有毒性的

ConclusionThere is good cytotoxicity of the ethyl acetate and acetone extracts from Alocasia macrorrhiza to tumor cells, and no obvious acute toxicity has been observed.

结论醋酸乙酯和丙酮提取物有较好的细胞毒活性，没有明显的急性毒性，这两部分有较好的抗肿瘤前景。

ConclusionThere is good cytotoxicity of the ethyl acetate and acetone extracts from Alocasia macrorrhiza to tumor cells, and no obvious acute toxicity has been observed. Therefore these two parts have good anti-tumor prospects.

结论醋酸乙酯和丙酮提取物有较好的细胞毒活性，没有明显的急性毒性，这两部分有较好的抗肿瘤前景。

Pathological studies also showed more tissue damage in the group with Fluorescence humic acid and arsenic injection than the group with Fluorescence humic acid injection only.

病理切片研究也发现注射萤光腐植酸加砷的一组，组织伤害远比只注射萤光腐植酸的一组严重，这也似乎表示萤光腐植酸的确有致病能力，而砷对萤光腐植酸的毒性则有加强作用。

Methods and Materials Experimental Design Our general experimental design was to first evaluate the effects of antibiotic pretreatment by conducting metal toxicity tests with brine shrimp cysts that had and had not been pretreated with antibiotics.

材料与方法试验设计我们一般实验设计是第一次评价的影响，抗生素进行预处理金属毒性试验与卤虫囊肿有和没有预处理抗生素。

Results 2 parallel detection method chancre hard,flat condyloma and syphilitic rash of patients have significant differences,and the detection rate is a greater difference,PCR results from the higher than RPR.

结果 两种方法平行检测硬下疳、扁平湿疣及梅毒性斑丘疹患者的结果差异有统计学意义，其检出率也有较大的差异，PCR检测所得的结果均比RPR高。

Nonplatinum cytotoxic doublets are acceptable for patients with contraindications to platinum therapy.

对于铂类药物有使用禁忌的患者则推荐使用两种非铂类细胞毒性药物联合方案。

In it, John Hohneker, MD, vice president, US clinical development and medical affairs in the oncology division at Novartis, notes that supplemental data available on the Nature Medicine Web site indicates that all of the patients who suffered cardiotoxic side effects from the drug had NYHA class 1 functioning and normal left ventricular ejection fractions.

信中提到，我们藉此提供您有关Gleevec和自然医学线上版的一篇近来受到媒体关注的文章的讯息；信中，Novartis肿瘤部门之美国临床发展与医疗事务副总裁John Hohneker医师指出，因此药所致之心脏毒性副作用是属于NYHA class 1且仍有正常左心室射出分率，相关资料可在自然医学网站上获得；些病患数本来就有类似状况，如高血压、糖尿病和冠状动脉疾病。

These growth factors have the effects of neurogenesis, angiogenesis, neurotrophy, inhibitory excitoxity induced by glutamate and NMDA, and anti-oxidative, by these ways they can prevent neural cells from death.

这些生长因数均有保护神经细胞避免因为脑损伤而造成的死亡，其作用有神经生长性、血管生长性、神经滋养性、抑制麸氨酸盐与NMDA所引发的兴奋性毒性及抗氧化作用，但是这些仅限於动物模式，应用於临床还有一段艰辛的历程。

Types of pollutants which are negatively impacting health include litter, toxic chemicals, nuclear waste, lead, spoil from mining, food and water contaminants; and the polluting effects of overpopulation.

对人类健康有负面影响的污染物之种类有废弃物、毒性化学物质、核废料、铅、从采矿、食物产生的废弃物，和水污染物；和人口过剩的污染影响。

The current hematopoietic stem cell mobilizers unavoidably have certain side effects in different ways and some of which are even of severe toxicity.

目前应用的造血干细胞动员剂都有这样或那样的副作用，甚至有较大毒性。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐