生物放大

湿地甲基汞通过食物链的“生物放大”，威胁人类的健康。

Wetland methylmercury threatens the human health through food chain 's bioaccumulation .

红树林地区常见鱼类对重金属的生物放大作用的研究

Biomagnification of Heavy Metals in Common Fish from Mangrove Areas of China

重金属在环境中不能被降解，迁移能力差，并容易在生物体中富集，不易排出，在食物链中的生物放大作用明显，对生态系统中各种生物以及人体造成严重的为害。

Heavy metal in the environment can not be degraded and migrated badly and easily enriched at organisms in the food chain biomagnification obviously , which is not easy to discharge , do a variety of harm on biological as well as human health .

应用酶生物信号放大系统放大DNA压电传感器检测信号的研究

Research on applying enzyme biological signal amplification system to DNA piezoelectric biosensor

目的研究酶生物信号放大系统用于放大DNA压电传感器检测信号的可行性和有效性。

Objective To research on the possibility and the efficiency of the enzyme biological signal amplification system applied to DNA piezoelectric biosensor .

肽核酸和RecA蛋白&互补单链DNA探针生物信号放大系统用于压电基因传感器的实验研究

Experimental Study of Piezoelectric Gene Sensor by PNA and the System of Biology Magnified of " RecA Protein-complementary Single Strand DNA " Probe

生物富集放大与长距离大气迁移是OCPs环境行为的两个重要特点，这使得有机氯农药对野生动物和人体健康的危害性更显突出。

Bioconcentration and long-range atmospheric transport are two important characteristics of their environmental behavior .

方法：运用链亲和素-生物素放大系统结合的酶联免疫法，动态检测苦参碱作用于K562细胞后，K562细胞膜相及胞浆内的蛋白酪氨酸激酶和磷酸酶活性的变化。

Methods : ELISA coupled with streptavidin biotin system was used to dynamically detect the activity of protein tyrosine kinase and phosphatase in the cytoplasm and the membrane of K562 cells treated by matrine .

目的在构建好的肽核酸压电基因传感器检测系统上引入RecA蛋白互补单链DNA探针复合体作为新型生物信号放大系统，提高传感器的检测灵敏度。

Objective To improve the detection sensitivity of peptide nucleic acid ( PNA ) piezoelectric gene sensor by introducing RecA protein-complementary single strand DNA probe complex as new style biological signal amplification system .

菜籽油制备生物柴油放大实验研究

Study of Preparation of Biodiesel from Rapeseed Oil at Scale-Up Reactor

漏声表面波传感器生物信号放大系统的研究

Study on biological signal amplification system of leaky surface acoustic wave sensor

厌氧产氢细菌连续生物制氢放大实验的研究

Studies on Pilot Continuous Bio-hydrogen Production by Anaerobic Bacteria

玉米秸秆厌氧发酵生物制氢放大试验研究

Study on the scale-up experiment on bio-hydrogen production from corn stalk by anaerobic fermentation

在此基础上，探讨了重金属元素经食物链产生的生物累积放大作用对位于食物链最高营养级鸟类生存所构成的潜在威胁，从而为珍稀水禽保护及管理措施的制定提供一些依据。

The influences of bioaccumulation on the aves on the top of food chains were discussed aiming to provide some inferences for the protection and management of endangered waterfowls .

脑电图是通过脑电图描记仪将脑自身微弱的生物电放大记录成为一种曲线图，是脑神经电生理活动在大脑皮层或头皮表面的总体反映。

EEG is a sort of curves recorded the weak bioelectricity of brain themselves after amplifying by the EEG instrument , and it reflects collectively the electrophysiological activity of brain cells .

耳声发射的产生是耳蜗非线性动力学机制作用的结果，是外毛细胞的非线性生物机构放大过程的一种能量泄露。

As the result of nonlinear dynamics mechanism of cochlea , Otoacoustic emissions ( OAEs ) is the energy leak of the nonlinear biological organ of outer hair cells in the process of amplifying .

基于光纤隔离与通讯的生物电信号放大方法研究

Study on Amplificatory Method of Biologic Electrical Signal Based on Optical Fiber Isolation and Communication

而产品的获得必须以实验室规模的生物过程准确放大到工业级规模为前提。

This can only be obtained if processes developed at laboratory scale are accurately translated to full industrial scale .

生物修复的现场放大技术；

The technology amplification of bioremediation technique on situ or / and in situ ;

生物波逆转、放大后回输人体进行脱敏治疗。

Methods Allergy treatment took with the inverse oscillations of the allergen diagnosed and amplification .

底质中的污染物尤其是难降解有机物可通过生物富集和生物放大等过程，进一步影响陆生生物和人类的健康。

Some sediment pollutants , especially the refractory organic pollutants can be bioaccumulated through the food chain and pose health risks to wildlife and human consumers .

环境中的汞不仅能够通过溶解、挥发、沉降、甲基化等作用在环境中进行迁移转化，还能通过食物链、生物富集等产生放大效应，危害人体健康。

Mercury can transport and transform in environment through dissolving , volatilization , sedimentation , methylation and some other processes . Also , it can endanger human health through food chain and bioaccumulation .

也就是说，如果你将某个生物组织的长度放大两倍，肌肉横断面将会扩大四倍，体积和重量将会增加八倍。

In practice , this means that if you were to double an organism 's length , the cross section of the muscles would go up fourfold and its volume and weight would increase eightfold .

镧系稀土氟化物由于具有较高的折射率和较低的声子能量等特性，被作为一种良好的发光基质和固态激光器材料，广泛应用于发光、显示、生物标记和光纤放大等方面。

Due to having a higher refractive index and lower phonon energy , the lanthanide rare earth fluorides have been widely used in light emitting , biological markers and optical fiber amplifier and other aspects .

重金属的毒性大、不易被代谢、易被生物富集并有生物放大效应等特点，严重威胁人类和水生生物的生存。

The toxicity of heavy metals is serious . Heavy metals can not be metabolized easily ; they also have bioconcentration and biomagnification , so heavy metals are threat to human and aquatic organisms seriously .

利用生物素-亲和素生物放大系统的原理，建立了新的检测细胞培养的甲型肝炎病毒抗原的方法。

A new technique used to detect HAAg in human diploid embryonic lung fibroblast ( HDLF ) cell culture was developed .

汞及其化合物（特别是烷基汞）具有很强的生物毒性、较快的生物富集放大速率和较长的脑器官生物半衰期。

Mercury and its compounds ( especially alkyl mercury ) have very strong biological toxicity . And the rate of biological enrichment and amplification were higher than other heavy metals . Meanwhile , their biological half-lifes in brain organ were also much longer .

方法对用生物共振诊断治疗仪将过敏原生物波逆转、放大后回输入患者体内进行脱敏治疗的127例过敏性鼻炎患者的治疗效果进行分析。

Methods The therapeutic effect was analyzed on 127 patients , who were treated by reversing the biological wave with BICOM , enlarging and then inputting the patients ' bodies .

目的探讨利用生物素-亲和素系统的靶向定位效应和生物放大作用，提高MR分子成像的敏感性。

Objective To improve the sensitivity of magnetic resonance molecular ( MR ) imaging on the basis of the targeting and magnifying effects of biotin-avidin system .

生物信号采集处理系统是应用计算机硬件和软件技术开发的一种集生物信号的放大、采集、显示、处理、存储和分析的机电一体化仪器。

The data acquisition and analysis system of biological signals is a mechanical and electronic instrument developed by the computer hardware and software technology .