| 1. | Potassium one of the essential elements in plants
钾：植物体的必需元素之一。 |
| 2. | Effects of welding on contents of blood essential elements among welding workers exposed to manganese
电焊作业对工人血液中必需元素的影响 |
| 3. | Effect of aluminum chelating agent on liver zymogram and on essential elements of rats induced by aluminum
铝螯合剂对染铝大鼠肝酶谱及必需元素影响 |
| 4. | Iron is an indispensable element to any living being , which is closely interconnected to body health
摘要铁是一切生命体不可或缺的必需元素，与人体健康的关系甚为密切。 |
| 5. | Different concentrations or different species of selenium may be essential or toxic for organism
形态与浓度不同的硒化合物可能是生物体的必需元素，同时也可能导致中毒。 |
| 6. | These foods , zeng said , are high in protein or essential elements and accelerate children ' s growth
曾医师说，这些食物里富含蛋白质及生命必需元素，能够加速儿童的生长发育。 |
| 7. | Describes and gives sample values for the individual elements , both required and optional , that appear in a skin definition file
描述外观定义文件中出现的各个元素（必需元素和可选元素）并提供示例值。 |
| 8. | Cd was the unnecessary element of plants . the high concentration of cd in environment was harmful for development and growth of plants
Cd是植物的非必需元素，环境中cd含量过高就会影响植物的生长发育。 |
| 9. | Sodium an element found in all terrestrial plants , although it is believed not to be essential in most , with the exception of some salt - tolerant c4 plants
钠：在所有陆生植物中均能发现的一种化学元素。除了一些耐盐c4植物，钠对其余大多数并非必需元素。 |
| 10. | An important way to monitor the necessity for and effectiveness of treatment is ekg monitoring ( for example , prolongation of the q - t interval may indicate hypocalcemia )
监测必需元素和治疗效果的一个重要方法是ekg监测(例如， q - t间隔的延长可以指示血钙过少) 。 |
