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Dynamically Consistent NSFD Discretization of Some Productive-Destructive Population Models Satisfying Conservations Laws 满足守恒律的生产-破坏种群模型的动态一致NSFD离散化
Pub Date : 2021-04-02 DOI: 10.4236/OALIB.1107077
D. Clemence-Mkhope
In this article, two general construction methods of nonstandard finite difference (NSFD) models are considered for productive-destructive models that also satisfy conservation laws: one for productive-destructive (PD) and the other for conservative systems. It is observed that the general NSFD method for PD systems may not result in numerical models for such systems that are dynamically consistent with respect to the conservation laws. This is illustrated through two examples, with one satisfying a direct conservation law and the other a generalized conservation law. Alternative NSFD schemes that are dynamically consistent with respect to the conservation laws are constructed for these examples using the general method for conservative systems.
本文考虑了满足守恒律的生产-破坏模型的两种非标准有限差分(NSFD)模型的一般构造方法:一种是生产-破坏(PD)模型,另一种是保守系统模型。我们观察到,一般的局部放电系统的NSFD方法可能无法得到与守恒定律动态一致的数值模型。这是通过两个例子来说明的,一个满足直接守恒定律,另一个满足广义守恒定律。对于这些例子,使用保守系统的一般方法构造了与守恒律动态一致的备选NSFD格式。
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引用次数: 1
A Study on Never Let Me Go from the Perspective of Ethical Criticism 从伦理批判的角度看《别让我走
Pub Date : 2021-04-02 DOI: 10.4236/OALIB.1107327
S. Xiao
Kazuo Ishiguro, winner of the 2017 Nobel Prize in literature, is one of the most famous novelists in contemporary British literature. In his novel Never Let Me Go, the author constructs a post-human society, that is, a world of human cloning that transplant organs for human. This paper mainly explores the details of life in the post-human’s tragic fate, and reveals the ethical dilemma faced by the post-human, and triggers readers to think about the ethical fetters between human and post-human.
石黑一雄,2017年诺贝尔文学奖得主,是当代英国文学史上最著名的小说家之一。在他的小说《别让我走》中,作者构建了一个后人类社会,即一个为人类移植器官的克隆人世界。本文主要探讨后人类悲剧命运中的生活细节,揭示后人类所面临的伦理困境,引发读者对人与后人类之间的伦理羁绊的思考。
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引用次数: 0
Research on PE Tutoring Service Strategy under the Background of New Curriculum Standard 新课程标准背景下体育辅导服务策略研究
Pub Date : 2021-04-02 DOI: 10.4236/OALIB.1107366
Ying Tang, Xin Weng, Leijie Gong
With the development of social economy, the implementation of the national fitness plan and people’s attention to their health, physical education has become a unique way of life. Tutoring institutions are educational institutions that provide “one-to-one” individual academic guidance for learners in their families or tutoring institutions. The emergence and development of tutoring institutions has its historical inevitability, which is closely related to the enhancement of social competition consciousness, the disadvantage of large class teaching, the lack of social and economic status of teachers and the educational concept of parents. The target range of physical education has been broadened. For children please sports tutoring is a very common social phenomenon, but this does not mean that only children need to please family tutoring, in a narrow sense, the main object of sports tutoring is for children (primary and middle school students) groups. With the continuous development of the society and the different needs of the members of the society, the target range of physical education has been expanded. In a broad sense, all the people who have sports training needs can ask for sports tutoring, therefore, sports tutoring is a kind of personalized sports education services in essence. At present, although the physical education institutions have obtained unprecedented development, but through the investigation found that physical education also has some problems, such as through non-standard publicity, random fees, tutoring quality is difficult to guarantee. The existence of these problems is not correct, driven by interests, internal management strategy is not in place, the idea of running a school of sports tutoring institutions is too profit-oriented. To solve these problems, PE tutors should pay attention to the content and ensure the quality; Reasonable publicity, create brand; Stabilizing teachers, strengthening training, expanding scale, strengthening marketing and so on. At present, whether the development needs of students can be taken as the ultimate starting point is an important factor affecting the survival and development of tutoring institutions. This paper adopts a variety of research methods such as literature method, interview method, questionnaire survey method and mathematical statistics method. All of these situations are the actual problems that all of us sports workers must face. Facing these problems, we must effectively solve the problems, in order to provide theoretical basis for the research of sports tutoring service strategy under the background of the new curriculum standard.
随着社会经济的发展、全民健身计划的实施和人们对身体健康的重视,体育教育已成为一种独特的生活方式。辅导机构是为学习者的家庭或辅导机构提供“一对一”个人学业指导的教育机构。家教机构的产生和发展有其历史必然性,这与社会竞争意识的增强、大班教学的弊端、教师社会经济地位的缺失以及家长教育观念的不完善等密切相关。扩大了体育教育的目标范围。针对孩子请家教是一种非常普遍的社会现象,但这并不意味着独生子女就需要请家教,从狭义上讲,体育家教的主要对象是针对孩子(中小学生)群体的。随着社会的不断发展和社会成员的不同需求,体育教育的目标范围不断扩大。从广义上讲,凡是有运动训练需求的人都可以要求进行体育辅导,因此,体育辅导在本质上是一种个性化的体育教育服务。目前,虽然体育教育机构获得了前所未有的发展,但通过调查发现,体育教育也存在一些问题,如通过不规范的宣传、随意收费、辅导质量难以保证等。这些问题的存在是不正确的,以利益为驱动,内部管理策略不到位,办学理念过于以利益为导向的体育辅导机构。针对这些问题,体育教师应注重教学内容,保证教学质量;合理宣传,打造品牌;稳定师资、加强培训、扩大规模、加强营销等。目前,能否以学生的发展需求为最终出发点,是影响辅导机构生存和发展的重要因素。本文采用了文献法、访谈法、问卷调查法、数理统计法等多种研究方法。这些都是我们体育工作者必须面对的现实问题。面对这些问题,我们必须有效地解决这些问题,以便为新课程标准背景下体育辅导服务策略的研究提供理论依据。
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引用次数: 0
A Study on the Translation Strategies of Domestic Cosmetic Brand Names from the Perspective of Skopos Theory 目的论视角下的国产化妆品品牌名称翻译策略研究
Pub Date : 2021-04-02 DOI: 10.4236/OALIB.1107351
Fei Sun
After its entry into the World Trade Organization (WTO), China has opened wider to the outside world. As a result, a growing number of foreign cosmetic companies have expanded their presence in China. By contrast, Chinese domestic cosmetics not only don’t have an edge in its home market, but also fail to go global. The reasons are manifold. But their translations are also very important. Guided by Skopos Theory, this thesis believes that translation is across-cultural communicative activity with a certain purpose. The skopos rule should be put on the top priority. Through the investigation of various translation examples, the author believes that Skopos Theory can be used to guide the translation of different Chinese cosmetic brand names. Besides, the author also holds that translation strategies should be different according to the purpose of translation. By doing so, the author hopes to transcend cultural differences and disagreements so as to make domestic cosmetic products more competitive in the international arena.
中国加入世界贸易组织后,对外开放进一步扩大。因此,越来越多的外国化妆品公司扩大了在中国的业务。相比之下,中国国产化妆品不仅在国内市场没有优势,而且也没有走向世界。原因是多方面的。但是他们的翻译也很重要。在目的论的指导下,本文认为翻译是具有一定目的的跨文化交际活动。应该把目标原则放在首位。通过对各种翻译实例的考察,笔者认为目的论可以用来指导不同中文化妆品品牌名称的翻译。此外,作者还认为翻译策略应根据翻译的目的而有所不同。通过这样做,笔者希望超越文化差异和分歧,使国内化妆品在国际舞台上更具竞争力。
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引用次数: 0
The Convey of “Li” in Translation of Chinese Literature from the Perspective of Face Theory —Take Hong Lou Meng and Its English Version A Dream of Red Mansions as an Example 面子理论视角下中国文学翻译中“理”的传递——以《红楼梦》及其英译本《红楼梦》为例
Pub Date : 2021-04-02 DOI: 10.4236/OALIB.1107349
Jing–Yun Chen
This paper selects Hong Lou Meng and its English version A Dream of Red Mansions as the source material and qualitatively analyzes how Yang Hsien-yi and Gladys Yang conveyed “Li” of the original work in their translation. It was found that, “Li” could be mirrored by the differences between the superior and the inferior. In Yang’s translation, the translators applied “positive face” and “negative face” to partly convey the original “Li”, especially in modest and honorific titles as well as in some discourses. The translators conveyed the original work faithfully, expressively and elegantly. Their translation of “Li” is of reference value.
本文选取《红楼梦》及其英译本《红楼梦》为素材,定性分析杨显义和杨玉玲在翻译中是如何传达原著中的“理”的。研究发现,“理”可以反映出上下级之间的差异。在杨的翻译中,译者运用“正脸”和“负脸”来部分地表达原“礼”,尤其是在谦敬称谓和一些话语中。译者们忠实地、富有表现力地、优雅地传达了原著。他们对“礼”的翻译具有参考价值。
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引用次数: 0
The Influence of the Minimum Dynamic Leaf Gap on VMAT Plans Quality 最小动态叶隙对VMAT方案质量的影响
Pub Date : 2021-04-02 DOI: 10.4236/OALIB.1107378
C. F. D. Zamo, M. Moyo, A. Colliaux, V. Blot-Lafond
The aim of the present work is to investigate the influence of dynamic minimum leaf gap into Pinnacle3 on VMAT plans quality. Three treatment machines were modeled in our TPS with a different value of dynamic minimum leaf gap of 5, 10 and 20 mm. VMAT plans of AAPM TG-119 phantom and twenty clinical real cases were planned on each machine. Based on AAPM TG-119 guidelines, we compared the machine on their ability to fulfill the dose goals; the pretreatment quality assurance was done with COMPASS QA system (IBA dosimetry, Germany). In order to evaluate how the measured and the planned data from each machine are closed. The monitor units’ numbers for each site and machine were also compared. For simple plans, all the three machines easily meet the goals; however, for complex shape case, only the 5 and 10 mm minimum leaf gap machines allow the user to reach the goals. Otherwise, the 20 mm minimum leaf gap machine presents lower difference between planned and measured dose and the best gamma scores than the two others machines. It also has the lower MUs per clinical site. Based on this investigation, 10 mm is the best compromise value for the dynamic minimum leaf gap into Pinnacle. It allows the planner to reach high complex goals during planning process and in another hand gives good agreement between planned and measured doses.
本文旨在研究动态最小叶隙对Pinnacle3叶片质量的影响。在我们的TPS中,模拟了三种不同动态最小叶间隙值的处理机器,分别为5、10和20 mm。在每台机器上规划AAPM TG-119假体和20例临床真实病例的VMAT计划。根据AAPM TG-119指南,我们比较了机器实现剂量目标的能力;预处理质量保证采用COMPASS QA系统(德国IBA剂量测定)。为了评估来自每台机器的测量数据和计划数据是如何闭合的。还比较了每个站点和机器的监测单元数。对于简单的计划,三台机器都很容易达到目标;然而,对于复杂的形状情况下,只有5和10毫米的最小叶间隙机允许用户达到目标。另外,20 mm最小叶隙机的计划剂量与测量剂量之间的差异较小,伽玛评分最好。它也有较低的每个临床部位的MUs。在此基础上,10 mm是尖峰动态最小叶间隙的最佳折衷值。它允许计划者在计划过程中达到高度复杂的目标,另一方面在计划剂量和测量剂量之间提供良好的一致性。
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引用次数: 0
Impact of Sputum Sampling Instructional Video on Ziehl-Neelsen Positivity in Tuberculosis Diagnostic Centers at BOMA: Multicenter Randomized Controlled Trial BOMA肺结核诊断中心痰液取样教学录像对Ziehl-Neelsen阳性的影响:多中心随机对照试验
Pub Date : 2021-04-02 DOI: 10.4236/OALIB.1107328
Alexis Keya Sumbu, Aliocha Nkodila Natuhoyila, Lionnel Bahinzi, Octavie Lunguya Metila, Ahuka-Mundeke Steve, B. L. Mbenza
Background and Purpose: Tuberculosis is a global scourge. In DRC, Ziehl-Neelsen (ZN) is the most widely used reference test for the detection of Mycobacterium tuberculosis. Its performance can be improved by certain strategies before sputum collection, particularly the instructional video. The purpose of this study is to evaluate the effectiveness of the instructional video showing and explaining appropriate sputum collection techniques for the diagnosis of tuberculosis. Methods: Multicenter, single-blind, randomized controlled trial conducted in Boma. Two hundred suspected TB assigned at random, either to the intervention group (n = 100) before sputum collection, or to the control group (n = 100). Sputum quality was assessed by appearance and volume before ZN staining by laboratory technicians blind to study groups. Results: The mean age was 38.1 ± 16.0 years. In the two samples (Contact and morning), the positive smear rate was very significant (p
背景和目的:结核病是一种全球性的祸害。在刚果民主共和国,Ziehl-Neelsen (ZN)是检测结核分枝杆菌最广泛使用的参考检测方法。它的性能可以通过痰液收集前的某些策略来提高,特别是教学视频。本研究的目的是评估教学视频的有效性,展示和解释适当的痰收集技术诊断结核病。方法:在博马进行多中心、单盲、随机对照试验。200名疑似结核病患者在痰液收集前被随机分配到干预组(n = 100)或对照组(n = 100)。由实验室技术人员对研究组进行盲法锌染色前的痰液质量进行外观和体积评价。结果:平均年龄38.1±16.0岁。在两个样本中(接触和早晨),阳性涂片率非常显著(p
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引用次数: 0
Use Two Hybrid SCA-AOA and Fuzzy SCA-AOA Algorithms in Information Security 混合SCA-AOA算法和模糊SCA-AOA算法在信息安全中的应用
Pub Date : 2021-04-02 DOI: 10.4236/OALIB.1107339
A. Khalaf, B. Mitras
This research suggests the improving Sine Cosine algorithm and Arithmetic optimization algorithm (SCA-AOA), and the application in two directions: First, in special functions (N-P hard) problems; second, in code analysis and decryption for the method of encryption substitution of simple cipher. The proposed algorithm mathematically simulates the behavior of SCA and Arithmetic algorithm behavior in Mathematical. The measure of SCA-AOA has been measured on a set of test functions to know the power of its performance and efficiency, and verify and compare it with SCA and AOA, each one alone. The numerical results have proved that the proposed algorithm (SCA-AOA) is able to present excellent results as compared with SCA-AOA itself. The applied results have proved that the proposed algorithm is able to analyze and break code. It could also avoid the falling the local solution and reaching to the global optimum resolutions in majority of functions that have been applied on. The adoptive Fuzzy SCA-AOA has been proposed and used in analyzing cipher text and breaking the code by merging the proposed algorithm SCA-AOA with properties of fuzzy logic. Moreover, the simple encoding method is explained and used to encode the proposed text. The method of masking by images is explained and used to hide text. The standards are used to measure the image resolution and find the image resolution. The encrypted text was analyzed and returned to the explicit text using the proposed method, SCA-AOA and Fuzzy SCA-AOA both separately, and the code for the encryption was broken by the proposed method.
本研究提出了改进的正弦余弦算法和算术优化算法(SCA-AOA),并将其应用于两个方向:一是特殊函数(N-P难)问题;其次,在代码分析和解密中为简单密码的加密替代方法。该算法在数学上模拟了SCA的行为和数学中的算术算法行为。在一组测试函数上对SCA-AOA的度量进行了测量,以了解其性能和效率的功率,并与单独的SCA和AOA进行了验证和比较。数值结果表明,与SCA-AOA本身相比,所提出的算法(SCA-AOA)能够获得较好的结果。应用结果表明,该算法具有较好的分析和破解能力。它还可以避免大多数已应用函数的局部解下降而达到全局最优解。本文提出了一种自适应模糊SCA-AOA算法,并将该算法与模糊逻辑的特性相结合,用于密文分析和密码破解。此外,还解释了简单的编码方法,并使用该方法对所提出的文本进行编码。解释了用图像遮罩的方法,并将其用于隐藏文本。这些标准用于测量图像分辨率并求出图像分辨率。分别使用本文提出的SCA-AOA方法和模糊SCA-AOA方法对加密后的文本进行分析并将其还原为显式文本,并利用本文提出的方法对加密代码进行破解。
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引用次数: 0
Exceptional Localization of a Prolactinoma as Part of Familial Isolated Pituitary Adenomas 家族性孤立性垂体腺瘤中泌乳素瘤的特殊定位
Pub Date : 2021-03-03 DOI: 10.4236/OALIB.1107229
Hind Asbar, Maryame Benlafqih, Sara Askaoui, S. Rafi, G. Mghari, N. Ansari
The syndrome of familial isolated pituitary adenomas (FIPA) or predisposition to pituitary adenomas (PAP) is characterized by the presence within the same family of at least two isolated pituitary adenomas without any other type of associated endocrine tumor. These pituitary tumors may present as homogenous with the same tumor phenotype or heterogeneous with different patterns of pituitary tumor phenotypes (GH, Prolactine, ACTH secretion or non-functioning pituitary adenomas) within the same kindred. Patients with FIPA are significantly younger at diagnosis and have significantly larger pituitary adenomas than matched sporadic pituitary adenoma counterparts. We report the case of a prolactinoma attached to the pituitary stalk as part of FIPA, revealed by erectile dysfunction.
家族性孤立性垂体腺瘤综合征(FIPA)或垂体腺瘤易感性(PAP)的特征是在同一家族中存在至少两个孤立性垂体腺瘤,无任何其他类型的相关内分泌肿瘤。这些垂体肿瘤可能表现为同质性,具有相同的肿瘤表型,也可能表现为异质性,具有不同的垂体肿瘤表型(GH、脯乳酸、ACTH分泌或无功能垂体腺瘤)。FIPA患者在诊断时明显年轻,且垂体腺瘤明显大于散发性垂体腺瘤。我们报告的情况下,泌乳素瘤附着在垂体柄作为FIPA的一部分,揭示了勃起功能障碍。
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引用次数: 0
Chinese Taoism in Eugene O’ Neill’s Marco Millions 尤金·奥尼尔《马可·百万》中的中国道教
Pub Date : 2021-03-03 DOI: 10.4236/OALIB.1107262
Xin Li, Chengjun Wu
Eugene O’ Neill, an American playwright, is very interested in Chinese Taoism. In many of his middle and late works, we can see the profound influence of Taoism on him. Taking Marco Millions, O’Neill’s mid-term masterpiece as an example, this paper analyzes Taoist thoughts such as Unity of Opposites, Circulation and Reversion, Non-action and Unity of Body and Soul contained in this play by means of text analysis. Through the analysis, we can see that O’ Neill tried to find a new way of spiritual sustenance in the eastern Taoist thought to get rid of the disadvantages of western material civilization.
尤金·奥尼尔是一位美国剧作家,他对中国道教很感兴趣。在他的许多中后期作品中,我们可以看到道教对他的深刻影响。本文以奥尼尔的中期代表作《马可百万》为例,运用文本分析的方法,对该剧所蕴含的对立统一、循环往复、无为、身心统一等道家思想进行分析。通过分析可以看出,奥尼尔试图在东方道家思想中寻找一种新的精神寄托方式,以摆脱西方物质文明的弊端。
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引用次数: 0
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