par相关论文
植物利用约400～700nm波段的光驱动光合作用，但不同波长的光的驱动效率并不相同，而且还会随着植物类型及生长阶段的不同而变化。因此，准......
The Tilted tilted transversely isotropic(TTI)media,a kind of anisotropic medium,widely exists within the earth.For faste......
多聚二磷酸腺苷核糖基化,即,PAR化修饰（PARylation）,是一种进化保守的蛋白质翻译后修饰方式,存在于病毒、细菌以及绝大多数的真核生......
本文研究了阳光紫外辐射（UVR）对蓝藻鱼腥藻PCC7120生长、光合活性和形态的影响。本实验设置了三种不同的光照处理：室内低PAR（光合有效......
环酰亚胺水解酶（cyclic imide hydrolase, CIH, EC.3.5.2.16）是环酰胺酶（包括海因酶、二氢尿嘧啶酶、二氢乳清酸酶、尿囊素酶等）中的一......
在一维艾里光相位模板中截取扇形相位模板,通过对扇形相位模板的圆周排列,实现了一种“瓣状”空间结构光场的相位全息图.激光经加......
目的:探讨术前外周血比值指标:血小板/白蛋白（Platelet to albumin ratio,PAR）、纤维蛋白原/前白蛋白（Fibrinogen to prealbumin rati......
文章在流媒体时代下,试分析了H5行业的衰败成因以及营销战略对策.笔者试图从整合营销传播的角度入手,通过舒尔茨较新理论PAR、SIVA......
Schwann cells differentiated from skin-derived precursors provide neuroprotection via autophagy inhi
Autophagy has been shown to play an important role in Parkinson\'s disease.We hypothesized that skin-derived precursor......
Tribological Properties of Magnesium Ion-exchanged a-Zirconium Phosphate as a Solid Lubricant Additi
Magnesium ion-exchanged a-zirconium phosphates (Mg-a-ZrP) with particle sizes of 600 and 80 nm were prepared through the......
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Spike Fertility and Duration of Stem Elongation as Promising Traits to Improve Potential Grain Numbe
The field experiments were conducted under irrigated conditions at Taian Experimental Station of Shandong Agricultural U......
Linking Forest Soils and Ecophysiology to Improve Understanding of Ecosystem Processes Affecting For
Forest productivity is determined by the amount of carbon fixed through photosynthesis, the carbon lost through respirat......
BVOCs对全球碳收支、对流层化学反应及臭氧的形成和气候变化都有很大的影响。选取森林覆盏率高且BVOCs排放尚未有研究报道的中国东......
Factors influencing carbon-and fluorescence-based primary productivity in Ariake Bay,southwestern Ja
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目的探讨急性脑梗死患者不同出血转化类型与血清尿酸的关系。方法回顾性分析2018年6月至2020年12月浙江省金华市中心医院365例急性......
本文分别以1-(2-吡啶偶氮)-2-萘酚-6-磺酸(PAN-S)、4-(2-吡啶偶氮)间苯二酚(PAR)和2,7-双(2-苯胂酸-1-偶氮)变色酸(偶氮胂Ⅲ)作为......
Long-term straw incorporation increases rice yield stability under high fertilization level conditio
Straw incorporation is a global common practice to improve soil fertility and rice yield.However,the effect of straw inc......
From Monovalent to Multivalent Vaccines, the Exploration for Potential Preventive Strategies Against
Hand,foot,and mouth disease(HFMD)recently emerged as a global public threat.The licensure of inactivated enterovirus A71......
建立一个集总式水文模型,即基于蓄满产流的三水源新安江模型,模拟抚河流域1981—1995年的18次暴雨洪水过程;采用马斯京根分段连续......
对激光定向能量沉积增材制造过程中粉末对颗粒温度和显微组织的影响进行模拟。利用离散元法模拟金属粉末颗粒的空间分布;借助电磁......
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<正> Ⅰ. INTRODUCTIONIn ordinary degenerate four-wave mixing experiments, parametric amplification is generated, i.e., w......
Triphenyltin (TPT ) 广泛地向神经房间和相关机制遗体作为环境污染物质，而是它的毒性存在不清楚。在这研究， SHSY-5Y 房间暴露于 TP......
工程胎胎面胶实现缠贴化生产是工程胎成型技术的主流。本文围绕程序缠贴这一课题的设想，设计，开发与调试，从不同角度看这个问题的解决......
从具体的语言事实出发,对具有普遍性的人类假装进行完整描写,这契合的正是语言哲学中新描写主义的基本精神。基于此,本文意在做两......
在这，我们认为极端的纸在 n 为欧几里德几何学的单位球 B n 的规范的 biholomorphic mappings 的紧缩的子类指，支持指。我们在有参量......
【正】Knowledge of seasonal variation of net ecosystem CO2 exchange (NEE) and its biotic and abiotic controllers will fu......
Rapid and sensitive detection of pesticides by surface-enhanced Raman spectroscopy technique based o
A novel method of fast and sensitive SERS detection using GMA-EDMA porous material combined with a miniature device was ......
Drilling crews of Sinopec have encountered a series of troubles when drilling a formation called kazhdumi of Yadavaran o......
High yield synthesis of cyclic analogues of antibacterial peptides P-113 by Sortase A-mediated ligat
P-113 is a fragment of natural occurring peptide Histatin 5 found in human saliva. This peptide exhibited broad spectrum......
丁基罗丹明 B 萃取光度法测定镓,具有选择性好和灵敏度高的优点。因此,目前较普遍用于测定矿石中的微量镓。但我们在用乙酸丁酯从......
On October 12, 2008, a train-ing school for orphans was inaugurated at Nanshanggang Village, Fangshan District, Beijing ......
用于钒的比色测定试剂很多,但在溶液中比色试剂能与钒产生高灵敏度的、稳定性好的有色络合物尚不多见。近来,4-(2-吡啶偶氮)-间苯......
The Rotterdam Rules have abandoned the traditional categorisation of transport documents(such as bills of lading,sea way......
ANTI-OXIDATIVE MECHANISMS OF PRAVASTATIN PREVENTING AORTIC ATHEROSCLEROSIS IN apoE KNOCKOUT MICE:ROL
Objective To determine whether pravastatin exerts anti-oxidative effects on preventing aortic atherosclerosis via modula......
A newly designed sample-and-hold(S/H) integrated circuit based on the 1.5 micr on N-w ell CMOS technology for 8-bit hig......
Annealing behavior, at different annealing temperatures, of an ultrathin Mo layer located between a Ti film and Si subs......
Wehber提出4(2-吡啶偶氮)間苯二酚(以下簡称(PAR),可用于水溶液的光度測定和作絡合滴定指示剂。在研究用PAR測定鈾等元素吋,Polla......
有关铟的化学分析方法有极谱法,络合滴定法,原子吸收光度法及化学光度法等。但这些方法由于锡、镍等元素的干扰,一般需萃取分离铟......
PAR气枪是Bolt Associates Inc.of Norwalk,Connecticuf的独有产品,它是一种用途众多的震源,在世界上广泛地应用于水下探测、港口......
钒(V)-PAR络合物在NaClO_3存在下产生一灵敏的极谱催化波.峰电位为-0.1V(SCE).该催化波具有吸附和动力波的特征.它的总电极反应可......
前言水中微量锌的测定方法,目前使用的有亚铁氰化钾比浊法、若丹明比色法和双硫腙比色法等。前两法在水相中进行比浊或比色,操作......
在微酸性介质中钒的PAR-H_2O_2分光光度法早有报导。但以往方法均以五价钒参与反应。我们发现在0.07—0.29N硫酸介质(pH1—3.5)中......
The Frequency-Coded Pulse (FCP) signal has good performance of range and Doppler resolution. This paper first gives the ......
吡啶——(2——偶氮——4)间苯二酚(PAR)——H_20_2法比色测定五氧化二釩,常用氟化钠、EDTA、柠檬酸络合铁、铜,钛、钼等干扰元素......
