High concentration of salt in soil causes ion imbalance, oxidative damage, water deficit and nutrient deficiency, which lead to molecular damage, growth retarded, and even death of plant.
土壤中高浓度的盐分会使离子失衡、氧化伤害、水分亏缺、营养缺乏，并导致生物大分子被破坏、生长迟缓、甚至植株死亡。
Six surfactants with different ionic type and molecular structure were used to study the effects of surfactant concentration, ionic type and molecular structure on their toxicity.
采用六种不同离子类型、分子结构的表面活性剂研究表面活性剂的浓度、离子类型和分子结构对其毒性的影响。
Six surfactants with different ionic type and molecular structure were used to study the effects of surfactant concentration, ionic type and molecular structure on their toxicity.
采用六种不同离子类型、分子结构的表面活性剂研究表面活性剂的浓度、离子类型和分子结构对其毒性的影响。
The effects of shearing rate and molecular weight of PAM and the concentration of PAM solution on kinematic viscosity were discussed.
探讨了剪切速率对动力粘度的影响，以及聚丙烯酰胺分子量和溶液浓度对动力粘度的影响。
There is an optimum value about the concentration of a high molecular weight polymer.
高分子质量浓度存在一个最佳值。
Viscosity is a general parameter reflecting the molecular weight, molecular weight distribution, and polymer solution concentration of acrylic fiber.
粘度是反映腈纶分子质量、分子质量分布和聚合物浓度的一项综合参数。
It is valuable to get the distribution of the velocity field, temperature field and concentration field that are formed in the process of molecular distillation.
准确获得刮膜分子蒸馏器内流体的速度、温度及浓度分布具有十分重要的研究意义。
It was found that the interactions between ethene molecules increase with the increasing of molecular concentration, while molecular total self-diffusion coefficient decreases with the concentration.
研究发现随着乙烯分子浓度的增加，被吸附的乙烯分子之间相互作用能随之增加，而乙烯分子的总扩散系数随浓度增加而单调递减。
The concentration quenching of organic dyes is mainly induced by the organic molecular interactions, such as formation of excimer and dimer, intercrossing relaxation, etc.
有机分子之间及有机分子与基质之间的各种相互作用，如激发态反应、二聚作用、交叉弛豫作用等，是引起有机染料浓度猝灭的主要原因。
The influence on molecular weight of PAM of reaction -temperature, reaction time, concentration of monomer, amount of initiation and chain-transfer agent has been studied.
探讨了反应温度、单体浓度、链转移剂、引发剂等因素对聚合物分子量的影响。
The molecular weight of the polymer was mainly affected by the concentration of hydrogen in the polymerization system.
聚合物的分子量主要与系统中的氢浓度有关。
The emphasis of experiment is the relation between anionic polyelectrolyte molecular conformation and salt with different sort and concentration in solution.
本实验着重考察了溶液中阴离子型聚电解质分子形态与盐的种类、浓度之间的关系。
The ratio of catalyst to initiator concentration will improve the rate, however, it do not increase of molecular weight, obviously.
增加催化剂与引发剂的浓度之比可以提高反应速率，但对分子量的提高不明显。
Objective: To study the effects of high concentration glucose on islet cell apoptosis and apoptosis related genes, and discuss the glucose toxicity and its molecular mechanism.
目的：观察高浓度葡萄糖体外对胰岛细胞凋亡及凋亡相关基因表达的影响，探讨葡萄糖毒性及其分子机制。
RESULTS AND CONCLUSION: With the degree of substitution and molecular weights increased, the stability of the nanoparticles enhanced, critical micelle concentration decreased.
结果与结论：随着相对分子质量和取代度的增加，粒子稳定性增强，临界胶束质量浓度降低。
The paper studies the effects of molecular weight, degree of hydrolysis and concentration of HPAM on adhesion of jelly and formation rock.
研究了HPAM的分子量、水解度、浓度对所形成冻胶与地层岩石的粘附状态的影响。
The effects of the solvent, monomer concentration, temperature and rare earth element on the polymerization and the molecular weight of polymer were investigated.
研究了聚合溶剂，单体浓度，反应温度以及配合物中稀土离子性质对催化活性和所得聚苯乙烯分子量的影响。
The solubilization capacity increases with the increase of relative molecular mass of sodium naphthenate or its concentration.
水相中石油酸钠浓度越大，对馏分油的增溶能力越强；
The influence of molecular weight and concentration of chitosan, dosage of citric acid and times of laundering to crease recovery Angle and antibacterial property was analyzed.
分析了壳聚糖分子量、浓度、柠檬酸用量和洗涤次数对整理织物折皱回复角和抗菌性能的影响。
Sulphat concentration in products was examined. Deeper oxidation of TD is primary series by-reaction, and it is connected with the molecular structure of TD.
追踪了产物中硫酸盐的浓度，认为二氧化硫脲的深度氧化是主要的串联副反应，并与二氧化硫脲本身分子结构有关。
The influences of catalyst concentration and aging temperature, polymerization time and temperature on molecular weight of the polymers were studied.
研究了催化剂浓度、聚合时间、真空度、聚合温度和陈化温度等对聚合收率和聚合物粘均分子量的影响。
The viscosity average molecular weighs of several different CPPs were determined by dilute solution viscometry and the intrinsic viscosity was related to the viscosity of industry concentration.
用稀溶液粘度法测定了几种不同氯化聚丙烯粘均分子量，并且将稀溶液测定的特性粘数与一般工业使用浓度的粘度联系起来。
The effect of solute concentration, molecular charge and solvents on membrane performance (flux and rejection) in organic solvents was investigated.
研究了浓度、电荷和溶剂对膜通量和溶质截留率的影响。
Ultrahigh molecular weight polyethylene fibers(UHMWPE) of different gel concentration were prepared using gel spinning process followed by solvent extraction, drying and drawing.
采用凝胶纺丝工艺制备了具有不同质量分数的超高分子质量聚乙烯凝胶纤维，并对其进行了萃取干燥和后拉伸等处理。
The result indicated that the molecular weight decreases, the grafting ratio and particle size increase with the increase of initiator concentration.
乳化剂浓度增大，分子量和接枝率变化不大，粒径则有下降趋势；
The relative molecular weight distribution and the concentration of organic matters had significant effect on coagulation removal of iron.
有机物的分子量分布和浓度对混凝除铁有很大影响。
The removal of DOC and iron also increased with the increasing of the molecular weight and the concentration of organic matter during alum coagulation.
有机物的分子量越大，浓度越高，则溶解性铁和DOC的去除率越高。
At the same surfactant concentration, the larger of molecular weight of the surfactant, the higher of its adsorbance on oil sand.
在相同活性剂浓度下，分子量越大，在油砂上吸附量越高。
The effects of concentration of acetic acid in the mobile phase was studied and the polymers were able to separate naproxen from the structurally similar molecular such as ibuprofen and ketoprofen .
另外，在印迹柱上分离了与萘普生结构相似的布洛芬、酮洛芬，这进一步证实了制得的-萘普生分子印迹聚合物的高度专一识别性能。
The results showed that concentration of pentaerythritol and polymerization time play a key role on molecular weight of PET-PLLA.
结果表明，醇的加入量和聚合时间对PET - PLLA分子量大小起决定性作用。
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