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2025年01月07日，旅游作为重要的消费产业，一方面拉动目的地景区、餐饮、住宿、零售等行业增长。另一方面，旅游业的复苏，也可以带动景区、酒店、度假区等项目的投资和当地餐饮娱乐等存量资源的综合利用，有助于拉动社会整体消费。 中国旅游研究院院长戴斌表示，今年“五一”假期的旅游市场呈现出四个明显的特征。
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测别谤耻《虫颈测辞耻箩颈》濒颈诲别迟颈补苍迟颈苍驳蝉丑别苍驳箩颈苍驳。驳补苍箩颈苍产辞诲补濒颈补辞120诲颈补苍丑耻补。
另(尝颈苍驳)外(奥补颈)，深(厂丑别苍)交(闯颈补辞)所(厂耻辞)要(驰补辞)求(蚕颈耻)说(厂丑耻辞)明(惭颈苍驳)本(叠别苍)次(颁颈)方(贵补苍驳)案(础苍)的(顿别)具(闯耻)体(罢颈)制(窜丑颈)定(顿颈苍驳)过(骋耻辞)程(颁丑别苍驳)，包(叠补辞)括(碍耻辞)利(尝颈)润(搁耻苍)分(贵别苍)配(笔别颈)方(贵补苍驳)案(础苍)的(顿别)提(罢颈)议(驰颈)人(搁别苍)、参(颁补苍)与(驰耻)筹(颁丑辞耻)划(贬耻补)人(搁别苍)、内(狈别颈)部(叠耻)审(厂丑别苍)议(驰颈)程(颁丑别苍驳)序(齿耻)、保(叠补辞)密(惭颈)情(蚕颈苍驳)况(碍耻补苍驳)等(顿别苍驳)；说(厂丑耻辞)明(惭颈苍驳)本(叠别苍)次(颁颈)方(贵补苍驳)案(础苍)的(顿别)提(罢颈)议(驰颈)股(骋耻)东(顿辞苍驳)和(贬别)公(骋辞苍驳)司(厂颈)控(碍辞苍驳)股(骋耻)股(骋耻)东(顿辞苍驳)及(闯颈)其(蚕颈)一(驰颈)致(窜丑颈)行(齿颈苍驳)动(顿辞苍驳)人(搁别苍)、董(顿辞苍驳)事(厂丑颈)、监(闯颈补苍)事(厂丑颈)、高(骋补辞)级(闯颈)管(骋耻补苍)理(尝颈)人(搁别苍)员(驰耻补苍)以(驰颈)及(闯颈)其(蚕颈)他(罢补)内(狈别颈)幕(惭耻)信(齿颈苍)息(齿颈)知(窜丑颈)情(蚕颈苍驳)人(搁别苍)及(闯颈)其(蚕颈)近(闯颈苍)亲(蚕颈苍)属(厂丑耻)在(窜补颈)本(叠别苍)次(颁颈)利(尝颈)润(搁耻苍)分(贵别苍)配(笔别颈)方(贵补苍驳)案(础苍)披(笔颈)露(尝耻)前(蚕颈补苍)叁(厂补苍)个(骋别)月(驰耻别)内(狈别颈)买(惭补颈)卖(惭补颈)公(骋辞苍驳)司(厂颈)股(骋耻)票(笔颈补辞)情(蚕颈苍驳)况(碍耻补苍驳)，以(驰颈)及(闯颈)自(窜颈)本(叠别苍)次(颁颈)利(尝颈)润(搁耻苍)分(贵别苍)配(笔别颈)方(贵补苍驳)案(础苍)披(笔颈)露(尝耻)之(窜丑颈)日(搁颈)起(蚕颈)六(尝颈耻)个(骋别)月(驰耻别)内(狈别颈)是(厂丑颈)否(贵辞耻)存(颁耻苍)在(窜补颈)减(闯颈补苍)持(颁丑颈)计(闯颈)划(贬耻补)，若(搁耻辞)是(厂丑颈)，则(窜别)详(齿颈补苍驳)细(齿颈)披(笔颈)露(尝耻)。
disandaiSportage（zhipao）shangshihoudahuochenggong，cong2010niandeguoiFshejijiang，daomeiguoGood Design Award，zaidao2011nianhongdianshejijiang，quanqiusandashejidajiangquanbushourunangzhong。qiyapinpaiyeyoucizuoshenshijieyixianpinpai。jinjishike，tamenchushouliao！
《科(Ke)学(Xue)》（20221223出(Chu)版(Ban)）一(Yi)周(Zhou)论(Lun)文(Wen)导(Dao)读(Du)2022-12-25 20:04·科(Ke)学(Xue)网(Wang)编(Bian)译(Yi) | 李(Li)言(Yan)Science, 23 DEC 2022, Volume 378 Issue 6626《科(Ke)学(Xue)》2022年(Nian)12月(Yue)23日(Ri)，第(Di)378卷(Juan)，6626期(Qi)材(Cai)料(Liao)科(Ke)学(Xue)Materials ScienceThree-dimensional nanofabrication via ultrafast laser patterning and kinetically regulated material assembly基(Ji)于(Yu)超(Chao)快(Kuai)激(Ji)光(Guang)图(Tu)案(An)和(He)动(Dong)态(Tai)调(Diao)节(Jie)材(Cai)料(Liao)组(Zu)装(Zhuang)的(De)3D纳(Na)米(Mi)制(Zhi)造(Zao)▲ 作(Zuo)者(Zhe)：FEI HAN, SONGYUN GU, ALEKS KLIMAS et al.▲ 链(Lian)接(Jie)：https://www.science.org/doi/10.1126/science.abm8420▲ 摘(Zhai)要(Yao)：我(Wo)们(Men)提(Ti)出(Chu)了(Liao)一(Yi)种(Zhong)使(Shi)用(Yong)多(Duo)种(Zhong)材(Cai)料(Liao)制(Zhi)造(Zao)任(Ren)意(Yi)3D纳(Na)米(Mi)结(Jie)构(Gou)的(De)方(Fang)法(Fa)，材(Cai)料(Liao)包(Bao)括(Kuo)金(Jin)属(Shu)、金(Jin)属(Shu)合(He)金(Jin)、2D材(Cai)料(Liao)、氧(Yang)化(Hua)物(Wu)、金(Jin)刚(Gang)石(Shi)、上(Shang)转(Zhuan)换(Huan)材(Cai)料(Liao)、半(Ban)导(Dao)体(Ti)、聚(Ju)合(He)物(Wu)、生(Sheng)物(Wu)材(Cai)料(Liao)、分(Fen)子(Zi)晶(Jing)体(Ti)和(He)墨(Mo)水(Shui)。具(Ju)体(Ti)来(Lai)说(Shuo)，我(Wo)们(Men)将(Jiang)由(You)飞(Fei)秒(Miao)激(Ji)光(Guang)制(Zhi)作(Zuo)的(De)水(Shui)凝(Ning)胶(Jiao)用(Yong)作(Zuo)模(Mo)板(Ban)，直(Zhi)接(Jie)组(Zu)装(Zhuang)材(Cai)料(Liao)去(Qu)形(Xing)成(Cheng)设(She)计(Ji)好(Hao)的(De)纳(Na)米(Mi)结(Jie)构(Gou)。通(Tong)过(Guo)曝(Pu)光(Guang)策(Ce)略(Lue)和(He)图(Tu)形(Xing)凝(Ning)胶(Jiao)特(Te)征(Zheng)的(De)精(Jing)细(Xi)调(Diao)整(Zheng)，我(Wo)们(Men)制(Zhi)作(Zuo)了(Liao)20及(Ji)200纳(Na)米(Mi)分(Fen)辨(Bian)率(Lv)下(Xia)的(De)2D和(He)3D纳(Na)米(Mi)结(Jie)构(Gou)。我(Wo)们(Men)制(Zhi)作(Zuo)了(Liao)包(Bao)括(Kuo)加(Jia)密(Mi)光(Guang)学(Xue)存(Cun)储(Chu)和(He)微(Wei)电(Dian)极(Ji)在(Zai)内(Nei)的(De)纳(Na)米(Mi)设(She)备(Bei)，以(Yi)演(Yan)示(Shi)这(Zhe)些(Xie)设(She)备(Bei)的(De)设(She)计(Ji)的(De)功(Gong)能(Neng)和(He)精(Jing)度(Du)。这(Zhe)些(Xie)结(Jie)果(Guo)表(Biao)明(Ming)，我(Wo)们(Men)的(De)方(Fang)法(Fa)为(Wei)不(Bu)同(Tong)种(Zhong)类(Lei)的(De)材(Cai)料(Liao)的(De)纳(Na)米(Mi)制(Zhi)造(Zao)提(Ti)供(Gong)了(Liao)一(Yi)个(Ge)系(Xi)统(Tong)的(De)解(Jie)决(Jue)方(Fang)案(An)，并(Bing)为(Wei)智(Zhi)能(Neng)纳(Na)米(Mi)设(She)备(Bei)的(De)设(She)计(Ji)带(Dai)来(Lai)了(Liao)进(Jin)一(Yi)步(Bu)的(De)可(Ke)能(Neng)性(Xing)。▲ Abstract：We present a strategy for fabricating arbitrary 3D nanostructures with a library of materials including metals, metal alloys, 2D materials, oxides, diamond, upconversion materials, semiconductors, polymers, biomaterials, molecular crystals, and inks. Specifically, hydrogels patterned by femtosecond light sheets are used as templates that allow for direct assembly of materials to form designed nanostructures. By fine-tuning the exposure strategy and features of the patterned gel, 2D and 3D structures of 20- to 200-nm resolution are realized. We fabricated nanodevices, including encrypted optical storage and microelectrodes, to demonstrate their designed functionality and precision. These results show that our method provides a systematic solution for nanofabrication across different classes of materials and opens up further possibilities for the design of sophisticated nanodevicesCompositional texture engineering for highly stable wide-bandgap perovskite solar cells高(Gao)稳(Wen)定(Ding)宽(Kuan)带(Dai)隙(Xi)钙(Gai)钛(Zuo)太(Tai)阳(Yang)能(Neng)电(Dian)池(Chi)的(De)组(Zu)成(Cheng)结(Jie)构(Gou)设(She)计(Ji)▲ 作(Zuo)者(Zhe)：QI JIANG, JINHUI TONG, REBECCA A. SCHEIDT et al.▲ 链(Lian)接(Jie)：https://www.science.org/doi/10.1126/science.adf0194▲ 摘(Zhai)要(Yao)：我(Wo)们(Men)通(Tong)过(Guo)将(Jiang)快(Kuai)速(Su)溴(Zuo)结(Jie)晶(Jing)与(Yu)温(Wen)和(He)的(De)气(Qi)淬(Cui)方(Fang)法(Fa)相(Xiang)结(Jie)合(He)，制(Zhi)备(Bei)了(Liao)缺(Que)陷(Xian)密(Mi)度(Du)更(Geng)低(Di)的(De)、高(Gao)纹(Wen)理(Li)柱(Zhu)状(Zhuang)1.75 eV 溴(Zuo)-碘(Dian)混(Hun)合(He)宽(Kuan)禁(Jin)带(Dai)钙(Gai)钛(Zuo)矿(Kuang)薄(Bao)膜(Mo)。通(Tong)过(Guo)这(Zhe)种(Zhong)方(Fang)法(Fa)，我(Wo)们(Men)获(Huo)得(De)了(Liao)1.75 eV的(De)宽(Kuan)禁(Jin)带(Dai)钙(Gai)钛(Zuo)矿(Kuang)太(Tai)阳(Yang)能(Neng)电(Dian)池(Chi)，其(Qi)功(Gong)率(Lv)转(Zhuan)换(Huan)效(Xiao)率(Lv)大(Da)于(Yu)20%，开(Kai)路(Lu)电(Dian)压(Ya)约(Yue)为(Wei)1.33 V，且(Qie)具(Ju)有(You)良(Liang)好(Hao)的(De)运(Yun)行(Xing)稳(Wen)定(Ding)性(Xing)。当(Dang)进(Jin)一(Yi)步(Bu)与(Yu)1.25 eV窄(Zhai)带(Dai)隙(Xi)钙(Gai)钛(Zuo)矿(Kuang)太(Tai)阳(Yang)能(Neng)电(Dian)池(Chi)集(Ji)成(Cheng)时(Shi)，我(Wo)们(Men)获(Huo)得(De)了(Liao)27.1%的(De)高(Gao)效(Xiao)全(Quan)钙(Gai)钛(Zuo)矿(Kuang)双(Shuang)端(Duan)串(Chuan)联(Lian)设(She)备(Bei)，开(Kai)路(Lu)电(Dian)压(Ya)高(Gao)达(Da)2.2 V。▲ Abstract：We combined the rapid Br crystallization with a gentle gas-quench method to prepare highly textured columnar 1.75–electron volt Br–I mixed WBG perovskite films with reduced defect density. With this approach, we obtained 1.75–electron volt WBG PSCs with greater than 20% power conversion efficiency, approximately 1.33-volt open-circuit voltage (Voc), and excellent operational stability (less than 5% degradation over 1100 hours of operation under 1.2 sun at 65°C). When further integrated with 1.25–electron volt narrow-bandgap PSC, we obtained a 27.1% efficient, all-perovskite, two-terminal tandem device with a high Voc of 2.2 volts.物(Wu)理(Li)学(Xue)PhysicsIonocaloric refrigeration cycle离(Li)子(Zi)热(Re)制(Zhi)冷(Leng)循(Xun)环(Huan)▲ 作(Zuo)者(Zhe)：DREW LILLEY AND RAVI PRASHER▲ 链(Lian)接(Jie)：https://www.science.org/doi/10.1126/science.ade1696▲ 摘(Zhai)要(Yao)：我(Wo)们(Men)提(Ti)出(Chu)，使(Shi)用(Yong)离(Li)子(Zi)热(Re)效(Xiao)应(Ying)和(He)伴(Ban)随(Sui)而(Er)来(Lai)的(De)热(Re)力(Li)学(Xue)循(Xun)环(Huan)，作(Zuo)为(Wei)一(Yi)种(Zhong)基(Ji)于(Yu)热(Re)量(Liang)的(De)全(Quan)冷(Leng)凝(Ning)相(Xiang)冷(Leng)却(Que)技(Ji)术(Shu)。理(Li)论(Lun)和(He)实(Shi)验(Yan)结(Jie)果(Guo)表(Biao)明(Ming)，在(Zai)低(Di)应(Ying)用(Yong)场(Chang)强(Qiang)作(Zuo)用(Yong)下(Xia)，与(Yu)其(Qi)他(Ta)热(Re)效(Xiao)应(Ying)相(Xiang)比(Bi)，这(Zhe)一(Yi)效(Xiao)应(Ying)具(Ju)有(You)更(Geng)高(Gao)的(De)绝(Jue)热(Re)温(Wen)度(Du)变(Bian)化(Hua)和(He)熵(Zuo)变(Bian)。我(Wo)们(Men)证(Zheng)实(Shi)了(Liao)一(Yi)个(Ge)使(Shi)用(Yong)离(Li)子(Zi)热(Re)斯(Si)特(Te)林(Lin)制(Zhi)冷(Leng)循(Xun)环(Huan)的(De)实(Shi)用(Yong)系(Xi)统(Tong)的(De)可(Ke)能(Neng)性(Xing)。我(Wo)们(Men)的(De)实(Shi)验(Yan)结(Jie)果(Guo)展(Zhan)示(Shi)了(Liao)相(Xiang)对(Dui)于(Yu)卡(Ka)诺(Nuo)的(De)性(Xing)能(Neng)系(Xi)数(Shu)为(Wei)30%，以(Yi)及(Ji)在(Zai)~0.22伏(Fu)的(De)电(Dian)压(Ya)强(Qiang)度(Du)下(Xia)温(Wen)度(Du)可(Ke)提(Ti)升(Sheng)25度(Du)。▲ Abstract：We propose using the ionocaloric effect and the accompanying thermodynamic cycle as a caloric-based, all–condensed-phase cooling technology. Theoretical and experimental results show higher adiabatic temperature change and entropy change per unit mass and volume compared with other caloric effects under low applied field strengths. We demonstrated the viability of a practical system using an ionocaloric Stirling refrigeration cycle. Our experimental results show a coefficient of performance of 30% relative to Carnot and a temperature lift as high as 25°C using a voltage strength of ~0.22 volts.High-entropy mechanism to boost ionic conductivity促(Cu)进(Jin)离(Li)子(Zi)电(Dian)导(Dao)性(Xing)的(De)高(Gao)熵(Zuo)机(Ji)制(Zhi)▲ 作(Zuo)者(Zhe)：YAN ZENG, BIN OUYANG, JUE LIU et al.▲ 链(Lian)接(Jie)：https://www.science.org/doi/10.1126/science.abq1346▲ 摘(Zhai)要(Yao)：我(Wo)们(Men)证(Zheng)明(Ming)了(Liao)高(Gao)熵(Zuo)金(Jin)属(Shu)阳(Yang)离(Li)子(Zi)混(Hun)合(He)物(Wu)提(Ti)高(Gao)化(Hua)合(He)物(Wu)中(Zhong)离(Li)子(Zi)电(Dian)导(Dao)性(Xing)的(De)能(Neng)力(Li)，这(Zhe)一(Yi)特(Te)性(Xing)可(Ke)以(Yi)减(Jian)少(Shao)对(Dui)特(Te)定(Ding)化(Hua)学(Xue)物(Wu)质(Zhi)的(De)依(Yi)赖(Lai)同(Tong)时(Shi)增(Zeng)强(Qiang)合(He)成(Cheng)能(Neng)力(Li)。引(Yin)入(Ru)高(Gao)熵(Zuo)材(Cai)料(Liao)的(De)局(Ju)部(Bu)畸(Ji)变(Bian)导(Dao)致(Zhi)碱(Jian)离(Li)子(Zi)的(De)位(Wei)置(Zhi)能(Neng)量(Liang)分(Fen)布(Bu)重(Zhong)叠(Die)，使(Shi)得(De)碱(Jian)离(Li)子(Zi)能(Neng)以(Yi)较(Jiao)低(Di)的(De)活(Huo)化(Hua)能(Neng)进(Jin)行(Xing)渗(Shen)透(Tou)。实(Shi)验(Yan)证(Zheng)明(Ming)，高(Gao)熵(Zuo)导(Dao)致(Zhi)了(Liao)锂(Zuo)-钠(Na)超(Chao)离(Li)子(Zi)导(Dao)体(Ti)、钠(Na)超(Chao)离(Li)子(Zi)导(Dao)体(Ti)和(He)锂(Zuo)-石(Shi)榴(Liu)石(Shi)结(Jie)构(Gou)的(De)离(Li)子(Zi)电(Dian)导(Dao)性(Xing)达(Da)到(Dao)更(Geng)高(Gao)数(Shu)量(Liang)级(Ji)，即(Ji)使(Shi)在(Zai)碱(Jian)含(Han)量(Liang)固(Gu)定(Ding)的(De)情(Qing)况(Kuang)下(Xia)也(Ye)是(Shi)如(Ru)此(Ci)。▲ Abstract：We demonstrate the ability of high-entropy metal cation mixes to improve ionic conductivity in a compound, which leads to less reliance on specific chemistries and enhanced synthesizability. The local distortions introduced into high-entropy materials give rise to an overlapping distribution of site energies for the alkali ions so that they can percolate with low activation energy. Experiments verify that high entropy leads to orders-of-magnitude higher ionic conductivities in lithium (Li)–sodium (Na) superionic conductor (Li-NASICON), sodium NASICON (Na-NASICON), and Li-garnet structures, even at fixed alkali content.Nanoscale covariance magnetometry with diamond quantum sensors金(Jin)刚(Gang)石(Shi)量(Liang)子(Zi)传(Chuan)感(Gan)器(Qi)的(De)纳(Na)米(Mi)尺(Chi)度(Du)协(Xie)方(Fang)差(Cha)磁(Ci)力(Li)测(Ce)定(Ding)▲ 作(Zuo)者(Zhe)：JARED ROVNY, ZHIYANG YUAN, MATTIAS FITZPATRICK et al.▲ 链(Lian)接(Jie)：https://www.science.org/doi/10.1126/science.ade9858▲ 摘(Zhai)要(Yao)：在(Zai)此(Ci)，我(Wo)们(Men)提(Ti)出(Chu)并(Bing)实(Shi)现(Xian)了(Liao)一(Yi)种(Zhong)可(Ke)以(Yi)同(Tong)时(Shi)测(Ce)量(Liang)两(Liang)个(Ge)或(Huo)多(Duo)个(Ge)氮(Dan)空(Kong)位(Wei)（NV）中(Zhong)心(Xin)的(De)传(Chuan)感(Gan)方(Fang)式(Shi)。同(Tong)时(Shi)，我(Wo)们(Men)从(Cong)它(Ta)们(Men)的(De)信(Xin)号(Hao)中(Zhong)提(Ti)取(Qu)出(Chu)了(Liao)其(Qi)他(Ta)方(Fang)式(Shi)无(Wu)法(Fa)获(Huo)得(De)的(De)时(Shi)间(Jian)和(He)空(Kong)间(Jian)相(Xiang)关(Guan)性(Xing)。我(Wo)们(Men)使(Shi)用(Yong)两(Liang)个(Ge)NV中(Zhong)心(Xin)的(De)自(Zi)旋(Xuan)-电(Dian)荷(He)读(Du)数(Shu)演(Yan)示(Shi)了(Liao)如(Ru)何(He)测(Ce)量(Liang)相(Xiang)关(Guan)应(Ying)用(Yong)噪(Zao)音(Yin)，并(Bing)实(Shi)现(Xian)了(Liao)可(Ke)消(Xiao)除(Chu)局(Ju)部(Bu)和(He)非(Fei)局(Ju)部(Bu)噪(Zao)声(Sheng)音(Yin)源(Yuan)的(De)光(Guang)谱(Pu)重(Zhong)建(Jian)方(Fang)法(Fa)。▲ Abstract：Here, we propose and implement a sensing modality whereby two or more NV centers are measured simultaneously, and we extract temporal and spatial correlations in their signals that would otherwise be inaccessible. We demonstrate measurements of correlated applied noise using spin-to-charge readout of two NV centers and implement a spectral reconstruction protocol for disentangling local and nonlocal noise sources.生(Sheng)物(Wu)学(Xue)BiologyGlassfrogs conceal blood in their liver to maintain transparency玻(Bo)璃(Li)蛙(Wa)通(Tong)过(Guo)血(Xue)液(Ye)隐(Yin)藏(Cang)在(Zai)肝(Gan)脏(Zang)中(Zhong)以(Yi)保(Bao)持(Chi)透(Tou)明(Ming)▲ 作(Zuo)者(Zhe)：CARLOS TABOADA, JESSE DELIA, MAOMAO CHEN et al.▲ 链(Lian)接(Jie)：https://www.science.org/doi/10.1126/science.abl6620▲ 摘(Zhai)要(Yao)：动(Dong)物(Wu)的(De)透(Tou)明(Ming)化(Hua)是(Shi)一(Yi)种(Zhong)复(Fu)杂(Za)的(De)伪(Wei)装(Zhuang)形(Xing)式(Shi)，涉(She)及(Ji)到(Dao)减(Jian)少(Shao)光(Guang)在(Zai)整(Zheng)个(Ge)生(Sheng)物(Wu)体(Ti)中(Zhong)的(De)散(San)射(She)和(He)吸(Xi)收(Shou)的(De)机(Ji)制(Zhi)。因(Yin)为(Wei)脊(Ji)椎(Zhui)动(Dong)物(Wu)的(De)循(Xun)环(Huan)系(Xi)统(Tong)中(Zhong)充(Chong)满(Man)了(Liao)可(Ke)以(Yi)强(Qiang)烈(Lie)衰(Shuai)减(Jian)光(Guang)线(Xian)的(De)红(Hong)细(Xi)胞(Bao)（RBCs），实(Shi)现(Xian)身(Shen)体(Ti)透(Tou)明(Ming)化(Hua)是(Shi)很(Hen)难(Nan)的(De)。在(Zai)此(Ci)，我(Wo)们(Men)记(Ji)录(Lu)了(Liao)玻(Bo)璃(Li)蛙(Wa)是(Shi)如(Ru)何(He)通(Tong)过(Guo)隐(Yin)藏(Cang)这(Zhe)些(Xie)细(Xi)胞(Bao)从(Cong)而(Er)克(Ke)服(Fu)这(Zhe)一(Yi)挑(Tiao)战(Zhan)的(De)。通(Tong)过(Guo)使(Shi)用(Yong)光(Guang)声(Sheng)成(Cheng)像(Xiang)来(Lai)跟(Gen)踪(Zong)体(Ti)内(Nei)的(De)红(Hong)细(Xi)胞(Bao)，我(Wo)们(Men)展(Zhan)示(Shi)了(Liao)睡(Shui)眠(Mian)时(Shi)的(De)玻(Bo)璃(Li)蛙(Wa)是(Shi)如(Ru)何(He)通(Tong)过(Guo)从(Cong)体(Ti)内(Nei)循(Xun)环(Huan)中(Zhong)转(Zhuan)移(Yi)89%的(De)红(Hong)细(Xi)胞(Bao)并(Bing)将(Jiang)它(Ta)们(Men)包(Bao)装(Zhuang)在(Zai)肝(Gan)脏(Zang)中(Zhong)，将(Jiang)身(Shen)体(Ti)透(Tou)明(Ming)度(Du)提(Ti)高(Gao)2到(Dao)3倍(Bei)。因(Yin)此(Ci)，脊(Ji)椎(Zhui)动(Dong)物(Wu)的(De)透(Tou)明(Ming)化(Hua)既(Ji)需(Xu)要(Yao)透(Tou)明(Ming)的(De)组(Zu)织(Zhi)，也(Ye)需(Xu)要(Yao)能(Neng)从(Cong)这(Zhe)些(Xie)组(Zu)织(Zhi)中(Zhong)“清(Qing)除(Chu)”呼(Hu)吸(Xi)色(Se)素(Su)的(De)活(Huo)性(Xing)机(Ji)制(Zhi)。此(Ci)外(Wai)，玻(Bo)璃(Li)蛙(Wa)在(Zai)不(Bu)产(Chan)生(Sheng)凝(Ning)血(Xue)的(De)情(Qing)况(Kuang)下(Xia)也(Ye)能(Neng)调(Diao)节(Jie)红(Hong)细(Xi)胞(Bao)的(De)位(Wei)置(Zhi)、密(Mi)度(Du)和(He)储(Chu)存(Cun)的(De)能(Neng)力(Li)，为(Wei)代(Dai)谢(Xie)、血(Xue)液(Ye)动(Dong)力(Li)学(Xue)和(He)血(Xue)凝(Ning)块(Kuai)研(Yan)究(Jiu)提(Ti)供(Gong)了(Liao)思(Si)路(Lu)。▲ Abstract：Transparency in animals is a complex form of camouflage involving mechanisms that reduce light scattering and absorption throughout the organism. In vertebrates, attaining transparency is difficult because their circulatory system is full of red blood cells (RBCs) that strongly attenuate light. Here, we document how glassfrogs overcome this challenge by concealing these cells from view. Using photoacoustic imaging to track RBCs in vivo, we show that resting glassfrogs increase transparency two- to threefold by removing ~89% of their RBCs from circulation and packing them within their liver. Vertebrate transparency thus requires both see-through tissues and active mechanisms that “clear” respiratory pigments from these tissues. Furthermore, glassfrogs’ ability to regulate the location, density, and packing of RBCs without clotting offers insight in metabolic, hemodynamic, and blood-clot research.
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盘面上上海国企改革概念股集体走强复旦复华、上海物贸、开开实业、交运股份等涨停