base number
英 [beɪs ˈnʌmbə(r)]
美 [beɪs ˈnʌmbər]
基数; 底数；碱值
双语例句
- A logarithm tells you what power a base number must be raised to in order to produce a given value.
对数说明一个底数的几次幂等于一个给定的值。 - If you wish to ensure that Planning only calculates using the base number with a given number of decimal places, then the@ TRound built in function may be used to achieve this.
如果您想要确保Planning仅使用有给定小数位的基数进行计算，那么内置在函数中的@TRound可以实现这一点。 - It was recognized that the retention percentage of total base number and the sludge amount could reflect the hydrolytic stability.
探讨了评价高碱值磺酸钙水解安定性的方法，认为总碱值保留值和淤渣量均能较好地反映水解安定性。 - The Total Base Number ( TBN) can be described as a measure of oil ′ s ability to neutralise strong acids created during the combustion process.
总碱值（TBN）可以说是润滑油中和燃烧过程中产生的强酸的重要手段。 - A set of test device and test method was established to determine the carbonate content and the ratio of base number contributed by carbonates to the total base number of the detergent.
设计了测定润滑油金属清净剂中碳酸盐与酸反应放出二氧化碳的实验装置，建立了测定金属清净剂中碳酸盐含量及碳酸盐碱值占总碱值份额的方法； - ASTM D2896-03 Standard Test Method for Base Number of Petroleum Products by Potentiometric Perchloric Acid Titration.
电位高氯酸滴定法对石油产品碱值的试验方法。 - And the method of how to decide the base number under either stable and random circumstances in the commission operation of railway property was studied;
分别在稳定和随机环境下对铁路资产委托代理经营中基数的确定办法进行了研究； - Among them, the combined base determination approach is a very concise and effective way to determine the base number and it has generated vast economic results in practical application.
其中，联合基数确定法是一种简明有效的基数确定方式，在实际应用中取得了较大经济效益。 - The effect of wavelet base number, learning rate factor and momentum factor on prediction is discussed.
探讨了二进小波神经网络中小波基个数、初始学习速率因子和动量因子等参数对网络预测结果的影响。 - The reasons of precipitation formation after mixing alkyl salicylates ( T109) and alkyl benzene sulfonates ( T106) were discussed. The structure schematic formula as well as colloidal and micellar shape of different base number alkyl salicylates and alkyl benzene sulfonates were given.
探讨了烷基水杨酸钙（T109）与烷基苯磺酸钙（T106）混兑产生共沉淀的原因，提出不同碱值烷基水杨酸钙和烷基苯磺酸钙的结构示意式和胶体胶束形态。 - Statistical results on the denominator body show that the natural base number of uranium contents in deep groundwater in the ore deposits may approach to the anomalistic lower limits of uranium contents in shallow groundwater.
分母体统计的结果表明：矿床内深部地下水中铀含量的自然底数值和浅部地下水中铀含量的异常下限值很接近。 - It was found that the particle size distribution and the average particle diameter of the colloid system were closely related to the types of the promotor and the organic acids, but basically had no connection with the base number of the colloid system.
结果表明，胶体体系的胶粒粒径分布及平均粒径主要同促进剂类型以及有机酸种类有关，同胶体体系的碱值高低基本无关； - Determination of total base number of engine's lubrication oils by cycle voltammetry
润滑油总碱值的循环伏安法测定技术 - This paper briefs the application of total base number surveying to the whole course of equipment lubrication management.
对总碱值检测法在设备润滑的全过程管理中的应用进行了介绍。 - Target classification based on the optimal base number
基于最佳基数目的目标分类研究 - The optimization of base number of geological prospecting expenses is very important for carrying out the favorable policies of geological prospecting units after localized management.
地勘费基数优化使用是贯彻、落实国务院给予属地化地勘队伍优惠政策的一项重要内容，正确理解地勘费基数的特点是用好用足这项优惠政策的关键。 - Compared with traditional, the model can effectively lead into competitive mechanism, weaken base number of a tender and finally win the bidding with a not less than cost reasonable low price on the premise of assurance of quality and deadline.
与传统的招标方式相比，该招标模式能够有效地引入竞争机制，淡化标底的作用，在保证质量、工期的前提下，最终以不低于成本的合理低价中标。 - Discussion on Optimization of base number of geological prospecting expenses
论地勘费基数的优化使用 - A new method for rapid determining the total base number ( TBN) of internal combustion engine oil by voltammetric techniques was described, the result determined by voltammetric technique was compared with that by standard method.
介绍了用伏安法快速测定内燃机油总碱值新技术，并将伏安法测定结果与标准方法测定结果进行了比较。 - Rapid determination of antioxidants total acid and total base number in lubricants
润滑剂抗氧剂、总酸值和总碱值的快速测定 - Discussion on How to Determine the Base Number of Tender for Construction Project
论如何确定建筑工程招投标标底价 - Practicing the strict pre-qualification system and confirming the base number of a tender of tender evaluation scientifically and rationally, can prevent the illegitimate competition behavior while submitting a tender effectively.
实行严格的资格预审制度和科学合理地确定评标标底，可以有效地预防投标中的不正当竞争行为。 - But the 4 tRNA genes showed high mismatch rate. Their T ψ C-loops lack the relative conservative sequence of T-ψ-C-Pu-A, and the base pair numbers of each stem and the base number of each loop vary strikingly.
4个tRNA基因的碱基错配率较高，TψC环缺乏相对保守的T-ψ-C-Pu-A序列，各臂的碱基配对数、各环碱基数目变化较大。 - The New Method for Rapid Determining the Total Base Number of Internal Combustion Engine Oil by Voltammetric Techniques
内燃机油总碱值快速分析新技术 - The research results show that the micellar structure of detergents has an important influence on the performance of products. The particle diameter decreases while the total base number of the detergent increases.
结果表明，添加剂中碳酸盐含量及胶体粒子的组成结构是影响产品性能的重要因素。 - Based on the analysis of the drawbacks of the tendering and bidding system, this article brings forth the feasibility and necessity of carrying out the type of invitation to bid for working drawings without the base number under the new situation of railway construction.
分析旧的招投标体制弊端，提出在铁路建设新形式下推行施工图基础上的无标底招标方式的可行性和必要性。 - Based on the comprehensive assessment in course of submitting bids for highway engineering projects and combined with living examples, this article makes an analysis and description of the combined base number in scientific and reasonable terms.
针对公路工程项目招投标过程中的综合评估法，结合具体实例，对其复合标底的科学性及合理性进行分析、论述。 - Total Base Number Surveying Applied in Equipment Lubrication Management in Port Shipping Enterprises
总碱值检测法在港航企业设备润滑管理中的应用 - Established a long-term dynamic management mode of public places, to ensure the health supervisors to grasp the base number and dynamic changes of the public health monitoring objects.
建立了公共场所动态管理长效机制，确保卫生监督员及时掌握公共场所管理对象底数及其动态变化。