257,764 research outputs found
A new species of the genus Oxyporus Fabricius (Coleoptera: Staphylinidae: Oxyporinae) in Yunnan, China
No full textLi, Guo-Feng, Wang, Chun-Mei, Li, Hua-Feng, Hou, Yun-Ping (2015): A new species of the genus Oxyporus Fabricius (Coleoptera: Staphylinidae: Oxyporinae) in Yunnan, China. Zootaxa 3986 (5): 591-596, DOI: 10.11646/zootaxa.3986.5.
Ku hai chen guang: she hui lun li wen yi ju pian.
No full text監製胡福源 ; 編劇關文淸 ; 導演胡福源, 關文淸.書名據封面."厚業公司電影事業部出品".Jian zhi Hu Fuyuan ; bian ju Guan Wenqing ; dao yan Hu Fuyuan, Guan Wenqing.Shu ming ju feng mian."Hou ye gong si dian ying shi ye bu chu pin"
Zyras (Diaulaconia) artemis sp. n., a new termitophilous species from Taiwan (Coleoptera: Staphylinidae: Aleocharinae: Lomechusini)
No full textLiang, Wei-Ren, Maruyama, Munetoshi, Li, Hou-Feng (2017): Zyras (Diaulaconia) artemis sp. n., a new termitophilous species from Taiwan (Coleoptera: Staphylinidae: Aleocharinae: Lomechusini). Zootaxa 4341 (4): 528-538, DOI: https://doi.org/10.11646/zootaxa.4341.4.
Hydroxy-terminated polyether binders for composite rocket propellants
No full textPropellants based on cross-linked Hydroxy Terminated PolyEther (HTPE) binders are
being used as alternatives to Hydroxy Terminated PolyButadiene (HTPB) compositions.
HTPE propellants have similar mechanical properties to HTPB propellants but they give
a less severe response in ‘slow cook-off’ tests for IM compliance. A literature review is
presented on the development and properties of HTPE propellants in an attempt to place
them in relation to recent trends in Insensitive Munitions. To gain a better understanding
of the behaviour of HTPE propellants an HTPE pre-polymer and a range of binder
network samples with different NCO/OH equivalence ratios, with and without
plasticizer, have been synthesised and characterised by a range of techniques. The
thermal decomposition of the HTPE binder network and propellant samples were also
studied. Desmodur N-3200 was used as a curing agent and n-BuNENA as an energetic
plasticizer. Similar analyses were performed on analogous HTPB pre-polymer and
binder network samples and the results were compared with those obtained for the
corresponding HTPE samples. Two kinds of HTPE propellant were manufactured
containing HTPE pre-polymer, n-BuNENA, 2NDPA and either AP or AP+PSAN as
oxidiser. Also HTPB propellant was prepared. Small cook-off test vehicles (SCTV)
were filled with HTPE and HTPB propellants and slow cook-off tests were performed.
In contrast to HTPB binders, which become harder during slow heating, it was found
that the HTPE binders soften under the same conditions. This behaviour is possibly due
to chain scission of the soft and hard segments of the HTPE polymer matrix. Thermooxidative
processes and reactions of the energetic plasticizer decomposition products
are believed to be the responsible for the scission of the polymeric matrix. From the
binder characterisation and slow cook-off results it is concluded that there is a relation
between the degree of polymeric matrix scission during slow heating and the violence
of the response at the point of self ignition. This underlies the main difference between
HTPB and HTPE propellants in slow cook-off. While HTPB compositions become
harder and more brittle, HTPE propellants become softer and have a lower surface area
at the self ignition point
Oxyporus (Oxyporus) bingshengae Li, Wang, Li & Hou, 2015, sp. nov.
No full textOxyporus (Oxyporus) bingshengae sp. nov. (Figs. 1 A–D, Figs. 2 A–E) Type material. Holotype: CHINA:Yunnan Prov.: ♂, Mojiang County, Tuan tian village, alt. 1857m, 23 ° 36 ′N, 101 ° 17 ′E, 23–31 -July- 2013, Li Bing-sheng leg. Paratypes: CHINA: Yunnan Prov.: 4 ♂♂, 1 ♀, same data as the Holotype (YFTC). Description. BL: 8.14 mm, FBL: 4.21 mm, ML: 1.54 mm, HL: 1.32 mm, HW: 2.78 mm, TL: 0.81 mm, AL: 2.15 mm, LW: 1.13 mm, PL: 1.83 mm, PW: 2.20 mm, ELL: 2.62 mm, ELW: 3.40 mm, EYL: 0.84 mm. Body moderately stout, surface almost smooth and glossy. Color reddish yellow, with mandibles, abdominal tergites 6 (except lateralapical margins), 7, and 8 (only basal portion) black, anterior 1 / 2 of head bearing a black large suboval marking, anterior 1 / 2 of pronotum bearing a black small suquadrate macula, elytra bearing subtriangular black marking at outer apical angle extending from the posterior 4 / 5 of lateral margin to middle of posterior margin and forming narrow black fascia near posterior margin. (Figs. 1 A–B). Male: Head subquadrate, distinctively wider than long (ratio 2.11), broader than pronotum (ratio 1.26), strongly widened posteriad behind eyes, posterior angles obtuse. Mandibles longer than head (ratio 1.17), moderately broad, inner edges evenly curved to acute apices. Labrum broadly and deeply emarginate at middle. Clypeus broadly and shallowly emarginate at middle. Maxillary palpi with first segment shortest, second longer than third, third slightly wider than last and almost equal in length, and apical segment of labial palpi wider than length of an eye (ratio 1.35). Frons broadly, shallowly bi-impressed between antennal insertions; Antennae distinctively longer than head (ratio 1.63); segments 1–4 elongate, 5–10 transverse, slightly asymmetrical and flattened, apical segment narrower than preceding segment, each segment with long setae near apex, and segments 5–10 glabrous medially and covered with fine setae laterally, the relative length of segments from base to apex as 0.35: 0.13: 0.17: 0.16: 0.15: 0.18: 0.14: 0.15: 0.14: 0.15: 0.20. Eyes large and convex. Vertex nearly smooth, two setiferous punctures near inner margin of eye, one anteriad and one posteriad. Temples slightly shorter than eyes seen from above (ratio 0.96). Pronotum subquadrate, slightly transverse, wider than long (ratio 1.20), shorter (ratio 0.70) and narrower (ratio 0.65) than elytra, lateral margins strongly bisinuate at anterior 1 / 3 and in the middle and subarcuately narrowed posteriad, widest at basal portion; disc almost impunctate, devoid of microsculpture, with 1 deep, transverse depression located in the middle, which is widened to both sides, and additionaly, surface bearing 2 deep, distinct longitudinal depressions in middle just behind the transverse depression, which does not reach to posterior margin, and each lateral side with 2 fovea at anterior 1 / 2 and in the middle; 8 setiferous punctures bearing at anterior margin, 2 ones at posterior margin and 3 ones at each lateral margin. Scutellum impunctate, rounded at apex, surface almost smooth. Elytra wider than long (ratio 1.30), strongly widened apicad; each elytron with 1 row of evenly spaced small punctures along suture, 2 longitudinal rows of coarse variably spaced punctures medially and several, scattered coarse punctures to either side of rows; apical, lateral, and posterior margins bearing a few short setae; humeri produced forward and convex above. Hind Wings developed. Abdomen with tergites 3–4 each with a pair of pruinose spots at middle and tergites 5 with 2 small irregular black spot at middle and left and tergites 3–7 each with 1–2 irregular setiferous punctures along lateral margin; punctation of tergites very sparse and vague, surface between punctures with exceedingly fine and dense microsculpture of transverse striae; posterior margins of sternites 7–8 very slightly and broadly emarginated at middle. (Fig. 1 C) Aedeagus slightly asymmetrical and moderately sclerotized; median lobe somewhat widened apicad, with apical margin rounded, twisted to right; parameres relatively long and slender, gradually narrowed apicad, (Figs. 2 A–C); the left lobe longer than right one, the former with one minute seta and the latter without seta at each apex. (Figs. 2 D–E). Female: Similar to male, but body smaller and color orange yellow; head less transverse; mandibles slightly shorter; posterior margin nearly straight in sternite 7; posterior margin of sternite 8 arcuately produced. (Fig. 1 D) Remarks. Oxyporus bingshengae n. sp. is similar to O. puerius Li from Puer City (Lianhua Village), Yunnan, China, in the color of the body, but can be distinguished from the latter by the following characters (see key below): Anterior 1 / 2 of head bearing a black large suboval marking; abdominal tergites 6 (except lateral-apical margins)black; pronotum lateral margins strongly bisinuate at anterior 1 / 3 and in the middle; elytra bearing subtriangular black marking at outer apical angle extending from the posterior 4 / 5 of lateral margin to middle of posterior margin and forming narrow black fascia near posterior margin; the left lobe longer than right one, the former with one minute seta and the latter without seta at each apex. Etymology. The specific epithet is warmly dedicated to the collector of the type specimen, Bing-Sheng Li, Li’s dear father, to celebrate his coming 72 th birthday. Habitat and distribution. The new species was found in fungi. It is at present only known from the type locality in southwest Yunnan, China. Key to the species of Oxyporus of Yunnan 1 Body entirely black; known from Baoshan ................................................................................... O. femoratus Zheng - Body bicolor................................................................................................................................................................. 2 2 Head black to brownish black....................................................................................................................................... 3 - Head yellow to reddish yellow..................................................................................................................................... 7 3 Maximum length more than 9 mm; known from Lijiang................................................................ O. germanus Sharp - Maximum length no more than 9 mm.......................................................................................................................... 4 4 Abdomen brownish yellow, with two longitudinal black fasciae on tergites 3–7; known from Binchuan.................... ..........................................................................................................................................................bifasciarius Zheng - Abdomen without black longitudinal fasciae............................................................................................................... 5 5 Abdominal tergites 3–4 or 3–5 yellow to reddish yellow; known from Dali .................................... O. riparius Zheng - Abdominal tergites 3–4 or 3–5 black........................................................................................................................... 6 6 Elytra with black area in basal part of suture; pronotal disc bearing 2 vague longitudinal depressiions in middle just behind the transverse depression; know from Lijiang ................................................ O. transversesulcatus Bernhauer - Elytra without black area in basal part of suture, pronotal disc bearing 3 vague longitudinal depressiions in middle just behind the transverse depression; known from Kunming ........................................................... O. kunmingius Li 7 Abdominal segments 3–5 black; known from Lijiang......................................................................... O. yulong Zheng - Abdominal segments 3–5 brownish yellow to reddish yellow..................................................................................... 8 8 Posterior portion of gula and metasternum brownish yellow; known from Puer....................................... O. lii Zheng - Posterior portion of gula and metasternum reddish yellow.......................................................................................... 9 9 Pronotal anterior without macula, disc with 2 deep, transverse depressions before middle; known from Puer............ .................................................................................................................................................................. O. puerius Li - Pronotal anterior 1 / 2 bearing a black small suquadrate macula, disc with 1 deep, transverse depressions before mid- dle; known from Mojiang ................................................................................................... O. bingshengae sp. nov. LiPublished as part of Li, Guo-Feng, Wang, Chun-Mei, Li, Hua-Feng & Hou, Yun-Ping, 2015, A new species of the genus Oxyporus Fabricius (Coleoptera: Staphylinidae: Oxyporinae) in Yunnan, China, pp. 591-596 in Zootaxa 3986 (5) on pages 592-595, DOI: 10.11646/zootaxa.3986.5.7, http://zenodo.org/record/23342
Oxyporus (Oxyporus) kunmingius Li, Wang, Li & Hou, 2015, sp. nov.
No full textOxyporus (Oxyporus) kunmingius sp. nov. (Figs. 1 A–D, Figs. 2 A–E) Type material. Holotype: CHINA:Yunnan Prov.: ♂, Kunming city, Song hua-ba village, alt. 1352m, 25 ° 10 ′N, 102 ° 47 ′E, 12-28 -July- 2014, Li Guo-feng leg. (YFTC). Paratypes: CHINA: Yunnan Prov.: 5 ♂♂, 3 ♀♀, same data as the Holotype (YFTC). Description. BL: 7.74 mm. HL: 1.46 mm, HW: 1.85 mm, TL: 0.68 mm, AL: 1.52 mm, LW: 0.72 mm, PL: 1.30 mm, PW: 1.72 mm, ELL: 1.96 mm, ELW: 2.67 mm, EYL: 0.64 mm. Body moderately stout, surface almost smooth and glossy. Color orange yellow, with mandibles, head, pronotum, scutellum, abdomen (except sides of segments 3–5) black and elytra bearing subtriangular black marking at outer apical angle extending from the posterior 4 / 5 of lateral margin to middle of posterior margin and meeting with each other by narrow black fascia near posterior margin. (Figs. 1 A–B). Male: Head subquadrate, wider than long (ratio 1.27), slightly broader than pronotum (ratio 1.08) and longer than pronotum (ratio 1.12), gently widened posteriad behind eyes, posterior angles obtuse. Mandibles elongate, almost as long as head, moderately broad, inner edges evenly curved to acute apices. Labrum broadly and deeply emarginate at middle. Clypeus broadly and shallowly emarginate at middle. Maxillary palpi with first segment shortest, second longer than third, third slightly wider than last and almost equal in length, and apical segment of labial palpi wider than length of an eye (ratio 1.13). Frons broadly, shallowly tri-impressed between antennal insertions. Antennae slightly longer than head (ratio 1.04); segments 1–4 elongate, 5–10 transverse, slightly asymmetrical and flattened, apical segment narrower than preceding segment, each segment with long setae near apex, and segments 5–10 glabrous medially and covered with fine setae laterally, the relative length of segments from base to apex as 1.90: 0.92: 1.04: 1.02: 0.91: 0.95: 1.03: 0.99: 0.99: 0.97: 1.52. Eyes large and convex. Vertex nearly smooth, two setiferous punctures near inner margin of eye, one anteriad and one posteriad. Temples slightly longer than eyes seen from above (ratio 1.06). Pronotum subhexagonal, slightly transverse, wider than long (ratio 1.32), shorter (ratio 0.66) and narrower (ratio 0.64) than elytra, and arcuate at sides, widest at anterior 1 / 3; disc almost impunctate, devoid of microsculpture, with one transverse depression located just before middle, which is widened to both sides, and additionaly, surface bearing three vague longitudinal depressiions in middle just behind the transverse depression, which does not reach to posterior margin, and each lateral side with a fovea in the middle; 8 setiferous punctures bearing at anterior margin, 3 ones at each lateral margin. Scutellum impunctate, rounded at apex, surface almost smooth. Elytra wider than long (ratio 1.36), slightly widened apicad; each elytron with a row of evenly spaced small punctures along suture, two longitudinal rows of coarse variably spaced punctures medially and several, scattered coarse punctures to either side of rows; lateral and apical margins bearing a few short setae; humeri produced forward and convex above. Hind wings developed. Abdomen gradually narrowed apicad; tergites 3–4 each with a pair of small pruinose spots in the middle and tergites 3–6 each with 1–2 irregular setiferous punctures along lateral margin; punctation of tergites very sparse and vague, surface between punctures with exceedingly fine and dense microsculpture of transverse striae; posterior margins of sternites 7–8 very slightly and broadly emarginated at middle. (Fig. 1 C). Aedeagus slightly asymmetrical and moderately sclerotized; median lobe somewhat widened apicad and slightly narrowed in middle, with apical margin rounded, slightly twisted to right; parameres relatively long and slender, gradually narrowed apicad, (Figs. 2 A–C); the right lobe with one minute seta and the left one without seta at each apex. (Figs. 2 D–E). Female: Similar to male, but head oval, smaller and less transverse; mandibles slightly shorter; posterior margin nearly straight in sternite 7; sternite 8 larger and posterior margin of it arcuately produced. (Fig. 1 D) Remarks. Oxyporus kunmingius n. sp. is similar to O. transversesulcatus Bernhauer from Lijiang City (Yulongxueshan Natural Reserve), Yunnan, China, in the color of the body, but can be distinguished from the latter by the following characters (see key below): elytra with subtriangular black marking at outer apical angle extending from the posterior four fifths of lateral margin to middle of posterior margin; basal portion of abdomeninal tergite 8 black; right paramere with one minute seta and the left one with one without seta at each apex. Etymology. The specific epithet is derived from the type locality “Kunming”. Habitat and Distribution. The new species was found in fungi. It is at present only known from the type locality in eastern Yunnan, China.Published as part of Li, Guo-Feng, Wang, Chun-Mei, Li, Hong-Wei & Hou, Yun-Ping, 2015, A new species of the genus Oxyporus Fabricius (Coleoptera: Staphylinidae: Oxyporinae) in Yunnan, China, pp. 595-599 in Zootaxa 3926 (4) on pages 596-598, DOI: 10.11646/zootaxa.3926.4.9, http://zenodo.org/record/24252
Exposition Feng Li
No full textÀ Paris du 7 octobre au 19 octobre, Galerie Oberkampf – 103, rue Saint Maur, 75011 Paris Pour la première fois en dehors de Chine, Thomas Sauvin et Léo Boisgisson présentent Feng Li et sa sérieWhite Night. Originaire de Chengdu dans la province du Sichuan, Feng Li exerce la photographie à la fois en tant que fonctionnaire pour le gouvernement local et comme indépendant. De fait, il gravite constamment entre l’imagerie officielle et des photos personnelles en décalage complet avec la propaga..
Song-Li/ObjLupAnsys: ObjLupAnsys
No full textObjLupAnsys is a tool to detect prototype pollution vulnerabilities in Node.js packages. This project is written in Python and JavaScript and the source code is included in the repository.
This is an implementation of the paper
Song Li, Mingqing Kang, Jianwei Hou, and Yinzhi Cao, Detecting node.js prototype pollution vulnerabilities via object lookup analysis, ESEC/FSE ’21: 29th ACM Joint European Software Engineering Conference and Symposium on the Foundations of Software Engineering, Athens, Greece, Auguse 23-28, 2021, ACM, 2021
Tachycines (Gymnaeta) plumiopedella Li & Feng & Luo 2021, sp. nov.
No full textTachycines (Gymnaeta) plumiopedella sp. nov. (Figs. 3, 4) Description. Male. Body medium size (Figs. 3A–C). Vertex of head divided into two conical tubercles, bases of the well-developed tubercles not drawn together, obtusely rounded apices separated (Fig. 3D). Eyes normal, not reduced (Fig. 3D). Anterior margin of pronotum straight, posterior margin protruding caudad, ventral margin arcshaped; posterior margin of mesonotum protruding caudad; posterior margin of metanotum caudad. Legs long and slender. Coxae with small medial projections. Fore femur about 2.1 times longer than the pronotum, ventrally unarmed, internal genicular lobe with 1 small spine, external genicular lobe with 1 long spine; fore tibia ventrally with 1 inner spine and 2 outer spines, apex with 1 small outer spine on dorsal surface and 1 pair of long spines on ventral surface, between the paired ventral spines with 1 small spine. Middle femur ventrally unarmed, internal and external genicular lobes with 1 long spine respectively; middle tibiae ventrally with 1 inner spine and 1 outer spine, apex with 1 pair of dorsal spines and 1 pair of ventral spines, between the paired ventral spines with 1 small spine. Hind femur ventrally unarmed; hind tibia dorsally with 67–69 inner spines and 66–67 outer spines, arrange in groups, ventral and dorsal surface with a pair of small subapical spines respectively, apex with 1 pair of long dorsal spines and 1 pair of long ventral spines; the longest dorso-apical spine not exceeding the dorso-apical spine of hind metatarsus (Fig. 3E). Hind metatarsus keeled beneath. Abdominal sternites with short ventral projections. Epiphallus of male genitalia like the shape of “H”; median lobe of genitalia with 1 pair of apical lobules, divided by a deep notch; paired lateral sclerites rather large; ventral lateral lobes longer than dorsal lateral lobes (Figs. 3F, G). Female. General appearance similar to that of male (Figs. 4A–C). Ovipositor shorter than the half of hind femur; base of ovipositor broad, narrowing to apex; apex pointed and slightly curved upwards; almost indistinct denticles on ventral edge of distal part of inferior valves (Fig. 4D). Subgenital plate with 3 nearly triangular lobes, median lobe rather large and paired lateral lobes small (Fig. 4E). Coloration. Body brown with distinct deep brown stripes on the posterior margins of the tergites. The two conical tubercles of vertex dark brown. Face without longitudinal stripes. Hind femora with plumose stripes laterally. Material examined. Holotype: 1♂, Yinxing Cave, Yongan Town, Fenggang County, Zunyi City, Guizhou Province, 6.X.2019, coll. Bing Li. Paratypes: 2♂, 1♀, same data as the holotype. Other specimens: 28♂, 35♀, Shui Cave, Yongan Town, Fenggang County, Zunyi City, Guizhou Province, 6.X.2019, coll. Bing Li; 3♂, 1♀, Er Cave, Yongan Town, Fenggang County, Zunyi City, Guizhou Province, 26.X.2019, coll. Bing Li; 1♂, Youcai Cave, Xihe Town, Meitan County, Zunyi City, Guizhou Province, 14.XI.2019, coll. Bing Li & Xueli Feng; 1♀, Shang Cave, Xihe Town, Meitan County, Zunyi City, Guizhou Province, 15.XI.2019, coll. Bing Li & Xueli Feng; 3♂, 1♀, Qin- glong Cave, Yongan Town, Fenggang County, Zunyi City, Guizhou Province, 16.XI.2019, coll. Bing Li & Xueli Feng; 2♂, 1♀, Xiao Cave, Yongan Town, Fenggang County, Zunyi City, Guizhou Province, 16.XI.2019, coll. Bing Li; 2♂, 5♀, Shirong Cave, Xihe Town, Meitan County, Zunyi City, Guizhou Province, 16.XI.2019, coll. Bing Li & Xueli Feng. Measurements (mm). Body: ♂ 13.68–14.65, ♀ 14.44–16.41; pronotum: ♂ 5.53–6.56, ♀ 5.74–5.84; fore femur: ♂ 12.05–13.12, ♀ 11.95–12.50; hind femur: ♂ 23.93–25.05, ♀ 24.66–25.31; ovipositor: ♀ 12.67–13.93. Distribution. China (Guizhou). Discussion. The new species is similar to T. (G.) lalinus Feng, Huang & Luo, 2019 in the shape of the epiphallus of male genitalia, but can be separated from the latter by several morphological features. First, the shape of the lateral sclerites of male genitalia and the shape of the female subgenital plate are different between the two species. Second, the number of spines on the hind tibiae of this new species is higher than that in T. (G.) lalinus Feng, Huang & Luo, 2019. Third, the coloration of the body is different between these two species. Etymology. The name of the new species refers to the plumose stripes on the hind femora.Published as part of Li, Bing, Feng, Xueli & Luo, Changqing, 2021, Four new species of the subgenus Tachycines (Gymnaeta) (Rhaphidophoridae Aemodogryllinae: Aemodogryllini) from caves in northern Guizhou, China, pp. 150-160 in Zootaxa 4991 (1) on pages 153-155, DOI: 10.11646/zootaxa.4991.1.7, http://zenodo.org/record/502769
Panduan Feng Shui Praktis untuk Rumah Tinggal
No full textBuku "Panduan Feng Shui Praktis untuk Rumah Tinggal" membahas konsep dan aplikasi praktis Feng Shui dalam mendesain dan mengatur rumah tinggal. Buku ini memberikan panduan tentang bagaimana memanfaatkan prinsip-prinsip Feng Shui untuk menciptakan lingkungan yang seimbang dan harmonis di rumah. Isi buku ini memberikan wawasan mengenai bagaimana tata letak, dekorasi, dan energi dalam rumah dapat mempengaruhi kesejahteraan dan keberuntungan penghuninya.148 p. ; ill : 23 cm
- …
