in eukaryotic genomes and identification of replication origins in the genome of archaeon and bacteria.

论文的第二部分介绍了DNA序列的Z曲线方法，这是我们分析原核生物基因组的主要工具，同时简单介绍了Z曲线方法在基因识别，基因组的isochore结构以及在细菌和古细菌复制起始位点识别等领域的应用。

Based on the actual conditions of the 5342 fully mechanized caving face of Wulan Coal Mine, the 3-D distribution of gas in the face is tested by measuring points arrangement in the stereo grid. The isograms of gas distribution of the face are drawn. Gas concentration nadir distribution curve along the working face incline direction is drawn by method of seeking function minimum points. The method of calculating gas emission components ratio of the face by means of the curve is brought forward.

针对乌兰煤矿5342综放工作面的实际条件，采用立体网格状的测点布置，对该工作面瓦斯体积分数三维分布进行了测定，绘出了瓦斯分布等值线图，采用求函数极值点的方法，得出了工作面沿倾向瓦斯体积分数最低点分布曲线，提出了基于瓦斯体积分数最低点分布函数的瓦斯涌出分量比例计算方法。

We focus on the light-curve index changes around the jet break times, and point out with our results that not all jets show light-curve breaks that have been observed.

最后根据计算结果，我们指出不是所有喷流都能产生观测上变陡的光变拐折。

First of all, the concept of S-N curve and the procedures of p-S-N curve fatigue test, data processing were introduced. And then, these procedures were taken into practice on 4 kinds of aluminum alloy welded joints: corner joint, butt joint, cruciform joints and double-sided lap joint.

文中首先介绍了S-N曲线的概念和p-S-N曲线疲劳试验方法和数据处理方法，并按照这些方法对角接、对接、十字接和双面搭接四种铝合金焊接接头试样进行了疲劳试验，得出了这四种焊接接头的中值S-N曲线和置信度为95%，存活率分别为90%、99%下的p-S-N曲线及其方程。

One of the great discoveries of the study is that the MSC can be used to analyze and describe the complex reactions that both phase transformation and sintering happened at same time. In addition, using both our five-parameter S-curve fitting and German's three-parameter curve fitting lead to very similar results and values of Qa. Most importantly, we cannot find satisfactory data to support the hypothesis that Qa varies linearly either with particle diameter or with initial porosity of the samples.

在利用主导烧结曲线模型分析六组实验数据过程中，发现主导烧结曲线具有拟合烧结与相变同时发生之能力，此拟合曲线中包含了四个反应，包括anatase与anatase的烧结、anatase与rutile的烧结、rutile与rutile的烧结还有anatase的相变，此四种不同的反应竟然可以只由一条主导烧结曲线描述其变化，是本研究重要的发现。

The empirical study discovers that:(1) The information technology companies in Taiwan that invest in China shows better financial performance, growth opportunities and company assets than those that don't. It indicates that the companies investing in China have better performance, higher growth in the future, and the tendency to expand;(2) In terms of the relationship between the scale of investment and the performance of the parent companies, the information technology companies listed in Taiwan show an S curve while the top 100 information technology companies in 2005 lead to a U curve, which indicate that information technology companies adopt different management methods at different stages. The enterprises with better sales don't exceed the optimal degree of investment;(3) The growth opportunities of the information technology companies listed in Taiwan investing in China have positive

实证结果发现：（1）台湾资讯电子业赴大陆投资在财务绩效、成长机会与母公司规模皆高於未赴大陆投资者，显示出赴大陆投资者绩效较好、未来具有较高的成长、有大型化的趋势；（2）台湾上市柜资讯电子公司与2005年前百大排名电子公司大陆投资程度与母公司绩效关系分别呈现S型与U型，显示资讯电子业在不同阶段有不同的经营模式，营收较佳的企业未超过最适的投资程度；（3）台湾上市柜资讯电子业赴大陆投资之成长机会对财务绩效具正向影响，显示出大陆投资之成长机会愈高，则有较佳的财务绩效；（4）台湾上市柜资讯电子业之大陆投资程度会影响母公司成长机会，显示随著大陆投资程度的变动，明显牵动母公司的成长机会。

According to upward developing law,the paper establishes a normal distribution curve towards increasing trend integrated with characteristics of vocational education;it acts as an approach in two-year higher vocational education system.Through resolving and integrating,the training aim up to the practical needs transfers to a simplistic ability index and increasing values of ability in each period.Designing a training-project of men for profession based on the curve may lead the training aim to obtain emplo...

结合职业教育特点按生长规律建立一条正态分布增趋势曲线，作为二年制高等职业教育的人才培养途径，把符合实际需要的培养目标，经分解整合形成具有象征意义的能力指数，并转换成各时期的能力提高值，依此来设计较为详尽的人才培养方案，会使目标沿正确的途径自然融入就业岗位，实现&零&距离就业。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。