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2024-11-02 01:03
admin一、naca是什么证书？
美国管理会计师协会(The Institute of Management Accountants，简称IMA)是一家全球领先的国际管理会计师组织，一直致力于支持企业内部的财会专业人士推动企业的整体绩效和表现。IMA成立于1919年，由美国成本会计师协会(NACA)衍生而来，总部设立在美国新泽西州，通过设立在瑞士苏黎世、阿联酋迪拜和中国北京的代表处为会员提供本土化服务。拥有遍布全球265个分会的超过65,000名会员，在中国拥有近7000名会员。
二、NACA翼型坐标的计算公式是什么NACA翼？
NACA的4位数翼型族:这是最早建立的一个低速翼型族。例如，NACA4415翼型，其含义第一位数值4表示最大相对弯度为4%；第二位数4表示最大弯度位于翼弦前缘的40%处；末两位数24表示相对厚度为24%。这一族翼型的中线由前后两段抛物线组成，厚度分布函数由经验的解析公式确定。
三、NACA翼型的几何参数？
NACA四位数翼型：如NACA 2412，其含义第一位数值2表示最大相对弯度为2%；第二位数4表示最大弯度位于翼弦前缘的40%处；末两位数12表示相对厚度为12%。
四为数翼型最大厚度一般在离前缘的30%弦长处，已取得实验数据的有相对厚度为6%、8%、9%、10%、12%、15%、18%、21%、24%，相对弯度为0%、1%、2%三种，中弧线最高点位置均在4%弦长处。四位数对称翼型通常用在尾翼上。五位数翼型：如NACA 23012，表示意义第一位数是机翼的升力系数2×3/20=0.3；30表示最大弯度相对位置的百分数2倍，即最大弯度相对位置在15%弦长处；最后两位数12表示最大相对厚度为12%。四、naca是什么化学名称？
硼酸钠方解石是钠硼解石的别称，也称“硼钠解石”。是一种含水硼酸钙钠矿物。单斜晶系，常呈纤维状、针状集合体产出。无色透明或白色，玻璃丝绢光泽；二轴正晶，折射率1.519~1.505，重折率0.023；无多色性，短波紫外光下有蓝绿色荧光，且大多有磷光。硬度低(晶体一般为1，集合体可具2～2.5的硬度)。相对密度1.65～2.00(大多为1.9～2.0)。
五、naca4415属于低速翼型吗？
确实有NACA4415，平凸翼型没有规定最大厚度是12%，可以到15%甚至更厚 况且NACA4412是中等厚度翼型，NACA4415是厚翼型
六、naca虾青素怎么样？
虾青素服用一个月之后，感觉肌肤的肤质变好了一些，但是美白效果还不明显，不过没有出现任何的内分泌失调等副作用，产品温和成分还是很可以的。
坚持服用了两个月的时间，就明显感觉脸上的暗沉不见了，肌肤透亮了不少，而且眼部的细纹也在消淡，没想到真的还挺有效。
七、如何用ug画naca0015翼型？
您好，以下是在UG中绘制NACA0015翼型的步骤：
1. 打开UG软件，选择新建文件。
2. 在工具栏中选择“曲面”图标，进入曲面绘制模式。
3. 在曲面绘制模式下，选择“翼型”图标，进入翼型绘制模式。
4. 在翼型绘制模式下，选择“NACA”翼型，并输入“0015”作为翼型编号。
5. 在翼型绘制模式下，选择“绘制”图标，绘制出翼型的基本形状。
6. 在翼型绘制模式下，选择“编辑”图标，对翼型进行调整，如改变翼型的厚度、弯曲度等参数。
7. 在翼型绘制模式下，选择“完成”图标，退出翼型绘制模式。
8. 在曲面绘制模式下，选择“拉伸”图标，将翼型拉伸成三维立体形状。
9. 完成翼型的绘制和编辑后，可以进行进一步的操作，如进行网格划分、生成工程图等。
以上是在UG中绘制NACA0015翼型的基本步骤，具体操作可根据需求和熟练程度进行调整。
八、How to Participate in the NACA.com Purchase Program
Introduction to the NACA.com Purchase Program
The NACA.com Purchase Program is a unique opportunity for individuals and families to achieve their dream of homeownership. This program, offered by the Neighborhood Assistance Corporation of America (NACA), provides affordable financing options and personalized counseling to help potential homebuyers navigate the process.
Eligibility Requirements
To participate in the NACA.com Purchase Program, there are certain eligibility requirements that applicants must meet:
- Applicants must be first-time homebuyers or have not owned a home in the last three years.
- Applicants must have stable employment and a good credit history.
- Applicants must be able to contribute towards the down payment and closing costs.
How to Apply
To apply for the NACA.com Purchase Program, follow these steps:
- Attend a NACA homebuyer workshop: Before applying, it is mandatory to attend a NACA homebuyer workshop. These workshops provide valuable information about the program, the homebuying process, and financial management.
- Work with a NACA counselor: After attending the workshop, you will be assigned a NACA counselor who will guide you through the application process. The counselor will help you review your finances, create a budget, and determine your affordability.
- Gather the necessary documents: Your NACA counselor will provide you with a list of required documents, such as proof of income, bank statements, and tax returns. Make sure to gather all the necessary paperwork for your application.
- Submit your application: Once you have attended the workshop, worked with your counselor, and gathered all the required documents, you can submit your application to NACA.com. The application will be thoroughly reviewed, and you will be notified of your eligibility status.
Benefits of the NACA.com Purchase Program
The NACA.com Purchase Program offers several benefits to homebuyers:
- Affordable interest rates: NACA offers below-market interest rates, which can significantly lower your monthly mortgage payments.
- No down payment required: With the NACA.com Purchase Program, you have the option of purchasing a home with no down payment. This allows more individuals and families to become homeowners.
- No closing costs: NACA covers most or all of the closing costs, making homeownership more affordable.
- Credit counseling: NACA provides personalized credit counseling to help improve your credit score and financial situation.
- Mortgage assistance: In the event of financial hardship, NACA offers mortgage assistance programs to help you stay in your home.
Conclusion
The NACA.com Purchase Program is an excellent opportunity for individuals and families to achieve their dream of owning a home. With affordable financing options, personalized counseling, and numerous benefits, NACA makes the homebuying process more accessible and achievable. Take advantage of this program and start your journey towards homeownership today!
Thank you for taking the time to read this article. We hope it has provided you with valuable information about the NACA.com Purchase Program and how you can participate. Whether you are a first-time homebuyer or someone looking to own a home again, NACA is here to help you through the process. Good luck on your journey to homeownership!
九、How Does ZIP Code Affect Maximum Purchase Price According to NACA?
The Neighborhood Assistance Corporation of America (NACA) is a non-profit organization that provides affordable homeownership opportunities to low-to-moderate-income individuals and families. One of the key factors that determine the maximum purchase price eligible for NACA's program is the ZIP code where the property is located.
Understanding NACA's Maximum Purchase Price Calculation
NACA follows a strict formula to determine the maximum purchase price based on the income level and housing market conditions in each ZIP code. This formula takes into account several essential factors, including:
- Income Guidelines: NACA sets income limits for participants, which vary depending on the region and the number of people in the household. The higher the income, the higher the maximum purchase price.
- Local Housing Market Conditions: NACA considers the average home prices, appreciation rates, and other market indicators specific to each ZIP code. This helps ensure that the purchase price is realistic and affordable within the local housing market.
- Comparing the Buyer's Debt-to-Income Ratio: NACA analyzes the buyer's debt-to-income ratio to assess their ability to afford mortgage payments. This ratio includes all monthly debt obligations compared to the buyer's income.
How ZIP Code Affects Maximum Purchase Price
The ZIP code where the property is located has a significant impact on the maximum purchase price established by NACA. Here are some reasons why:
- Regional Differences in Housing Costs: The cost of housing can vary significantly from one ZIP code to another within the same city or region. Factors such as location, amenities, and demand influence housing prices. Therefore, the maximum purchase price will be higher in areas with higher property values.
- Diversity in Local Income Levels: Different ZIP codes can have varying income levels among residents. NACA adjusts the maximum purchase price based on the income guidelines established for each ZIP code. Higher income areas will have a higher maximum purchase price.
- Supply and Demand Dynamics: ZIP codes with high demand and limited housing supply tend to have higher property prices. NACA considers these factors when determining the maximum purchase price, ensuring affordability even in competitive real estate markets.
Applying for NACA's Homeownership Program
If you're interested in participating in NACA's homeownership program, you'll need to follow these steps:
- Attend a NACA Homebuyer Workshop to learn about the program and requirements.
- Obtain pre-approval from NACA to determine your maximum purchase price and mortgage eligibility.
- Work with a NACA-approved real estate agent to find a property that meets your needs and falls within your approved purchase price.
- Submit a purchase offer through NACA and proceed with the necessary paperwork and loan processing.
- Complete NACA's Homebuyer Education Course to prepare for successful homeownership.
- Closing on the property and enjoying the benefits of affordable homeownership with NACA's assistance.
Thank you for taking the time to read about how ZIP codes affect the maximum purchase price in NACA's homeownership program. Understanding these factors can help you navigate the process more effectively and make informed decisions. Good luck on your journey toward affordable homeownership!
十、船舶类期刊推荐？
船舶类期刊主要集中在中国造船学会、地方造船学会、中国船舶集团XX公司、中船XX研究所、XX大学。
英文船舶类sci、ei不熟悉，等大佬回复。
下面基本上包括船舶行业所有核心期刊，不太有影响力的就不放了：
《中国舰船研究》，701所，cscd核心。
《舰船电子工程》，709所，普刊。
《上海船舶运输科学研究所学报》，普刊
《船舶标准化工程师》，中船七院，普刊。
《船舶与海洋工程》，上海造船学会，之前好像叫《上海造船》，普刊。
《船舶设计通讯》，普刊，居然是半年刊，投稿慎重。
《江苏船舶》，江苏造船学会，普刊。
《柴油机》，中船711所，普刊。
《中国造船》，中国造船工程学会，EI核心，国内造船顶刊吧。
《海洋工程装备与技术》，上交，普刊。
《船海工程》，武汉造船学会，核心。
《船舶力学》，中国造船学会，EI核心。
《海洋工程》，中国海洋学会，cscd核心。
《船舶工程》，中船704所，cscd拓展核心，增刊好投。
《舰船科学与技术》，中国舰船研究院，北核，审稿周期两个月左右，中介合作多。
《船舶》，中船708所，不收审稿费及版面费，初审外审2个月左右。
前段时间抽空总结了船舶行业期刊，中文的基本上都是这些了，大家可以参考参考。
https://zhuanlan.zhihu.com/p/335813193强烈建议：
不管是船舶专业学生还是从业者，能自己解决论文的尽量自己解决，找找大学教授老师合作，工作伙伴帮忙等等，办法总是有的。毕竟上知网，出了这么多事情，不怕一万就怕万一，关乎自己前途钱途和命运的事情。而且中介代理核心基本上2w+！个人觉得从金钱和诚信考虑，还是要千万慎重！
（仅供参考，欢迎交流合作~）
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