103,035 research outputs found
香港中文大學圖書館中國古籍庫
No full text框29.2x18.7公分, 9行22字, 白口, 四周雙邊, 單黑魚尾, 版心上鐫書名, 中鐫卷次, 下鐫"前山敘倫堂".綫裝, 1函.書名據總目卷端.是書為光緖10年(1884)石印本的底本.本書為"香山徐氏宗譜"之一種.Kuang 29.2 x 18.7 gong fen, 9 hang 22 zi, bai kou, si zhou shuang bian, dan hei yu wei, ban xin shang juan shu ming, zhong juan juan ci, xia juan"Qian shan xu lun tang".Xian zhuang, 1 han.Shu ming ju zong mu juan duan.Shi shu wei Guangxu 10 nian (1884) shi yin ben de di ben.Ben shu wei "Xiangshan Xu shi zong pu" zhi yi zhong
Ben jing xu shu yao
No full text[V.1-6]. 本經疏證 -- [v.7-9]. 本經續疏 -- [v.9-12]. 本經序疏要.[V.1-6]. Ben jing shu zheng -- [v.7-9]. Ben jing xu shu -- [v.9-12]. Ben jing xu shu yao.鄒澍學 ; 常州常年醫局校栞. 本經續疏 : 六卷 / 鄒澍學 ; 胡杰校栞. 本經序疏要 : 八卷 / 鄒澍學 ; 許恩溥校栞.綫裝 .框16.3x12.7公分, 11行22字, 小字雙行同. 白口, 左右雙邊, 單黑魚尾. 版心上鐫題名, 中鐫卷次, 下鐫葉次.第一冊書名頁刻"鄒閏安先生本經疏證十二卷續疏六卷本經序疏要八卷" ; 又有紅色戳記"常州麟玉山房發兌"《本經序疏要》卷八末刻"常郡韓文煥齋鐫". 並有湯用中道光己酉[1849]跋.《中國中醫古籍總目》(02456)著錄.鈐"莊兆祥印", "莊兆祥".Xian zhuang .Kuang 16.3 x 12.7 gong fen, 11 hang 22 zi, xiao zi shuang hang tong. Bai kou, zuo you shuang bian, dan hei yu wei. Ban xin shang juan ti ming, zhong juan juan ci, xia juan ye ci.Detailed notes in vernacular field only.Detailed notes in vernacular field only.Detailed notes in vernacular field only.Zou Shu xue ; Changzhou Chang nian yi ju jiao kan. Ben jing xu shu : liu juan / Zou Shu xue ; Hu Jie jiao kan. Ben jing xu shu yao : ba juan / Zou Shu xue ; Xu Enpu jiao kan.Qian "Zhuang Zhaoxiang yin", "Zhuang Zhaoxiang"
First year report_Honglin Xu
No full textThese videos are contraction function analysis of cardiac organoids. Cardiac organoids of 2500 μm diameter exhibiting spontaneous contraction(Myvideo_0). Transient calcium flux of cardiac organoids using 4 X (Myvideo_1) and 20 X (Myvideo_2) microscope
Methane Activation by Transition-Metal Oxides, MOx (M=Cr, Mo, W; x=1,2,3)
No full textRecent experiments on the dehydrogenation-aromatization of methane (DHAM) to form benzene using a MoO3/HZSM-5 catalyst stimulated us to examine methane activation by the transition-metal oxide molecules, MOx (M = Cr, Mo, W; x = 1, 2, 3). The present studies use hybrid density functional theory (B3LYP). The reactivity trend is rationalized in terms of changes in the electrophilicity of MO,, the strength of the M-O pi bond, and the bonding properties of MQ(x) to methyl or hydrogen as M and x are varied, It is found that or-bond metathesis to the metal hydride product (H-MOx-1-OCH3) occurs preferentially over the high oxidation state form (MO3) of the heavier metals, as well as all chromium oxides (CrOx). Instead, oxidative addition of MOx leading to methyl metal hydride (H-M(O-x)-CH3) is more favorable over the low oxidation state of MOx (M = Mo, W, x = 2, 1). In particular, it is found that WO2 can undergo oxidative addition with negligible activation barrier and is predicted to be the most reactive compound of this class toward methane activation. Our finding that MO2 (M = W, Mo) is the best oxidation state for this class of metal oxides toward methane activation suggests that the MO3/HZSM-5 catalysts active in the DHAM reaction may be W and Mo oxycarbides (MO2C2). The formation of such intermediates may be the reason that the experiments find an induction period before the catalyst is active for the desired reaction
Anteon longum Xu, Olmi & He 2011
No full text29. Anteon longum Xu, Olmi & He, 2011 * Anteon longum Xu, Olmi & He 2011 b: 234. Material examined. Holotype of A. longum: Ƥ, China, Guangdong, Nanling National Nature Reserve, 4– 5.X. 2004, Zaifu Xu coll. [SCAU]. Hosts. Unknown. Distribution. Oriental. China: Guangdong (Xu et al. 2011 b).Published as part of Xu, Zaifu, Olmi, Massimo, Guglielmino, Adalgisa & Chen, Huayan, 2012, Checklist of Dryinidae (Hymenoptera) from Guangdong Province, China, with descriptions of two new species, pp. 1-28 in Zootaxa 3231 on page 9, DOI: 10.5281/zenodo.21313
Neodryinus grandis Xu, Olmi & He 2011
No full text63. Neodryinus grandis Xu, Olmi & He, 2011 * Neodryinus grandis Xu, Olmi & He 2011 a: 8. Material examined. Holotype of N. grandis: Ƥ, China, Guangdong, Nanling National Nature Reserve, 16.X. 2007, Zaifu Xu coll. [SCAU]. Hosts. Unknown. Distribution. Oriental. China: Guangdong (Xu et al. 2011 a).Published as part of Xu, Zaifu, Olmi, Massimo, Guglielmino, Adalgisa & Chen, Huayan, 2012, Checklist of Dryinidae (Hymenoptera) from Guangdong Province, China, with descriptions of two new species, pp. 1-28 in Zootaxa 3231 on page 20, DOI: 10.5281/zenodo.21313
Aphelopus spadiceus Xu & He
No full text<i>Aphelopus spadiceus</i> Xu & He, in Xu, He & Yao 1997: 8. <p> <b>Material examined.</b> Holotype of <i>A. spadiceus</i>: 3, China, Guizhou, Fanjingshan National Nature Reserve, 12.VII.1993, Songlin Yao coll. [ZJUC]. Paratype: 1 3, same locality as holotype, 14.VII.1993, Xuexin Chen coll. [ZJUC]. Guangdong: Nanling National Nature Reserve, 1–6.X.2004, Zaifu Xu coll., 1 Ƥ [SCAU].</p> <p> <b>Hosts</b>. Unknown.</p> <p> <b>Distribution.</b> Oriental. China: Guizhou (Xu <i>et al.</i> 1997; He & Xu 2002), Guangdong (new record); Thailand (Olmi 2010).</p>Published as part of <i>Xu, Zaifu, Olmi, Massimo, Guglielmino, Adalgisa & Chen, Huayan, 2012, Checklist of Dryinidae (Hymenoptera) from Guangdong Province, China, with descriptions of two new species, pp. 1-28 in Zootaxa 3231</i> on page 3, DOI: <a href="http://zenodo.org/record/213133">10.5281/zenodo.213133</a>
The Effect of Microstructure on the Abrasion Resistance of Low Alloyed Steels
No full textThe thesis attempts to develop advanced high abrasion resistant steels with low hardness in combination with good toughness, processability and low alloying additions. For this purpose, a novel multi-pass dual-indenter (MPDI) scratch test approach has been developed to approach the real continuous abrasion process and unravel abrasion damage formation in construction steels, i.e. carrying out scratch tests using a large indenter with different pre-loads to generate a wide pre-scratch with stable saturated work hardening and then a small indenter sliding over the pre-scratch to evaluate the abrasion resistance and observe the failure mechanism. With this approach, an extensive experimental investigation has been conducted to study the correlation of abrasion resistance and microstructural features (phase volume fraction, morphology, grain size, etc.) so as to understand the response of microstructures on abrasive wear, and eventually provide the knowledge to guide the design of high abrasion resistant steel. A promising type of microstructure with high abrasion resistance but low hardness has been proposed. In addition, a two-stage tensile strain hardening model was applied to interpret the scratch resistance under different pre-load conditions and resulting failure mechanisms. The strength coefficient K in the Hollomon equation (?=K?^n) in this model corresponds well with that of scratch resistance.Aerospace Structures and MaterialsAerospace Engineerin
Rhytidhysteron subrufulum X. - L. Xu & C. - L. Yang, sp. nov.
No full text<i>Rhytidhysteron subrufulum</i> X.-L. Xu & C.-L. Yang, sp. nov. (Fig. 5) <p> HOLOTYPE. — <b>China</b>. Sichuan Province, Chengdu City, Wenjiang District, 30°42’18.89”N, 103°51’30.42”E, alt. 545 m, on dead twigs of <i>Osmanthus fragrans</i> (Thunb.) Loureiro (Oleaceae), 12.X.2019, collected by C.-L.Yang, <i>YCL201910001</i> (holo-, SICAU 19-0010), ex-type living culture (SICAUCC 19-0011).</p> <p> ETYMOLOGY. — The specific epithet refers to the allied species of <i>R. rufulum</i>.</p> <p>INDEX FUNGORUM. — IF557216.</p> <p> ADDITIONAL SPECIMENS EXAMINED. — <b>China</b>. Sichuan Province, Zizhong County, 29°46’28.29”N, 104°49’19.66”E, alt. 316 m, on dead twigs of <i>Citrus reticulata</i> Blanco (Rutaceae), 8.III.2019, collected by X.-L. Xu & C.-L. Yang, <i>YCL201903011</i> (SICAU 19-0009), living culture (SICAUCC 19-0010); 29°46’22.97”N, 104°49’12.20”E, alt. 303 m, on dead twigs of <i>Broussonetia papyrifera</i> (Linnaeus) L’Heritier ex Ventenat (Moraceae), 19.X.2019, collected by X.-L. Xu and C.-L. Yang, <i>XXL201910004</i> (SICAU 20-0003), living culture (SICAUCC 20-0003); Chongzhou City, 30°33’25.37”N, 103°39’30.67”E, alt. 511 m, on dead twigs of <i>Robinia pseudoacacia</i> L. (Fabaceae), 29.XI.2019, collected by C.-L. Yang, <i>XXL201911012</i> (SICAU 20-0006), living culture (SICAUCC 20-0006); on dead twigs of <i>Carya illinoinensis</i> (Wangenheim) K. Koch (Juglandaceae), 18.IX.2020, collected by X.-L. Xu, <i>XXL202009001</i> (SICAU 20- 0011), living culture (SICAUCC 20-0011); Chengdu City, Wenjiang District, 30°42’18.89”N, 103°51’30.42”E, alt. 545 m, on dead wood of <i>Chimonanthus praecox</i> (L.) Link (Calycanthaceae), 6.XI.2020, collected by X.-L. Xu, <i>XXL202011001</i> (SICAU 22-0001), living culture (SICAUCC 22-0001).</p> <p> ADDITIONAL GENBANK NUMBER. — SICAUCC 19-0011: <i>tub</i> 2, MT075597; <i>rpb</i> 2, MT027614. SICAUCC 19-0010: <i>tub</i> 2, MT075596; <i>rpb</i> 2, MT027613. SICAUCC 20-0003: <i>tub</i> 2, MT075588; <i>rpb</i> 2, MT075604. SICAUCC 20-0006: <i>tub</i> 2, MT075591; <i>rpb</i> 2, MT075607. SICAUCC 20-0011: <i>tub</i> 2, MW219742; <i>rpb</i> 2, MW219741. SICAUCC 22-0001: <i>tub</i> 2, OM371084; <i>rpb</i> 2, OM371083.</p> DESCRIPTION <p>Saprobic on decaying woody branches and twigs.</p> <i>Sexual morphology</i> <p> Ascomata 900-2870 µm long × 900-1720 wide × 470-660 high (<i>x</i> = 1909 × 1220 × 546 µm, n = 20), apothecioid, carbonaceous, scattered to gregarious, black, labiates and elliptic or irregular in shape, perpendicularly striate along the long axis, reddish brown to black on the disc. Exciple 36-83 µm wide (<i>x =</i> 62, n = 15), two-layered, outer layer comprising thick- walled, brown to hyaline cells of textura angularis and textura globulosa, inner layer comprising thinwalled, light brown to hyaline cells of textura angularis and textura prismatica. Hamathecium composed of 1.6-2.4 µm wide at the base, 2.5-4.0 µm wide at swollen tips (n = 20), dense, septate, pseudoparaphyses, branched and forming brown epithecium above the asci, slightly swollen at the apex, hymenium turns blue in Melzer’s reagent, J +. Asci 183- 214 × 13-20 µm (<i>x</i> = 202 × 16 µm, n = 15), (5-)8-spored, bitunicate, clavate to cylindrical, with short pedicel and apically rounded with an ocular chamber, J- in Melzer’s reagent. Ascospores 29-41 × 10-15 µm (<i>x</i> = 33 × 13 µm, n = 30), ellipsoidal or fusiform, straight or slightly curved, slightly pointed at both ends, partially overlapping, uniseriate, (2-)3-septate, constricted septum, light brown to dark brown, without a mucilaginous sheath.</p> <i>Asexual morphology</i> <p>Undetermined.</p> <i>Culture characteristics</i> <p>Ascospores germinating on PDA within 24 hours and germ tubes produced from any cell. Colonies growing on PDA reach 4 cm diam after five days at 25°C, flat, circular, initially white, gradually becoming yellow to gray.</p> NOTES <p> Morphological comparison shows <i>R. subrufulum</i> X.-L. Xu & C.-L. Yang, sp. nov. with similar perpendicular striations as typical <i>R. rufulum</i> and <i>R. esperanzae</i>. But the exciple of <i>R. subrufulum</i> X.-L. Xu & C.-L. Yang, sp. nov. (36-83 µm) is thinner than <i>R. rufulum</i> (75-228 µm) and <i>R. esperanzae</i> (60-220 µm), and the asci are wider than <i>R. rufulum</i> (16 µm vs 13.5 µm), and shorter than <i>R. esperanzae</i> (183-214 µm vs 250-270 µm). Furthermore, the asci are (5-)8-spored in <i>R. subrufulum</i> X.-L. Xu & C.-L. Yang, sp. nov., 8-spored in <i>R. rufulum</i> and undescribed in <i>R. esperanzae</i>. And ascospores of <i>R. subrufulum</i> X.-L. Xu & C.-L. Yang, sp. nov. are larger than <i>R. rufulum</i>, but smaller than <i>R. esperanzae</i> (33 × 13 µm vs 31 × 11 µm vs 45 <i>×</i> 17 µm) (Thambugala <i>et al</i>. 2016; Cobos-Villagrán <i>et al</i>. 2021). It is worth mentioning that the specimen SICAU 19-0009 had a large number of fusiform and 1-septate ascospores obviously pointed at both ends, but those ascospores did not germinate at room temperature for a week. The LSU and SSU DNA sequences between <i>R. subrufulum</i> X.-L. Xu & C.-L. Yang, sp. nov. (SICAUCC 19-0011) and <i>R. rufulum</i> (MFLUCC 14-0577, MFLUCC 12-0013) are almost identical, but there are sufficient basepair differences in <i>tef-</i> 1 <i>α</i> (1.66 %, MFLUCC 14-0577) (no data, MFLUCC 12-0013) and ITS (1.47 %, MFLUCC 14-0577) (1.52 %, MFLUCC 12-0013) gene. In the comparison of <i>tef-</i> 1 <i>α</i> sequence, it shows 1.68 % differences between <i>R. subrufulum</i> X.-L. Xu & C.-L. Yang, sp. nov. and <i>R. esperanzae</i>, whereas no data on ITS sequence. With these morphological and DNA sequence differences, this species is identified as a new species named <i>R. subrufulum</i> X.-L. Xu & C.-L. Yang, sp. nov. A table summarizing major morphological differences among <i>Rhytidhysteron</i> species is shown in Table 2.</p>Published as part of <i>Xu, Xiu-Lan, Xiao, Qian-Gang, Yang, Chun-Lin, Jeewon, Rajesh & Liu, Ying-Gao, 2022, Multigene phylogenetic support for novel Rhytidhysteron Speg. species (Hysteriaceae) from Sichuan Province, China, pp. 63-79 in Cryptogamie, Mycologie 20 (3)</i> on page 72, DOI: 10.5252/cryptogamie-mycologie2022v43a3, <a href="http://zenodo.org/record/7815283">http://zenodo.org/record/7815283</a>
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