At present, we can manufacture special standard product of British system, US standard, Japan standard, Gbif they are classified by the international standard and so on; we can manufacture stainless steel, copper, aluminum, carbon steel if they are classified by the material; we can manufacture the product which the diameter is Φ1.00-12.7mm, and the length is 2.5-150mm if they are classified by the dimension, the shape inside and outside, we can manufacture the standoff, the hexagonal head screw with washer, the step screw, the triangular screw, the snap SEM screw, the non-standardmuttern, the toy shft, the iron nail, the steel nail, the hexagon, wrenches, the rear hole rivet, the rivet, the floral nail etc.
目前，按国别标准分，能专业生产英制、美制、日标、国标等标准件；按材料分能生产出不锈钢、铜、铝、碳钢等类别；按大小分，能生产直径Φ1.00-12.7mm，长度2.5-150mm的产品；按形状分，能生产内外六角螺丝、六角头带垫螺丝、台阶螺丝，三角牙螺丝、子母钉钉组合螺丝、非标螺丝、玩具车轴、钢钉、铁钉、钢钉、六角板手、尾孔铆钉、拉钉、花钉等。
To solve the heat load problem of diesel engine cylinder liner, according to the temperature field data measured, actually the boundary condition calculation on cylinder liner is carried out, a comparatively perfect mathematic model and a geometric model are built up, and the analyse on the cylinder liner's three dimension temperature field and the thermal deformation under the condition of engine standard powor are given with the FEA method.
针对柴油机气缸套热负荷的问题，根据实测的温度场数据对气缸套进行了边界条件计算，建立了较为完整的数学模型和几何模型，采用有限元分析方法分析了柴油机标定功率工况下气缸套三堆温度场及热变形。
Computer analysis accomplished various linear and nonlinear estimations of heart rate variability, including mean and standard deviation of R-R intervals, low-frequency power (LF, 0.04-0.15 Hz), high frequency power (HF, 0.15-0.4 Hz), LF to HF ratio, correlation dimension, approximate entropy, and largest Lyapunov exponent.
每位受试者接受五分钟的心电纪录，并由电脑程式进行非线性与线性分析，前者包括Correlation Dimension，Approximate Entropy，与Largest Lyapunov Exponent，后者包括平均心率周期、心率标准差、低频功率(LF，0.04-0.15 Hz)、高频功率(HF，0.04-0.15 Hz)，与低／高频功率比值。
Using the numerical program RCSSCF for the reinforced concrete column based on the conjugate beam method, the influence of various parameters on the fire resistance performances of T-shaped columns subjected to the ISO 834 standard fire with typical fire exposure cases is investigated, such as axial load ratio, effective length, sectional dimension, load eccentricity ratio, reinforcement ratio and load angle.
利用高温下钢筋混凝土柱基于虚梁法的数值模拟程序RCSSCF，分析轴压比、计算长度、截面尺寸、荷载偏心率、配筋率和荷载角等参数对ISO 834标准升温过程下典型受火方式钢筋混凝土T形柱耐火性能的影响规律。
The steel wires produced under strict wire-rod standard, technical parameters and test methods can ensure stable dimension tolerance and mechanic performance of spring.
其严格控制的盘条标准，工艺参数和检测手段生产的钢丝能保证稳定的尺寸公差和机械性能。
In 2008, the IFAB set a fixed size of 105 m long and 68 m wide as a standard pitch dimension for A international matches.
在2008年，国际足协理事会将国际A级足球比赛场地的标准规格定为长105米，宽68米。
To produce an annular groove standard structure, the dimension of which
在装轴的孔内开出一个环槽属标准结构，尺寸可查设计手
Experiments of flow conductivity closure stress of typical propping agent are done, propping agent short-term flow conductivity alteration index is defined, by this, the relation between fissure short-term flow conductivity and closure stress, it is close to exponential relation. 4. Establishing the mathematical simulator of hydraulic fractured well`s production in a steady state, finding the relation curve between dimensionless flow conductivity and fracture penetration coefficient by means of calculation and analyses, it is the basis of hydraulic fracture. 5. Expatiating the importance of optimized hydraulic fracturing design in reservoir engineering, advancing the optimizing design method, fracture dimension can be calculated easily when the physical parameters are known. 6. Production rate decline standard curve of vertical fractured wells is achieved by mathematical simulation, when the flow pressure is certain, by asymptotic analyze, this decline curve is close to exponential relation.
完成了国内外典型支撑剂的导流能力闭合应力影响实验，在数据分析中定义了支撑剂短期导流能力变异系数，并由此发现裂缝短期导流能力随闭合应力变化的近似符合指数关系式； 4 建立了一种水力压裂井稳态产能的数学模拟器，计算分析找到了最优无量纲导流能力与裂缝穿透比之间的新型关系曲线，它是水力压裂优化设计的基础； 5 阐述了水力压裂油藏工程优化设计的重要性，提出了优化设计方法，在已知支撑剂物性参数条件下可简洁计算最优裂缝尺寸； 6 数学模拟给出了垂直裂缝井产量递减标准曲线，在井底定压条件下通过渐近分析表明，该递减曲线满足指数关系式。
Traditional dimension reduction methods about similarity query introduce the smoothness to data series in some degree, but lead to the disappearance of the important features of time series about non-linearity and fractal. The matching method based on wavelet transformation measures the similarity by using the distance standard at some resolution level.
传统相似性查询的维数约简方法导致时间序列的非线性和分形这些重要特征消失，基于小波变换的匹配方法是通过某一分辨级的距离标准来度量相似性。
After that, the best dimension parameters of guardrail structure is obtained, the result expressed that the performance of the guardrail optimized is better than that of the standard.
结果表明，本文所提出的正交试验方法为护栏的设计指出了一条新的道路，具有重要的工程实用意义和价值。
To audit the client`s drawings; translate technology documents; check up technology standard, material and specification; analyze dimension chain and tolerance; analyze difficult points of structure parts; pigeonhole technology file, mark, trace drawing of CAD and 3D; control drawings and put out; clear up and audit product standard, technical standard, galvanization standard, spray mold standard, salt spray testing standard, package standard and performance testing standard of production etc; clear up and audit technical of stamping hardware, Zinc die-casting, galvanization, machining, heat treatment, throw pill, shake pill and spray etc; design and manufacture precision stamping die（cutting、bending、drawing、forming）; Be familiar with single-operation die, compound die, bending die, drawing die and plastic mould.
审核客户的图纸、翻译相关技术资料、核对技术标准、材料标准、技术要求、尺寸链及公差分析、零件结构难点分析。技术文件归档、编号、描图（CAD、3D）、图纸受控和发放；整理和审核产品标准、工艺标准、电镀标准、喷涂标准、盐雾试验标准、包装标准、产品性能检测标准等；整理和审核五金冲压工艺、锌合金压铸工艺、电镀工艺、机加工工艺、热处理、抛丸工艺、振模工艺、喷塑工艺等；精密冲压模具设计（冲裁、弯曲、拉伸、成型）及制造，熟悉单工序模、复合模、折弯模、拉伸模和塑料模。
Yangxu double eccentric semi-ball valve series of product executes the national standard GB91131.1-2000 dimension series flange connection, which is easy for installation and can replace the existing valve types.
阳旭牌双偏心式半球阀系列产品，贯彻了国家标准GB91131.1-2000尺寸系列法兰连接，便于安装及替代现有阀门品种，亦可根据用户需要的连接尺寸系列安排生产，适用不同工况条件下的需要。
Week 15 Experiment law of hydrogen atomic spectrum, Bohr hydrogen atom theory, wave -particle dualism of matter, de Broglie waves, uncertainty relation, wave function and its statistical explanation, standard condition of wave function, Schrodingger equation in one dimension, simple introduction of quantum mechanics.
第15周氢原子光谱的实验规律，氢原子的玻尔理论；波粒二像性，德布罗意波，不确定关系；波函数及其统计解释，波函数的标准条件，一维薛定谔方程，量子力学简介。
Thermoplastic pipes with same material have several classification methods by different wall thicknesses, including classification by standard dimension ratio SDR and classification by pipe series S.
对同种热塑性塑料制成的相同公称外径的不同壁厚的管材进行分类有几种方法，有按标准尺寸比SDR分类，也有按管系列 S分类，本文介绍了管系列 S的含义、分类方法及以交联聚乙烯PE X管材为例介绍管系列 S与公称压力、使用寿命等的关系。
Personality traits were evaluated by Eysency Personality Questionnaire that was compiled by Eysency and revised by Gong. Standard scores of Psychoticism, Extraversion and Neuroticism were calculated, and taking 50 points as a boundary. Each dimension was assigned into 2 grades non-psychotic type (P0) psychotic type (P≥50), introversion type (E0), extraversion type (E0), non-nervous type (N0) and nervous type (N≥50). 5 mL ulnar vein blood was obtained without adding decoagulant, and then serum was removed. Genome DNA was extracted from blood clot by conventional chloroform for PCR analysis. PCR product was sequenced by pyrophosphoric acid. SNP was determined by PSQ96 MA sequenator. Allele frequency was analyzed by mass spectrometry.
人格评定采用Eysency编制，龚耀先修订的艾森克人格问卷、计算精神质，内外问，神经质3个个性维度的标准分，并以50分为界，将各维度分为两个等级：非精神病倾向型（精神质0）、精神病倾向型（精神质≥50）；内倾型（内外向0），外倾型（内外向≥多50）；非常经质倾向型（神经质0），神经质倾向型（神经质≥50）取肘静脉血5 mL，不加抗凝剂，弃血清，血凝块常规酚氯仿提取基因组DNA，进行PCR分析PCR产物应用焦磷酸测序PSQ96 MA测序仪进行SNP检测，用质谱法进行及等位方基因频率分析。
It was confirmed by the tests of finished tires that the inflated overall dimension, physical properties and endurance properties met the requirements in the relative design and standard.
成品轮胎试验结果表明，充气轮胎外缘尺寸、物理性能和耐久性能均符合相应设计和标准要求。
By compared with standard Brownian motion, the fractional dimension number of path of practical liquid molecular motion is analyzed theoretically on the basis of fractal theory.
运用分子动力学模拟方法，模拟了84K恒温液氩系统中分子的运动过程，统计了不同空间观测尺度及时间观测尺度下分子运动轨迹的分维数。
The coefficient of thermal expansion is an important parameter attributing performances of materials However, there is no standard method to measure the CTE of low-dimension material s (one-dimensional wire stock and two-dimensional belt material) at present In this study, a measuring system is designed to solve the problem.
热膨胀系数是表征材料性能的一个重要参数，但目前对低维材料的热膨胀系数尚无标准的测试方法。
Make sure that the body dimension meet the requirement of BIW assembly and quality standard.
2.1。保证车身尺寸满足白车身装配要求和整车质量要求
To solve this problem, a cost estimation model is built up with the measurement standard of the time cost of queries and the storage cost of dimension tables, and the optimization algorithms of dimension tables schema is designed by using genetic algorithms.
针对数据仓库使用雪花模式组织维表而带来的太多连接开销，以查询的时间开销和维表的存储开销作为衡量标准建立代价估算模型，设计基于遗传算法的维表模式优化算法。