Results 41 to 50 of about 7,494 (164)
Design and Implementation of Online Shopping System Based on PHP [PDF]
, 2016 随着网络技术的飞速发展，在线购物的电子商务产业如雨后春笋般涌现，在线购物已逐渐成为人们的首选消费方式。相比于人工管理，使用计算机对信息进行管理具有无法比拟的优点，例如：检索信息迅速、查找信息方便、可靠性高、信息存储量大、信息保密性好、寿命长、成本低等。因此利用计算机代替人工进行购物管理既可以节约人力物力成本，同时又可以将购物环节的出错率降到最低。购物管理的信息化势在必行，开发一套在线购物系统显得尤为重要。 本文设计和实现了一套商城销售平台系统。本系统采用B/S模式，使用网站开发的黄金组合PHP ...
韩霜
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The genus Schistochila in Guangxi with Schistochila sciurea as new recorded species of China [PDF]
[Objective] The study aims to understand the distribution of the species of Schistochila in Guangxi, which not only adding new data for the study of bryophytes in Guangxi, but also adding data for the conservation of bryophyte diversity in China ...
HO Boon-Chuan +4 more
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A newly record species in the genus Stenodryas Bates (Coleoptera: Cerambycidae: Cerambycinae) from China [PDF]
, 2020 : Stenodryas ventralis (Gahan, 1906) is reported from China for the first time. A simple description of this newly-recorded species and a key to the Chinese species of the genus Stenodryas Bates is provided.
Chen Li, Tian Lichao, Xiong Sai, ①
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Integrative Conservation, Volume 4, Issue 3, Page 334-338, September 2025.This study reports four rare events of spiders preying on vertebrates in the Xishuangbanna Tropical Botanical Garden, Southwest China. The predators included a giant golden orb‐weaver, huntsman spiders, and a wandering spider, while the prey consisted of a small bird, a blind snake, a gecko, and a tiny shrew.
Wanlu Liu +6 more
wiley +1 more source
Study on Polysiphonia and Neosiphonia in China(中国多管藻属及新管藻属的研究)
Zhejiang Daxue xuebao. Lixue ban, 2004 根据KIM和LEE(1999)将多管藻属分为两独立属新管藻及多管藻,报道了我国14种及1变种1变型多管藻,以及11种新管藻,其中19种为我国新记录,发表了新种垫状多管藻(Polysiphonia caespitosa sp.nov.)及新变种岩生多管藻长节变种(P. scopulorum var. longinodium var.nov.).
XIANGSi-duan(项斯端)
doaj +1 more source
, 2008 微型硅藻是海洋浮游植物的重要组成类群,由于其个体微小,在以往的研究中大多被忽略了。本文利用透射电镜(TEM)对若干采自我国沿海海域的样品进行观察,经鉴定,确认一个我国微型硅藻类的新记录属——微壳藻属Nanofrustulum Round,Hallsteinsen & Paasche1999。对该属及该属一个新记录种的主要形态学特征进行了描述,提供了透射电镜下的照片 ...
吕颂辉, 李扬, 高亚辉
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A new record of orchid species, Gastrodia exilis Hook.f., from Yunnan in China and morphological comparison with close relevant species [PDF]
[Objective] A newly recorded orchid species, Gastrodia exilis Hook.f., was spotted from Yunnan Province, China, and its main characters were compared with its morphologically close relatives G. menghaiensis Z.H. Tsi & S.C. Chen, G. putaoensis X.H.
CHEN Fei +5 more
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First report of Gyrodinium fusiforme and G.moestrupii (Dinophyceae) in China Sea waters [PDF]
, 2014 甲藻环沟藻属于一类无色素体、表面有脊的裸甲藻,因可捕食一些重要的赤潮生物而在海洋生态系统中扮演着重要的角色。有关中国近海环沟藻属的物种多样性信息非常有限。本文报道了2个新记录种——纺锤环沟藻(gyrOdInIuM fuSIfOrME)和莫氏环沟藻(g.MOESTruPII)。纺锤环沟藻细胞呈纺锤形,长48.0–58.0μM,宽18.0–23.0μM,长宽比为2.4–3.0,和模式种相比体型和长宽比都较小。莫氏环沟藻细胞也呈纺锤形,长约30μM,宽约15μM ...
刘丽丽, 罗肇河, 顾海峰, 高越
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When Politicians Talk AI: Issue‐Frames in Parliamentary Debates Before and After ChatGPT
Policy &Internet, Volume 17, Issue 3, September 2025.ABSTRACT Artificial intelligence (AI) is increasingly recognized as a crucial issue in political discourse, yet comparative research on how political perspectives on AI vary across countries, particularly following ChatGPT's public debut, remains limited.
Viktor Suter +3 more
wiley +1 more source