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萨勃心肺复苏器在急诊心搏骤停患者救治中的应用效果分析

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中国医疗器械信息 2025年第2期31卷 87-89页

作者：张文博天津北大医疗海洋石油医院天津300450

目的:研究萨勃心肺复苏器在急诊心搏骤停患者救治中的应用效果。方法:将通过心肺复苏进行救治的86例心搏骤停患者随机分为两组,研究组采用萨勃心肺复苏器进行心肺复苏,对照组采用徒手胸外按压方法进行心肺复苏。观察两组心肺复苏效果、... 详细信息

目的:研究萨勃心肺复苏器在急诊心搏骤停患者救治中的应用效果。方法:将通过心肺复苏进行救治的86例心搏骤停患者随机分为两组,研究组采用萨勃心肺复苏器进行心肺复苏,对照组采用徒手胸外按压方法进行心肺复苏。观察两组心肺复苏效果、心肺复苏后颈动脉血流速度、血气分析指标以及复苏时间。结果:研究组心肺复苏有效率显著高于对照组(P0.05),复苏后研究组乳酸水平显著低于对照组(P<0.05),研究组血氧分压和血氧饱和度显著高于对照组(P<0.05),研究组二氧化碳分压显著低于对照组(P<0.05)。研究组复苏时间显著短于对照组(P<0.05)。结论:在急诊心搏骤停患者救治中应用萨勃心肺复苏器可以改善颈动脉血流速度和血气分析指标,缩短复苏时间,提升心肺复苏效果。

关键词：萨勃心肺复苏器急诊心搏骤停胸外按压

西安都市圈土地利用及生态系统服务价值多情景预测

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生态与农村环境学报 2025年第1期41卷 72-85页

作者：张博文唐相龙崔婕心蔡乐山兰州交通大学建筑与城市规划学院甘肃兰州730000 西安建筑科技大学建筑学院陕西西安710000

城市土地利用变化是造成生态系统服务价值改变的主要原因之一。近年来,土地利用情景模拟被广泛应用于城市发展和生态系统服务等领域,但所使用的方法模型不能很好地用于剖析两者间的深层次关系。本研究采用当量因子法对西安都市圈生态系... 详细信息

城市土地利用变化是造成生态系统服务价值改变的主要原因之一。近年来,土地利用情景模拟被广泛应用于城市发展和生态系统服务等领域,但所使用的方法模型不能很好地用于剖析两者间的深层次关系。本研究采用当量因子法对西安都市圈生态系统服务价值进行计算并基于土地利用数据、相关社会经济数据采用PLUS模型对自然发展、生态保护和旅游发展3种情景下西安都市圈2030和2040年土地利用及生态系统服务价值进行模拟,从而探究西安都市圈土地利用与生态系统服务价值的内在关系。结果表明:2000—2020年间西安都市圈耕地面积持续减少,由2000年的15 839.86 km^(2)减少到2020年的14 611.90 km^(2),减少1 227.69 km^(2),而在这期间建设用地则由2000年2 245.06 km^(2)增长到2020年的3 397.34 km^(2),共增长1 152.28 km^(2)。3种情景下2030和2040年各类用地结构差异明显。自然发展情景下,2030和2040年城市建设用地面积相较于2020年迅速扩张为3 736和4 052 km^(2),耕地和草地面积持续缩减;2030和2040年生态系统服务价值较2020年下降较大,分别为799.59和809.84亿元。生态保护情景下,建设用地面积增长趋势减缓,2030和2040年分别为3 511和3 604 km^(2),生态系统服务价值在3种情景中最高,分别为817.51和819.58亿元。旅游发展情景下,耕地面积侵占得到有效控制,2030和2040年比自然发展情景分别增长147和272 km^(2),生态系统服务价值分别为815.67和810.05亿元。

关键词： PLUS模型生态系统服务价值多情景模拟西安都市圈

Simultaneous quantification of greenhouse gas and nitric oxide emissions from subtropical conventional vegetable systems:a 2-site field case study in Sichuan Basin

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Journal of Mountain Science 2021年第3期18卷 671-682页

作者： zhang bo-wen ZHOU Ming-hua ZHU bo Key Laboratory of Mountain Surface Processes and Ecological Regulation Institute of Mountain Hazards and EnvironmentChinese Academy of SciencesChengdu 610041China University of Chinese Academy of Sciences Beijing 100049China

Quantification of greenhouse gases[nitrous oxide(N_(2)O)and methane(CH_(4))]and nitric oxide(NO)emissions from subtropical conventional vegetable systems through multi-site field measurements are needed to obtain accurate regional and global estimates.N2 O,NO and CH4 emissions from subtropical conventional vegetable systems were simultaneously measured at two different sites with hilly topography in the Sichuan basin,southwest China by using the static chamber gas chromatography *** showed that annual soil N_(2)O and NO fluxes for the treatment receiving N fertilizer ranged from 6.34-7.71 kg N ha^(-1) yr^(-1) and 0.69-0.85 kg N ha^(-1) yr^(-1),respectively,while decreased soil CH4 uptakes by 26.4%as compared with no N fertilizer addition across our two sites of ***,the average direct N2 O and NO emission factor(EFd)were 0.71%and 0.12%,respectively,which were both lower than the available EFd for subtropical conventional vegetable *** finding indicates that current regional and global estimates of N_(2)O and NO emissions from vegetable fields are likely *** N_(2)O emissions(3.42-3.62 kg N ha^(-1) yr^(-1))from the subtropical conventional vegetable systems were relatively high as compared with available field measurements worldwide,suggesting that background N_(2)O emissions cannot be ignored for regional estimate of N_(2)O emissions in subtropical ***,the significantly intra-and inter-annual variations in N_(2)O,CH_(4) and NO emissions were also observed in the present study,which could be explained by temporal variations of environmental variables(*** temperature and moisture).The differences in N_(2)O and NO EFd and CH_(4)emissions between various vegetable systems in particular under subtropical conditions should be taken into account when compiling regional or global inventories and proposing mitigation practices.

关键词： Subtropical vegetable system Nitrous oxide Nitric oxide Methane Emission factor Background emissions

The production relationship of destruxins and blastospores of Metarhizium anisopliae with virulence against Plutella xylostella

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Journal of Integrative Agriculture 2016年第6期15卷 1313-1320页

作者： DONG Ting-yan zhang bo-wen wenG Qun-fang HU Qiong-bo Key Laboratory of Bio-Pesticide Innovation and Application of Guangdong Province College of Agriculture South China Agricultural University

Metarhizium anisopliae as an essential entomopathogenic fungus has been known to produce destruxins （a kind of cyclo-peptidic mycotoxins） and blastospores in submerged culture. Blastospores and destruxins are candidates for in- secticides, but the relations of both productions and the impact factors are unclear yet. In this study, we investigated the effects of inoculums, rotation, dissolved oxygen （DO） on the productions of blastospores and destruxins A and B （DA and DB） in submerged culture of M. anisopliae strain MaQ01. The results indicated that DO levels were regulated by inoculum amounts and rotation speeds, meanwhile, the productions of DA, DB and blastospores were also closely influenced by those factors. Totally, when DO value was more than 40%, the higher productions of destruxins and blastospores were achieved, by contrast, lower than 40% of DO values resulted in lower productions. The regression analysis suggested that the productions of DA, DB and blastospores were positively correlated with the DO levels. Meanwhile, the positive correlations between the productions of DA or DB and blastospores were also found. Briefly, when the rotation is 150 r min-1 and the inoculum is 1.0xl06 spore mL-1, the DA, DB and blastospores achieved the best production of 61.81 mg mL-1, 24.74 mg mL-1 and 5.73x 108 spore mL-1, respectively. In addition, the pathogenicities of blastospores and conidia against Plutella xylostella were bioassayed. The higher mortalities of P. xylostella were totally recorded in blastospore treatments than in conidia treatments, especially in lower dosages and earlier periods. Our research will give some new insights to production of destruxins and blastospores by using M. anisopliae.

关键词： Metarhizium anisopliae blastospores destruxins production Plutella xylostella

Direct asymmetric aldol reaction using MBHA resin-supported peptide containing L-proline unit

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Chinese Chemical Letters 2009年第9期20卷 1065-1067页

作者： Liang zhang wen bo Ding Yong Ping Yu Hong Bin Zou Institute of Materia Medica College of Pharmaceutical Sciences Zhejiang University Hangzhou 310058 China

MBHA resin-supported tripeptide catalyst system containing L-proline unit has been developed for use in the direct asymmetric aldol reaction of acetone and aldehydes, which afford the corresponding products with satisfactory isolated yields and enantiomeric excesses. 2009 Hong Bin Zou. Published by E]sevier B.V. on behalf of Chinese Chemical Society. All rights reserved.

关键词： Direct asymmetric aldol reaction MBHA resin-supported peptide L-Proline "Tea-bag" methodology

Synthesis and Crystal Structure of (H_3O)_2[Cu_3Cl_3(H_2O)_3(NC_9H_(12.5)O_6)_2]

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Chinese Journal of Structural Chemistry 2005年第11期24卷 1302-1305页

作者： zhang Rui-bo zhang Jian wen Yi-Hang CHENG Jian-Kai LI Zhao-Ji YAO Yuan-Gen State Key Laboratory of Structural Chemistry Fujian Institute of Research on theStructure of Matter The Chinese Academy of Sciences Fuzhou Fujian 350002 China

The new compound, （H3O）2[Cu3Cl3（H2O）3（NC9H12.5O6）2] 1, has been synthesized by the hydrothermal reaction and its structure was determined by single-crystal X-ray diffraction. The crystal is of hexagonal, space group P6 3/m with a = 10.6975（13）, c = 14.881 （3） A, V = 1474.8（4） A^3, C18H31Cl3Cu3N2O15·2（H3O）, Mr = 850.47, Z = 2, Dx = 1.915 g/cm^3, μ= 2.495 mm^-1, F（000） = 866, R = 0.0517 and wR = 0.0900 for 537 observed reflections （1 〉 2a（Ⅰ））. This compound contains two oxonium ions and one [Cu3Cl3（H2O）3（H0.5ntp）2]^2- anion （ntp = nitrilotripropanoato）, in which two tridentate ntp ligands connected by three copper（Ⅱ） ions enclose a cage-like unit. Each copper（Ⅱ） ion is coordinated by one water molecule, one chloride ligand and two carboxylate oxygen atoms from two ntp ligands assume a slightly distorted square-planar geometry. There are O-H…Cl hydrogen bonding interactions between unligated oxonium ions and ligated chlorine atoms of the units resulting in two-dimensional sheets and wheel-like three-dimensional interpenetrating frameworks.

关键词： nitrilotripropionic acid copper compound cage-like structure

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怀菊不同部位中8种黄酮含量比较

中成药 2025年第2期47卷 378-383页

作者：李孟郭梦真邓晓颜张博文王小兰刘通张莉郑晓珂冯卫生河南中医药大学药学院河南郑州450046 河南省中药开发工程技术研究中心河南郑州450046

目的测定怀菊花、茎、叶中芹菜素、金合欢素、香叶木素-7-O-β-D-吡喃葡萄糖苷、香叶木素、木犀草素、金合欢素-7-O-β-D-吡喃葡萄糖苷、木犀草苷、芹菜素-7-O-β-D-吡喃葡萄糖苷的含量。方法HPLC法测定58批药材中各黄酮含量,再进行层... 详细信息

目的测定怀菊花、茎、叶中芹菜素、金合欢素、香叶木素-7-O-β-D-吡喃葡萄糖苷、香叶木素、木犀草素、金合欢素-7-O-β-D-吡喃葡萄糖苷、木犀草苷、芹菜素-7-O-β-D-吡喃葡萄糖苷的含量。方法HPLC法测定58批药材中各黄酮含量,再进行层次聚类分析、主成分分析和正交偏最小二乘判别分析。结果8种黄酮在各部位中均有检出,其含量存在差异,总体上依次为花>叶>茎,香叶木素-7-O-β-D-吡喃葡萄糖苷和芹菜素-7-O-β-D-吡喃葡萄糖苷为差异性成分。结论怀菊花、茎、叶中均含有黄酮,在以前者为主原料的同时应加大后两者的开发利用,以期充分提高该药材经济效益。

关键词：怀菊部位黄酮含量测定 HPLC 层次聚类分析主成分分析正交偏最小二乘判别分析

Separation of Ephedrines Using 1-Butyl-3-methylimidazolium-tetrafluoroborate Ionic Liquids as Eluent in High-performance Liquid Chromatography (HPLC)

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Chinese Chemical Letters 2003年第6期14卷 603-604页

作者： Li Jun HE, wen Zhu zhang, bo wen, Xia LIU, Sheng Xiang JIANG* Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou 730000 Lanzhou Inst. of Chemical Physics Chinese Academy of Science Lanzhou 730000 China

A simple, effective HPLC method for separation of ephedrines was achieved by using 1-butyl-3-methylimidazolium-tetrafluoroborate ionic liquid solution (0.1% v/v) as eluent at pH 3.0. The involved mechanism may be due to that the imidazolium cations can effectively shield the silanol groups of alkylsilica surface, thereby decreasing band tailing and increasing the separation efficiency.

关键词： Ionic liquid ephedrine HPLC.

Sunlight-induced Permanent Hair Dyeing

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Chinese Journal of Polymer Science 2025年第2期43卷 261-270页

作者： Ting zhang bo Liang Jian-Hua zhang Lei Yang Jun-Fei Hua Yi-wen Li College of Polymer Science and Engineering State Key Laboratoryof Polymer Materials EngineeringSichuan UniversityChengdu 60065China Schoolof Materials Science and Engineering Hubei University of Automotive TechnologyShiyan 442002China School of Emergent Soft Matter South China University of TechnologyGuangzhou 510640China

Hair coloring has emerged as an integral part of the cosmetic industry,particularly in response to the increasing global aging *** natural melanin analog,polydopamine(PDA),has garnered considerable attention as an eco-friendly hair dye,and several kinds of polymerization ways of dopamine(DA)have been proposed including alkali catalysis,metal ion catalysis,strong oxidants,and enzyme-mediated oxidation reactions and *** the controllability of polymerization and potential toxicity of involved metal ions are still in *** by the photoprotective mechanism in human skin,we have developed the melanin-inspired hair dyeing strategy that allowed for the in situ oxidative polymerization of DA under ultraviolet(UV)*** polymerization was triggered by photobase generators(PBGs),a class of compounds that produced organic bases upon UV and sunlight *** resulting hair showed an adjustable color from light brown to black by tuning the ratio of DA and PBG(DA@PBG),the concentration of DA,and light exposure *** dyed hairs showed excellent washing resistance and superior anti-static ***,Hair Color Spray DA@PBG also demonstrated a desirable hair dyeing effect and excellent biosecurity by simply spraying it on the hair under *** novel sunlight-induced method provided a new direction towards the preparation of natural hair dyes and could promote the development of green and safe hair dyes in colorful and brilliant artistic-grade hair coloring.

关键词： Polydopamine Melanin Polymerization Hair dye Photo-initiation