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[期刊论文] 作者：Lu Yan,
来源：北京周报（英文版） 年份：2022
Life is coming full circle for Li Yan, head coach of China\'s national speed skating team.rnIn 1987,...
Exact Boundary Controllability of Weak Solutions for a Kind of First Order Hyperbolic System——the HU
[期刊论文] 作者：Xing LU,Tatsien LI,
来源：数学年刊B辑（英文版） 年份：2022
hyperbolic system were studied by the constructive method in the framework of weak solutions in the work[Lu...
[期刊论文] 作者：杨宇川,阚文涛,杨夏,魏洪源,卓连刚,王静,廖伟,赵鹏,王关全,
来源：同位素 年份：2022
分别具有β-、α、俄歇电子以及内转换电子衰变的放射性核素，在放射性药物研发以及临床评估中得到广泛应用，其中177Lu放射性治疗药物的研究在近年来得到了迅猛的发展，文献报道数量持续增长，177Lu放射性治疗药物引发了放药研究领域的强烈关注...本文对近两年177Lu标记的抗体、多肽、纳米颗粒，以及小分子放射性治疗药物临床前及临床研究最新进展进行综述。其中处于临床前研究的药物通过药物设计增强了靶向性，改进...
[期刊论文] 作者：李铮,侯炜,
来源：环球中医药 年份：2022
目的 探究隐丹参酮对肺鳞癌KAL△LU细胞增殖、凋亡、周期以及干细胞抗原1(stem cell antigen,Sca-1)的影响.方法 复苏KAL△LU细胞,取对数生长期KAL△LU细胞,分成对照组(...DMSO组)与隐丹参酮组(DMSO+隐丹参酮组),调整隐丹参酮终浓度为6.25、12.5、25、50μM,加药24、48、72小时后,采用四甲基偶氮唑蓝法检测隐丹参酮对肺鳞癌KAL△LU细胞增殖的影响....取对数生长期KAL△LU细胞,调整隐丹参酮终浓度为25μM,培养24、48、72小时后收集细胞,分别加入A...
[期刊论文] 作者：麻广宇,巴建涛,彭程,陈英茂,
来源：同位素 年份：2022
神经内分泌肿瘤是一种起源于分布全身的神经内分泌细胞的肿瘤.177 Lu-DOTATATE已被证明可以显著延长患者无进展生存期,在国外得到了广泛的应用.国外对177 Lu-DOTATATE治疗的辐射安全方面已有较多的研究....国内暂无同类产品上市,且无辐射安全方面的研究,缺少相关的国家标准.本文对近年来国外177 Lu-DOTATATE治疗中与辐射安全相关的研究、法规及管理要求等方面资料进行分析和综述,以期为我国177 Lu-DOTATATE...
[期刊论文] 作者：邹龙,王以松,魏昆鹏,彭啟文,王玮,王运乾,
来源：计算机工程与设计 年份：2022
为完成一种植物叶片分割与计数模型LU-ReNet,利用Xception module和CoordConv改进模型编码器,通过改进的ReNet模型并参照Unet模型结构将CNN和RNN结合在一起.在CVPPP...的A1、A2、A3基准数据集上,LU-ReNet模型取得了0.95的平均F1-score、95.54％的平均前景-背景Dice(FBD％)、0.95的平均召回率和1.91的平均计数差分绝对值(|Dic|...
[期刊论文] 作者：周慧丽,吴锋,张志宏,张雁,叶林华,
来源：发光学报 年份：2022
采用CO2激光区熔法制备了Lu2O3:0.5％Er3+/x％Yb3+(x=1,3,5)上转换荧光材料.X射线衍射结果表明,所制备的Lu2 O3:Er3+/Yb3+荧光材料具有纯Lu2 O3晶相.在980...样品发出明亮的上转换荧光.光谱测试结果表明,样品上转换荧光强度和荧光中绿光与红光比例随Yb3+离子浓度改变,当Er3+和Yb3+离子浓度分别为0.5％和3％时,样品上转换荧光强度最强.通过荧光强度比(FIR)技术研究了样品Lu2...
[期刊论文] 作者：Lu Yan,
来源：北京周报（英文版） 年份：2022
At the end of last year, Cui Xiaopan won the outstanding employee award for her performance at China\'s leading real estate developer China Vanke. Since joining the Finance Department of Vanke in February 2021, she has quickly learned how t......
[期刊论文] 作者：Lu Yan,
来源：北京周报（英文版） 年份：2022
Gu Ailing, 18, became China\'s first female gold medalist on snow, performing a pre-viously unseen trick in the freeskibig air competition at the Olympic Winter Games Beijing 2022 on February 8.rn“That was the best moment of my life,” Gu ......
[期刊论文] 作者：Lu Yan,
来源：北京周报（英文版） 年份：2022
With legendary luxuriant black soil, a stretch of farmland in Chenjiadian Village, Jilin Province in northeast China, has been divided into smaller plots, each growing a specific soybean variety....
[期刊论文] 作者：Lu Yan,
来源：北京周报（英文版） 年份：2022
Café owner Liu Houjun gained a little on-line fame with his unique coffee brewing bravura. Formerly the director of a listedcompany, the coffee lover, in his 50s, decided to quit his job and open a coffee shop to develop in-novative blends......
[期刊论文] 作者：Lu Yan,
来源：北京周报（英文版） 年份：2022
Growing up in a small village in Yongjia County, Zhejiang Province, Li Feng has worked his way up from truck driver to purchasing manager at a large hi-tech enterprise in Shanghai. He has now been living and working in the metropolis near h......
[期刊论文] 作者：Lu Yan,
来源：北京周报（英文版） 年份：2022
April 2020 saw the launch of an airlift program carrying medical supplies from China to Mexico, just 39 days after Mexico reported its first confirmed COVID-19 case. Referred to as the air bridge between both countries, the flights became t......
[期刊论文] 作者：Lu Yan,
来源：北京周报（英文版） 年份：2022
A plant protection scientist for nearly four decades,Wang Huasheng has been busy producing technological innovations to overcome farming trials and tribulations....
[期刊论文] 作者：Lu Yan,
来源：北京周报（英文版） 年份：2022
After 19 days of intense competition, the Beijing 2022 Games came to a grand finale in the closing ceremony on February 20 at the National Stadium in the capital of China,also the first-ever city to have hosted both the Summer and Winter Ol......
[期刊论文] 作者：Lu Yan,
来源：北京周报（英文版） 年份：2022
When asked “Where are you from?” Josh Dominick, born in New Mexico and raised in New York, the U.S., prefers to say he comes from Beijing.rnHaving resided in China for more than two decades, Dominick speaks fluent standard Chinese and has......
[期刊论文] 作者：LU YAN,
来源：中国与非洲（英文版） 年份：2022
Gu Ailing, 18, became China\'s first female gold medalist on snow, performing a previously unseen trick in the freeski big air competition at the Beijing 2022 Olympic Winter Games on February 8....
[期刊论文] 作者：Lu Yan,
来源：北京周报（英文版） 年份：2022
Soon after graduation, Wu Mengwei, an electronic and information engineering major, followed his passion and became a writer contributing to online novel websites....
[期刊论文] 作者：Lu Yan,
来源：北京周报（英文版） 年份：2022
This winter will be a memo-rable one for 20-year-old ski aficionado Wan Ailin. After several rounds of interviews, she was selected as a volunteer in the awards ceremony etiquette team for the Olympic and Paralympic team Winter Games Beijin......
[期刊论文] 作者：Lu Yan,
来源：北京周报（英文版） 年份：2022
At a press conference on March 29, Liu Renyuan, Deputy Secretary General of the municipal government of Changchun, capital of Jilin Province, expressed apologies for the grocery shortages related to lockdowns, and more specifically the clos......
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