A Activity diagram used in UML 6/9 and SysML B Bachman diagram Booch used in software engineering Block diagram Block Definition Diagram BDD used in SysML C Carroll diagram Cartogram Catalytic cycle Chemical equation Curly arrow diagram Category theory diagrams Cause-and-effect diagram Chord diagram Circuit diagram Class diagram from UML 1/9 Collaboration diagram from UML 2.0 Communication diagram from UML 2.0 Commutative diagram Comparison diagram Component diagram from UML 3/9 Composite structure diagram from UML 2.0 Concept map Constellation diagram Context diagram Control flow diagram Contour diagram Cordier diagram Cross functional flowchart D Data model diagram Data flow diagram Data structure diagram Dendrogram Dependency diagram Deployment diagram from UML 9/9 Dot and cross diagram Double bubble map used in education Drakon-chart E Entity-Relationship diagram ERD Event-driven process chain Euler diagram Eye diagram a diagram of a received telecommunications signal Express-G Extended Functional Flow Block Diagram EFFBD F Family tree Feynman diagram Flow chart Flow process chart Flow diagram Fusion diagram Free body diagram G Gantt chart shows the timing of tasks or activities used in project management Grotrian diagram Goodman diagram shows the fatigue data example: for a wind turbine blades H Hasse diagram HIPO diagram I Internal Block Diagram IBD used in SysML IDEF0 IDEF1 entity relations Interaction overview diagram from UML Ishikawa diagram J Jackson diagram K Karnaugh map Kinematic diagram L Ladder diagram Line of balance Link grammar diagram M Martin ERD Message Sequence Chart Mind map used for learning, brainstorming, memory, visual thinking and problem solving Minkowski spacetime diagram Molecular orbital diagram N N2 Nassi Shneiderman diagram or structogram a representation for structured programming Nomogram Network diagram O Object diagram from UML 2/9 Organigram Onion diagram also known as "stacked Venn diagram" P Package diagram from UML 4/9 and SysML Parametric diagram from SysML PERT Petri net shows the structure of a distributed system as a directed bipartite graph with annotations Phylogenetic tree - represents a phylogeny evolutionary relationships among groups of organisms Piping and instrumentation diagram P&ID Phase diagram used to present solid/liquid/gas information Plant Diagram Pressure volume diagram used to analyse engines Pourbaix diagram Process flow diagram or PFD used in chemical engineering Program structure diagram R Radar chart Radial Diagram Requirement Diagram Used in SysML Rich Picture R-diagram Routing diagram S Sankey diagram represents material, energy or cost flows with quantity proportional arrows in a process network. Sentence diagram represents the grammatical structure of a natural language sentence. Sequence diagram from UML 8/9 and SysML SDL/GR diagram Specification and Description Language. SDL is a formal language used in computer science. Smith chart Spider chart Spray diagram SSADM Structured Systems Analysis and Design Methodology used in software engineering Star chart/Celestial sphere State diagram are used for state machines in software engineering from UML 7/9 Swim lane Syntax diagram used in software engineering to represent a context-free grammar Systems Biology Graphical Notation a graphical notation used in diagrams of biochemical and cellular processes studied in Systems biology System context diagram System structure Systematic layout planning T Timing Diagram: Digital Timing Diagram Timing Diagram: UML 2.0 TQM Diagram Treemap U UML diagram Unified Modeling Language used in software engineering Use case diagram from UML 5/9 and SysML V Value Stream Mapping Venn diagram Voronoi diagram W Warnier-Orr Williot diagram Y Yourdon-Coad see Edward Yourdon, used in software engineering
新能源汽车的 EV、HEV、PHEV、REEV、FCEV 各代表什么意思？ 如果让你选，你会选择哪一款？ 我们汽车零距离的听众小李最近遇到了一个问题，他去比亚迪 4S 店选车，销售给他说了一堆字母，他完全听不懂，不知道该怎么选，希望我们能给他科普一下，同时…
你好我们来回复一下这个问题！ 随着新能源汽车越来越被大家接受，车型上面标注也很多，如EV、HEV、PHEV、REEV、FCEV，那他们都有什么区别我们今天来聊聊！ EV,英文全称，Electric Vehicle，是纯电动驱动汽车，是以电机驱动汽车前进。这类汽车有两种供电方式，一种是直接从外部电站供电，另外一种 ...
从价格上说，虽然海狮05 eV只比秦L便宜了2000块，但是秦L只在顶配才有的50W无线快充，前排座椅通风加热等舒适配置海狮05 eV中配就有了，这也就意味着秦L的平均价格会更偏向顶配的13.98万，而海狮05 eV的平均价格基本上就是中配的12.78万，这样一下就拉开了价格差。
EV电动车涵盖了各种带电动特性的汽车。 制造商必须确保电动车符合 CO2 排放法规的要求。 除此之外，他们还需要提高 能效和续航里程。 通常而言，动力传动系统的新技术要历经多个设计周期才能实现盈利。
KJ mol与ev之间如何转化？ 我想利用阿伦纽斯老化模型，里面说活化能的单位为ev，但是我在文献中找到需要老化的材料活化能是91.64kj mol。 请问怎么转化。 显示全部 关注者 10
Bolt EV High Voltage (HV) battery cooling heating — The HV battery on the Bolt EV has an external 2.5 kW heater, external coolant chiller (a mini evaporator connected to the A C system) and internal cooling manifolds, cooling plates and coolant hoses.
题主的问题是实操建模和理论层面的差异，这里需要先明确几个概念。 先说EV（企业价值），狭义上的EV并没有对企业资产进行分类，因此隐含的假设是企业所有的资产都是主营业务相关的核心资产，没有非核心资产。因此使用EV估值的时候需要严格定义， 企业价值指的是企业拥有的核心资产运营所 ...
电子伏特 是能量的单位.缩写eV.代表一个电子（所带电量e = 1.6 * 10^ ( 19) C）在经过1个伏特（volt）的电场加速后所获得的动能. 1 eV（电子伏） = 1.6×10^ 19焦耳 kJ mol是1000焦耳每摩尔，1mol就是一个 阿伏加德罗常数 个粒子NA=6.02*10^23个。 仅仅按你问题，两单位不能直接换算。不过估计你的电子伏对应描述 ...
78.975不是 氦原子 基态能量吧。 如果是，一个无限远电子 (能级无限大，能量为0)，坠落到 氦离子 (缺一个电子)上形成氦原子，会发出能量为78.9EV的光子。这显然是不可能的。 氦谱线 里面也没这个波长。 这个数字好像是一次二次电离能的和，即“total binding energy”。实验得出的。不等同基态能量 ...
EV：电动车，只要有驱动电机，都可以叫电动车。这个是总的后缀，也是总称。 BEV：纯电动车，只能充电。B 就是 battery 电池的意思。补能方式主要是外接充电，也可以换电池。 PHEV：插电混动，插混。能充电、能加油的混动。插混的燃料其实可以不止是汽油。 HEV：一般叫油电混动，油混。不能充电 ...
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