搜索结果: 1-15 共查到“理学 CAM”相关记录15条 . 查询时间(0.078 秒)
中国科学院植物研究所科研人员合作解析植物整合C4和CAM两种光合代谢途径的分子基础(图)
植物整合 C4 CAM 光合代谢 Plant Physiology 基因组学
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2023/9/19
中国科学院植物所科研人员合作解析植物整合C4和CAM两种光合代谢途径的分子基础(图)
解析植物整合 光合代谢 分子基础
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2023/9/14
水稻、小麦和大豆等主要农作物进行C3光合作用,在高温、高光照和干旱条件下,光呼吸显著降低光合速率。为了降低光呼吸的影响,高等植物进化出C4和景天酸代谢(CAM)途径两种高效的碳浓缩机制。C4植物的光合作用能力约是C3植物的2倍,同时具有更高的水分和氮素利用效率,而CAM植物则往往是极其耐旱,且生长缓慢。少数C4植物能够在夜间进行二氧化碳的固定,产生类似CAM途径的光合模式。马齿苋(Portulac...
An integrated assessment modeling framework for uncertainty studies in global and regional climate change: the MIT IGSM-CAM (version 1.0)
uncertainty studies global
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2014/12/12
This paper describes a computationally efficient
framework for uncertainty studies in global and regional climate change.
CAM-chem: description and evaluation of interactive atmospheric chemistry in the Community Earth System Model
CAM-chem description and evaluation interactive atmospheric chemistry Community Earth System Model
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2014/12/11
We discuss and evaluate the representation of atmospheric chemistry in the global Community Atmosphere Model (CAM) version 4, the atmospheric component of the Community Earth System Model (CESM). We p...
Tagged ozone mechanism for MOZART-4, CAM-chem and other chemical transport models
ozone mechanism MOZART-4 CAM-chem other chemical transport models
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2014/12/10
A procedure for tagging ozone produced from NO sources through updates to an existing chemical mechanism is described, and results from its implementation in the Model for Ozone and Related chemical T...
Some thoughts on Le Cam's statistical decision theory
likelihood ratios randomized estimators Skorohod-Dudley almost-sure representation Le Cam's statistical decision theory
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2011/9/15
Abstract: The paper contains some musings about the abstractions introduced by Lucien Le Cam into the asymptotic theory of statistical inference and decision theory. A short, self-contained proof of a...
Structure and Population of the NGC55 Stellar Halo from a Subaru/Suprime-Cam Survey
Population Stellar Halo Subaru Suprime-Cam Survey
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2011/9/28
As part of our survey of galactic stellar halos, we investigate the structure and stellar populations of the northern outer part of the stellar halo in NGC55, a member galaxy of the Sculptor Group, us...
地鳖纤溶活性蛋白(EFP)的分离纯化、红外光谱分析及抑制鸡胚尿囊膜(CAM)血管生成研究
地鳖纤溶活性蛋白 血管生成 红外光谱
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2009/11/25
以传统中药材地鳖为原料, 采用匀浆、盐析、硫酸铵分段沉淀、透析和DEAE-52纤维素离子层析等纯化方法, 从其体内分离纯化得到一种纤溶活性蛋白(Fibrinolyric protein of Eupolyphaga sinensis Walker, EFP), 采用SDS-PAGE电泳法对该蛋白进行了分子量和纯度测定, 结果表明, 从地鳖中提取纯化的EFP为相对分子量为41300的单一成分, 具有...
Possibility of a white dwarf as the accreting compact Star in ci cam (xte j0421+560)
white dwarf compact Star ci cam
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2009/6/17
Possibility of a white dwarf as the accreting compact Star in ci cam (xte j0421+560)。
MONITORING ACTIVE STARS 29 DRA,12 CAM AND COLOUR EXCESS OF II PEG
Stars late type-starspots-Stars individual 29 Dra, 12 Cam, II Peg
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2009/2/11
We present the BV light curves analysis of late-type, long-period
stars 29 Dra, 12 Cam for the season 2005/2006, and shorter-period star II Peg for
the same season. High latitude spots (alternativel...
配合物[Cu(CAM)(H2O)2]的水热合成与结构表征
4-羟基吡啶-2,6-二甲酸 铜配合物 晶体结构
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2008/3/19
配合物[Cu(CAM)(H2O)2]的水热合成与结构表征。
牛脑Ca~(2+)/CaM依赖性蛋白激酶Ⅱ的纯化和鉴定
CaM 牛脑Ca~(2+)/CaM依赖性蛋白激酶Ⅱ 牛脑63kD PDE同工酶 自身磷酸化
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2007/12/21
摘要 通过一系列层析法,首次从牛脑纯化得到胶凝电泳匀一的Ca~(2+)/CaM PKⅡ。凝胶过滤法测定全酶分子量为550kD,SDS-PAGE法测定亚基分子量为55kD,推测牛脑Ca~(2+)/CaM PK Ⅱ由十个相同的亚基组成。该酶活性绝对依赖于Ca~(2+)和CaM,以63kD PDE同工酶为底物,其AC_(50)分别为0.85μmol/L和0.18μmol/L;以酪蛋白为底物,其AC_(5...
丹参酮lI-A磺酸钠及莨菪等药物对红细胞膜稳定性及钙调节蛋白(CaM)功能的影响
丹参酮Ⅱ-A 磺酸钠 东茛菪 调微Ⅱ号 红细胞膜 钙调节蛋白CaM
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2007/12/20
摘要 为了进一步证实某些药物对红细胞膜稳定(即抗溶血)作用及抑制CaM功能与药理作用之间的相关性,本文选用丹参酮Ⅱ-A磺酸钠,戊脉安,奎尼丁和莨菪类药物,测定它们对大鼠红细胞溶血及CaM功能的影响。结果表明丹参酮Ⅱ-A磺酸钠,戊脉安,奎尼丁对红细胞溶血抑制率分别为100%,71%,32%,对CaM功能的抑制分别为71.8%,63.4%,46.4%。莨菪类药物有促溶血作用,对CaM功能的抑制也极弱。...
CaM BP-10对NAD激酶的抑制效应
钙调素 钙调素结合蛋白 NAD激酶
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2007/12/17
摘要 NAD激酶在光合作用等植物生理过程中起重要作用。NAD激酶的激活依赖于钙离子和钙调素(CalmOdulin,CaM).从植物中分离得到的一种新的CaM结合蛋白CaMBP-10(BP-10)明显抑制NAD激酶的激活活性,抑制作用可被CaM所克服.动力学研究表明,抑制效应是BP-10与CaM之间特异性相互作用的结果。实验证实BP-10对NAD激酶活性起着重要调节作用.
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