查询词典 toxicity

During the process in studying Al toxicity to the orgaiusms, people changed the opinion that Al was innoxious in biosystems, and became more aware of the importance of the mechanisms of Al-toxicity and Al-tolerance in environmental and life sciences.

随着对Al~(3+)毒陛研究的不断增多，使人们改变了原先认为Al~(3+)无生物活性的观点，转而进一步深入研究Al~(3+)对人类、动物、植物和微生物的影响。

Results:The overall response rate was 48.57%. The main toxicity was thrombocytopenia, leucocytopenia and peripheral nervous toxicity.

结果：全组CR 2例，PR 15例，有效率48.57 %，主要不良反应为白细胞及血小板减少，外周神经炎。

Results show that, following the leaching time extending, the leaching concentrations of heavy metals and lixiviate toxicity of heavy metals increase in the fly ash. When the ratio of liquid and solid add, the leaching concentrations of heavy metals obviously become big, and the Cd's leaching concentration is the biggest, when the ratio of liquid and solid is 90, the Cd's leaching ratio exceed the percent of 70. At the time pH is about 7, the leaching concentrations of heavy metals are the lowest. When the grain size is the bigger or little, the leaching concentrations of heavy metals are lower, however when the grain size is 250-900 μm, the concentrations are higher. After fly ash melt in the high temperature, the lixiviate toxicity of heavy metals greatly reduce, which explains that the effect of melting on heavy metals' stabilization is very good.

结果表明，随着浸出时间的增加，飞灰绝大部分重金属的浸出浓度增高，浸出毒性增强；液固比增加，大部分重金属的浸出率大大提高，其中重金属Cd的浸出率最大，在液固比为90时，飞灰中的Cd的浸出率达到70%以上；pH为中性左右的时候，医疗垃圾飞灰中的大部分重金属的浸出液浓度最低；颗粒尺寸在较大或者较小时，医疗垃圾飞灰中的大部分重金属浸出浓度较小，大部分重金属在颗粒尺寸250～900 μm时，重金属的浸出浓度较高；飞灰高温熔融后，重金属的浸出毒性大大降低，说明熔融对重金属有很好的固化效果。

In the acute toxicity experiments, the 96h-LC50 were 1.0×105 cells·mL-1 for the intact algal solution and 8.0×104 cells·mL-1 for the lysate. In a 7 day subacute experiment on the larvae, higher concentrations of algal solution inhibited S. macrocephalus larvae. The toxicity of the algal solution was higher than that of the lysate at the same concentration.

在仔鱼96h的急性毒性实验中，微小亚历山大藻对仔鱼的96h理论半致死浓度分别为1.0×105 cell·mL-1、8.0×104 cell·mL-1，而在7d的亚急性实验中，高浓度藻细胞液对仔鱼的生长发育有一定的抑制作用，且相同浓度下，藻细胞液产生的毒性较藻细胞破碎液大。

In the acute toxicity experiments, the algal solution and breakup solution of the concentration of 96h-LC50 were 1.0×105cells/mL and 8.0×104cells/mL, respectively. In the subacute 7 days experiment of the larvae, higher of the algal solution has the inhibition effect on sparus macrocephalus larvae. The toxicity of algal solution was higher than that of breakup solution at the same concentration.

在仔鱼96h的急性毒性实验中，微小亚历山大藻对仔鱼的96h理论半致死密度分别为1.0105 cell·mL-1、8.0104 cell·mL-1，而在7d的亚急性实验中，高浓度藻细胞液对仔鱼的生长发育有一定的抑制作用，且相同浓度下，藻细胞液产生的毒性较藻细胞破碎液大。

With it, simple, mechanistically significant and highly predictive QSAR models were developed. These QSARs successfully model and predict the short-term phytotoxicity of substituted phenols involved both polar narcosis and bio-reactivity, the growth inhibition toxicity to Saccharomyces cerevisiae of substituted nitrobenzenes with mixed mechanisms of toxic action based on electrophilicity and the growth inhibition toxicity to Saccharomyces cerevisiae of large set of substituted benzenes with complex molecular structures and multiple mechanisms of action.

应用响应曲面分析方法建立了形式简单、意义明确并且具有高度预测性的QSAR模型，成功地预测了具有多种毒性机制的取代苯酚对高等植物的短期生长抑制毒性、具有多种亲电反应性机制的取代硝基苯对酿酒酵母菌生长抑制的反应性毒性以及结构复杂、机制多样的78种取代苯衍生物对酿酒酵母菌生长抑制毒性。

Determining Toxicity of Several Chemical Pesticides Against Olethreutes leucaspis in the Laboratory LI Rong-Xing, ZHONG Yi-Hai, CHEN Ze-Tan (Institute of Environment and Plant Protection, Chinese Academy of Tropical Agriculture Science, Hainan Province, Danzhou 571737, China) Abstract: Using a stomach poisoning method, the toxicity of five chemical pesticides to Olethreutes leucaspis Meyrick larvae was determined under laboratory conditions.

几种化学药剂对三角新小卷蛾的室内毒力测定李荣幸，钟义海，陈泽坦(中国热带农业科学院环境与植物保护研究所，海南儋州571737)摘要室内条件下采用胃毒法测定了5种化学药剂对三角新小卷蛾幼虫的毒力。

He experiment proved that pre-implantation embryos are more sensitive than post-implantation ones, suggested TCDD may exert its effect before implantation, or at this process. 3. The toxicity of TCDD on the early embryo can be of omnifarious. It can strongly inhibit DCR, which represent mother toxicity; It cause un-synchronizated cleavage of pre-implanted zygote and pre-implanted embryo loss; It also decreases implantation sites in the uterus, and continued to effecting the uterus of pregnant mouse, cause the decreased number of fetus before birth. 4. TCDD exposure changed reproductive hormone level of pregnant mouse.

CDD对胚胎的毒性影响可能是多方面的：强烈抑制子宫蜕膜细胞反应，表现出典型的母体毒性；虽然没有影响胚胎转运速度，但造成着床前胚胎的丢失和发育不同步；早期染毒降低了第9天的胚胎着床数，同时使出生前第18天胚胎成活数继续减少。

The toxicity and the osteogenous ability on the surface of PCHA: the toxicity was examined by coculture with PCHA to record growth of cells with MTT method. The osteogenous ability was investigated by observation of the formation and growth of cells on the surface of PCHA bone cement.

PCHA毒性检测和表面细胞活性的观察：将PCHA浸出液与骨髓基质细胞共同培养，通过MTT比色描记细胞生长曲线，快速判定制孔剂添加后PCHA的毒性反应；将PCHA制成标准试件，与骨髓基质细胞共同培养，观察细胞形态和生长活性。

Major toxicity was myelosuppression, followed by enteric reaction, dental ulcer, diarrhea and perineural toxicity.

毒副反应主要是骨髓抑制，其次为胃肠道反应、口腔黏膜炎、腹泻及周围神经毒性。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。