引起因素

Ultrastructural observations showed that, 10 minutes after ischemia, amorphous matrix dense bodies appeared in most of the mitochondria and the nuclei exhibited margination of chromatin.

上述结果提示，在心肌缺血早期，缺氧是造成不应期缩短的主要原因，而代谢产物和K~的蓄积则可能是引起传导阻抑的重要因素，并有加强缺氧所致心肌损伤的作用。

There is always a controversy about inhibition of growth and development of maxilla resulting from surgical treatment or intrinsic defect in cleft lip and palate.

唇腭裂患者的颌骨发育畸形是由早期手术造成的，还是由于唇腭裂畸形本身的内在因素引起的，长期以来一直是争论的课题。

But owing to artificial and natural influence , the mountain tall grass meadow appears degeneration in varying degrees . It is not only that influence herdsmen income , but result in instability of grassland ecosystem .

但由于人为和自然因素的影响，山地高草草甸出现不同程度的退化，这不仅影响牧民收入的提高，更重要的是引起草地生态系统的不稳定，从而对人们生活，生产环境造成很大影响。

Clinical Efficiency of Meningococcus Group A Capsular Polysaccharide Vaccine in Children Three Months to Five Years of Age Cellular and Humoral Components of Monocyte and Neutrophil Chemotaxis in Cord Blood Oral non-absorbed Antibiotics Prevent Infection in Acute non-lymphoblastic Leukemia Aspirin-induced Hepatotoxicity and Its Effect on Juvenile Rheumatoid Arthritis Prediction of Morbidity in Hemophilus Influenzae Meningitis Neurological Sequelae in Children Surviving Mechanical Ventilation in the Neonatal Period Developmental Effects of Prolonged Pregnancy and the Postmaturity Syndrome Long-term Outcome of Hemophilus Influenzae Meningitis Related to Antibiotic Treatment Recommendations for a National Policy on Poliomyelitis Vaccination Impaired Humoral Immunity in Treated Hodgkin's Disease Development of Immune Response during Typhoid Fever in Man In Vitro Susceptibility of Recently Isolated gram-negative Bacteria to Gentamicin, Sisomicin, Tobramycin, and Amikacin Studies of Urticaria and Acute Serum Sickness with the CI Precipitin Test Epidemic Measles in a Highly Vaccinated Population Congenital Chloride Diarrhea Acute Parotitis Associated with Influenza, Type A: Twelve Cases Urinary Tract Infection in high-risk Newborn Infants Maternal ABO Blood Group Type B: A Risk Factor in the Development of Neonatal Group B Streptococcal Disease

脑膜炎双球菌A羣被囊多醣类疫苗接种在3个月到5岁大小孩之临床效果脐带血内单核球及嗜中性球化学向性之细胞成分及体液成分口服不被吸收的抗生素可预防性急非淋巴球性白血症病人罹患感染阿斯匹灵引起之肝毒性及其对幼年性风湿样关节炎之影响流行感冒杆菌脑膜炎预后之预测新生儿时期接受人工呼吸器其日后神经系统上之后遗症过期妊娠及过度成熟徵候对发育之影响流行感冒杆菌脑膜炎之长期预后与抗生素治疗之关系对"小儿麻痹预防接种的国家政策"的建议 Hodgkin's disease治疗后体液免疫之缺损伤寒患者免疫反应的研究目前分离出来的革兰氏阴性菌在体外对Gentamicin，Sisomicin，Tobramycin和Amikacin之感受性荨麻疹和急性血清病CI沉淀素试验的研究在大多数接种人羣发生的麻疹流行先天性氯腹泻与influenza A型病毒有关的急性腮腺炎：12病例报告高危险性新生儿的尿道感染母亲血型B型：为新生儿发生B羣链球菌疾病之个危险因素

Investigation also discovered that the test samples showed antagonic on the increase of micronucleus rate induced by other factors.

试验还发现试样对其他因素引起的微核率的增加有拮抗作用。

On account of the complexities of mineralogical composition, structure and bond, the factors of leading to the variation of color are complicate.The color of a mineral is often the effect of many factors.

矿物的成分、结构和键型是复杂的，所以引起矿物颜色变化的因素也是复杂的：一种矿物的颜色往往是多种呈色机制的总效应。

One of the important ways to avoid mistranslation is to reveal the factors responsible for misinterpretation and cultural conflicts underlying the languages.

揭示这些引起误会和文化冲突的因素，是克服英汉误译的重要途径。

On the basis of these results, the estuarine mixing type and characteristics, and the formation and development of maximum turbidity zone, and the morphodynamics of intertidal mudflat evolution, and the effects on hydrodynamic and sediment environment caused by estuarine regulation are analyzed in detail. Finally, it is pointed out that the multi-disciplinary study, the numerical simulation and prediction by use of mathematical models, and the quantization of the hydrodynamic and sedimentary processes are the focal issues in future.

在系统总结近年主要相关研究成果的基础上，着重讨论了强潮河口的混合类型与特征、最大浑浊带的形成发育与主因、潮滩地貌的动力影响因素与演变过程、河口综合治理的特点与人类活动引起的水沙变异等问题，并指出多学科交叉、数学物理模拟与预报、水沙动力机理与过程的量化等方面是未来研究重点与方向。

Gender, birth count, gestational age, birth weight, duration of oxygen therapy and vascularization development of posterior and peripheral retina examined by binocular indirect ophthalmoscope after mydriasis were recorded.

早产儿视网膜病变是一种早产儿视网膜血管异常发育和纤维增生所导致的病变，已成为世界范围引起早产儿致盲的主要原因之一[1，2]，其危险因素主要包括孕龄、出生体重和氧疗史等[3，4]。

Objective:To analyze the risk factors of myelopathy induced by intrathecal methotrexate .

目的：分析鞘内注射甲氨蝶呤引起患者脊髓病变的风险因素。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。