yn

Construction Quality Control of YN High Molecular Polymer Waterproof Layer

YN高分子聚合物防水层施工质量控制

Measurement Principle Analysis of Y / yn Transformer with Single-phase Load

Y/yn接线变压器带单相负载的计量原理分析

Simulation Analysis of Negative Phase Sequence Current of YN , vd Balance Transformer

YN，vd平衡变压器负序仿真分析

Development of YN Type Speediness Soil and Fertilizer Nutrient Measuring Apparatus

YN型快速土壤肥料养分测定仪的研制

Locating Winding Fault on YN - type Transformer by Phase and Cascade Deviation

用相差、级差法查找YN型变压器绕组的故障

Utilizing experimental data , it is possible to optimize model parameters in the theoretical studies of YN interaction .

利用超核实验数据来优化选择YN相互作用参数是有可能做得到的。

The impedance constraint relations of yn / v transformer and its equivalent circuit

YN／V平衡变压器的内部阻抗约束关系及其等值电路

Fundamentals of Impedance Relationships of New YN / > / ~ - V Connected Balance Transformer

YN/>/~-V新型平衡变压器阻抗平衡关系的基本理论

Study about Light Hypernuclei and YN Interaction Based on Chiral SU ( 3 ) Quark Model

基于手征SU（3）夸克集团模型的YN相互作用和轻超核研究

His mathematical thinking and methodology exerted a profound impact on the development of mathematics yn later ages .

他的数学思想和方法，对后世数学的发展具有重大的启迪作用。

Use of YN self-adhered membrane in waterproofing of Subway Line No.2 , Guangzhou

YN自粘卷材在广州地铁二号线防水工程中应用浅析

The paper gives a detailed introduction to the structure and working principle of YN type speediness soil and fertilizer nutrient measuring apparatus .

介绍了YN型土壤肥料养分测定仪的结构及工作原理。

Primary side is YN connection and neutral point can be earthed , which are same as conventional power transformer .

原边仍为YN接法，中性点可接地，与传统的电力变压器相同。

YN Interactions and the Binding Energy of the Hypernuclei ~ 5_ Λ He

yn相互作用和轻超核~5∧he结合能的计算

This method has been direct determination of trace vanadium yn tungsten concentrate and wolframite , with proves satisfactory results .

服从比尔定律，用该方法直接测定钨精矿和钨矿中微量钒，获得了满意的结果。

Cross counter immuno-electrophoresis between pseudorabies virus yn strain and min a strain and Soviet Union strain

伪狂犬病病毒YN株与闽A株、苏联林交叉对流免疫电泳试验

Compared with YN / V connected ims former , this transformer can remarkably decrease negative sequence current and harmonics in power system .

通过与YN／△接线变压器比较，说明YN／联结平衡变压器在减小电网负序和谐波电流方面具有很大优势。

Due to the little application of YN / y wiring transformer in electric power system , the characteristic of this type of transformer is often ignored .

由于YN/y接线变压器在现场中应用比较少，厂家往往忽略了该类型变压器的特点。

Comparison between Reel-Y , yn and Reel-Y , zn of Transformers

电力变压器绕组Y，yn和Y，zn联接法的比较

In the electric railway power supplying systems in China , YN / connected balance transformers ( including impedance-matching balance transformer ) are most commonly used as traction transformers .

在我国的电气化铁道牵引供电系统中，YN/？平衡变压器（含阻抗匹配平衡变压器）是应用最为广泛的牵引变压器。

With the Straight Line & Arc Interpolation By Half Deviation-Best Geometrical Way to control SLO-S YN stepper motor , it works stably and has high precision .

软件采用半步偏差&几何最优化插补方法实现对混合式步进电机的高精度控制。

With the help of the Carleman inequality and the periodic condition , we get the boundness of a minimizing sequence { yn } to problem ( P ) in a suitable space .

借助Carleman不等式及方程的周期性条件，我们得到了最小化序列在相应空间的有界性。

The multi-loop mathematical models of squirrel cage induction motor YN , Y or D connected are deduced and developed successfully under the conditions that the motor is healthy , faulty with inner faults viz .

基于多回路理论，建立了YN接、Y接、D接笼型异步电动机在正常、内部故障（定子绕组匝间短路与转子断条）情况下的多回路数学模型。

In terms of the YN interaction based on the chiral SU ( 3 ) quark model , the spectra of light hypernuclei 4 Λ H , 4 Λ He and 5 Λ He are calculated .

采用基于手征su（3）夸克集团模型的yn相互作用位，计算了轻∧超核5∧he，4∧he和4∧h的能谱。

The measured data have indicated that the performance index of the YN soil nutrient tester achieves and has surpassed the national related standards . Its precision satisfies the request of quantitative testing soil and applying fertilizer in the rural area .

实测数据表明YN型土壤肥料养分测试仪性能指标达到和超过了国家有关标准，其精度满足农村定量测土施肥的要求。

Thus , the experimental data of hypernuclei can provide more information as the constraints of model . In the present stage , YN interaction ( no matter phenomenology of theoretical interaction ) cannot be finalized due to lack of experimental data .

这表明超核的实验数据可以提供更多的信息来进一步约束YN相互作用，以弥补YN散射实验数据的不足。

It is necessary for railway transport enterprises to adopt CI strategy to create a distinctive enterprise image and win yn the competition . 4 stages including suggesting a plan , investigation & research , design and implementation should be experienced during implementing the strategy .

铁路运输企业要想塑造鲜明的企业形象，在竞争中取胜，必须导入CI策略，其实施途径可分为：提案阶段、调研阶段、设计阶段和实施阶段。

Introduces the check circuit , matters needing attention , devices and procedure of single-phase check method of potential transformer for on-site check . The method can be used to check both V , v connection potential transformer and YN , yn connection potential transformer .

介绍了电压互感器V，v接线和YN，yn接线时，电压互感器现场校验的单相校验法校验线路、校验时的注意事项、使用设备和校验步骤。

There are defects existed in traction power supply system based on transformer decussating two YN , d connection such as complicated connections , low availability of transformer capacity , and neutral section insulator needed in every supply sector which are not suitable for high speed railway .

2台YN，d接线变压器十字交叉构成的AT牵引供电系统，接线复杂，变压器容量利用率低，相邻供电区段必需用分相绝缘器分断，不利于高速铁路运行。

YN Mining Corporation is a company which undertakes the development strategy of the Parent Company JM and is charged with the mission for its becoming larger and stronger . It is newly established mining and coal company which is based on the comprehensive utilization of coal .

YN矿业公司是一个肩负着母公司JM集团公司发展战略和自身做大做强的历史使命，立足于煤炭开采和综合利用而新成立的的煤炭企业。