Investigation of thermal radiation effect on optical dome of sapphire coated yttrium oxide

比作传统的光屋顶，与电影涂的蓝宝石的屋顶能有效地减少放射率和增加发射度。这个工作的目的是在蓝宝石上调查热放射效果光的与由收音机频率的钇氧化物涂的屋顶磁控管劈啪作响方法。与 Y 2 O 3 电影被数字、试验性的方法学习。结果显示蓝宝石底层的放射率与增加 Y 2 O 3 电影。另外，一个有限元素模型被开发模仿光屋顶的放射紧张。热回答显示最大的温度作为 Y 2 O 3 电影厚度增加。在有时间的不同电影厚度的平均发光分发证明光屋顶推迟的蓝宝石的自我热的放射骚乱 0.93 ? s 什么时候 Y 2 O 3 电影是 200 ? m，它能甚至在严厉环境适当地并且有效地保证屋顶工作。

China macroeconomic report 2020: China’s macroeconomy is on the rebound under the impact of COVID-19

The year 2020 is bound to be a very special year in the history ofChina’s and the world’s economy. The sudden onslaught ofCOVID-19 has taken a heavy toll on China’s macroeconomy andits market participants. Also, the global economic and trade system has tipped into the most severe downturn since World WarII. The macro stimulus policy packages launched by various countries are of an epic scale, in a way rarely seen before. China wasthe first to be hit by the epidemic, to contain the epidemic, andto resume work and production. China’s economic recovery andreconstruction are of landmark and leading significance for theglobal economy. The content of this report mainly includes thefollowing two aspects: one is to forecast the basic trend andrecovery potential of China’s economy under the impact of theepidemic;the other is to provide applicable policy recommendations for post-epidemic economic rehabilitation and its mid- tolong-term development. We focus on four issues: the progressand nature of China’s economic recovery at the current stage;major challenges and risks facing China’s economic recovery inthe next stage;how to design policies of a sizable scale and policy mechanisms to achieve desired effects;and whether the existing policy is sufficient to cope with various risks and challenges,to enhance resilience and re-consolidate economic foundations. Inview of this, the report presents the forecast and prospect ofChina’s core macroeconomic indicators in 2020 and puts forwardpolicy recommendations accordingly.

2018-2019 China macroeconomic report:China’s macroeconomy in the new chapter of reform and opening-up

Since 2016,the scenario of stable macroeconomic performance with good momentum has changed due to shifts in global economic architecture,changes in market sentiment,variations in microeconomic bases and mismatched economic policies.Core macroeconomic indicators demonstrated‘continuous slower growth’as downward pressure continued to increase.The situation illustrates that China’s macroeconomy has neither stabilised nor entered a steady recovery cycle.A short-term policy may fail to stabilise growth and alleviate the continuous downturn pressure which emerged in 2018.Chinese economy needs comprehensive supply-side structural reforms and opening-up.This report shows that China’s internal and external pressures urged wide-range reforms in 2018 and in-depth opening-up in 2019.The year 2019 is crucial for China as it transitions from the dismal‘new normal’phase to a high-quality development mode.

China macroeconomic report 2021:China’s macroeconomy marches towards normalisation

In the year 2021,China’s economy continues to recover and moves towards policy normalisation.This report identifies features indicating the beginning of China’s macroeconomic normalisation,the internal and external pressure it faces,and the supporting policies.Due to the economic recovery and the base effect,China’s real GDP growth rate is projected to reach above 8.0%in 2021,and the quarterly growth rate will drop from 18.3%in Q1 to 5.0%in Q4,showing a declining trend.Based on qualitative assessments and statistical forecasts,this report puts forward some policy suggestions.