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全站仪在岩体边坡控制测量和结构面产状检验中的应用
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作者 刘雄辉 《机械管理开发》 2019年第3期96-98,共3页
针对传统立体模型测量方法效率低下、测量精度受测量人员技术水平影响较大的问题,根据全站仪的工作原理提出了基于全站仪的岩体边坡控制测量和结构面产状检验方法,在对边坡控制测量和结构面产状检验的原理进行分析的基础上,以某典型地... 针对传统立体模型测量方法效率低下、测量精度受测量人员技术水平影响较大的问题,根据全站仪的工作原理提出了基于全站仪的岩体边坡控制测量和结构面产状检验方法,在对边坡控制测量和结构面产状检验的原理进行分析的基础上,以某典型地质条件为例,进行了实地验证。实地测量显示,该方法克服了传统测量方法效率低下、精度差的缺点,极大地提升了地质测量的准确性和测量效率。 展开更多
关键词 全站仪 边坡测量 产状检验
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Development of Alternative to Animal Testing on Cosmetics by Middle-out Strategy
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作者 Shujun Cheng Yu Chen +3 位作者 Yihui Ke Xiaoting Qu Yao Qin Jiating Xu 《China Detergent & Cosmetics》 2016年第4期32-36,共5页
The discussion on cosmetic animal testing ban started since 1990s, with the fnally implementation of full animal testing ban in both research and marketing in EU and Israel in 2013. Now it has been fully or partially ... The discussion on cosmetic animal testing ban started since 1990s, with the fnally implementation of full animal testing ban in both research and marketing in EU and Israel in 2013. Now it has been fully or partially banned by law in 33 countries or regions, with more and more countries lining up to do the same. Beyond animal welfare consideration, the need of mutual acceptance of data (MAD) and harmonization of global market have made non-animal testing an irresistible general trend for worldwide countries to made regulation and policy. Recently, China is in critical crossroad to shift the toxicity paradigm and explore a proper strategy to promote the development of cosmetic non-animal testing. 3R theory has been frstly introduced in Chinese legislation in 2006 that is an important step forward to seriously thinking of animal test. In the following 10 years, the alternative technology in China has been developed dramatically with the implementation of relevant legislations, holding various theoretical and hands-on training, exploration work on methods validation, adoption of internationally recognized methods, propagation of alternative standards and in-depth investigation in in vitro bioscience. The ultimate goal of alternative technology is the regulatory application, thus demands infrastructure constructing, technology capability building and national standard forming. However, concrete works should be carefully planned to facilitate the technology transformation and standardization. This paper will give a retrospective review on the progress in recent years and put forward a middle-out strategy to promote the development of cosmetics alternative in China. 展开更多
关键词 in vitro alternative methods animal testing COSMETICS
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