Many private cars emit toxic gases which contain many chemical substances that are carcinogens.

Incomplete combustion is the principal source of man-made carcinogens.

不完全燃烧是人为致癌物的主要来源.

The airborne carcinogens are in the atmosphere as absorbed matter on soot particles.

空气传播的致癌物在大气中是烟炱粒子上吸附的物质.

Some potential carcinogens and mutagens have also been identified in irradiated foods.

在辐照的食品中已经鉴定出有一些潜在的致癌及致变物质.

Fungus-derived carcinogens include the aflatoxins and fumonisins.

真菌产生的致癌物质包括黄曲霉毒素和串珠镰孢菌毒素.

Carcinogens may turn healthy cells into cancer cells.

致癌物质能使健康细胞变成癌细胞。

Other samples turned up carcinogens, including nitrosamines according to the agency.

另一样品中发现致癌物, 包括亚硝胺类.

Nitrites are potential carcinogens, and controlling their concentrations is important for maintaining a safe food supply.

亚硝酸盐是潜在的致癌物质, 控制其浓度对保障食品安全非常重要.

Chemical carcinogens generally require metabolic conversion to some form of " ultimate " carcinogen.

化学致癌物一般需要通过代谢来转换成某种形式的 “ 最终 ” 致癌物.

Purpose To investigate the clinicopathological features and immunological phenotypes of tubular carcinoid of appendix.

目的探讨阑尾管状类癌的临床病理特点及免疫表型.

Objective To investigate the clinical and pathological features of ovarian carcinoid.

目的探讨卵巢类癌的临床及病理组织学特征.

Objective To study the classification and treatment modalities of lung carcinoid tumor.

目的探讨肺类癌的分类及治疗方法.

Purpose : To retrospective study the X-ray diagnostic features carcinoid of the lung.

目的:分 析支气管肺类癌的临床及 X 线表现特点.

One-year survival rate. % in pancreatic neuroendocrine tumor patients and 83.4 % in carcinoid patients.

胰腺神经内分泌肿瘤患者的一年生存率. %,而类癌患者的一年生存率83.4%.

Objective To describe the clinical features of the bronchial carcinoid.

目的提高对支气管类癌的认识.

This illustration shows the typical morphology of a carcinoid tumor.

下图为典型的肾类癌表现.

Objective To explore the effect of clinical features on cure days for carcinoid inpatients.

目的分析良胜肿瘤住院病人的临床特征对其治愈天数的影响.

Rarely, a malignant carcinoid tumor can occur as a large bulky mass.

很少有恶性类癌发展到体积很大。

One-year survival rate % in pancreatic neuroendocrine tumor patients and 4 % in carcinoid patients.

胰腺神经内分泌肿瘤患者的一年生存率%,而类癌患者的一年生存率4%.

One-year rate was 81.1 % in pancreatic neuroendocrine tumor patients and 83.4 % in carcinoid patients.

胰腺神经内分泌肿瘤患者的一年生存率为81.1%,而类癌患者的一年生存率为83.4%.

Metastatic carcinoid to the liver can rarely result in the carcinoid syndrome.

转移到肝脏的类癌很少导致类癌综合征.