无影响的

The degree of mitral stenosis had no effect on the efficiency of PBMV.

不同的狭窄程度对手术效果无显著的影响。

If the thyroid function of mother and infant have effect on the intellectual development in neonate and infant?

母婴的甲状腺功能对婴儿的智能发育有无影响？

No effect of temperature was observed in 1 and 2 week-old rats.

温度对1周和2周龄乳鼠的海马脑片tau蛋白的表达无影响。

1Department of Periodontology, Affiliated Stomatological Hospital, Fujian Medical University, Fuzhou 350002, Fujian Province, China; 2Laboratory of Oral Tissue Engineering, Fujian Medical University, Fuzhou 350002, Fujian Province, China

提示富血小板血浆可促进新西兰兔颅骨缺损修复，60，1 000 U/mL凝血酶对富血小板血浆修复新西兰兔颅骨缺损的作用无影响，可能与并未找到凝血酶的最佳浓度有关。

The protein had the specificity on substrate recognition, which could decompose 3,4-dihydroxybenzoic acid to catechol but not 2,4-dihydroxy- benzoic acid to resorcin. The ligand at C-3 site of benzene ring had no effect on enzyme activity.

蛋白质还具有底物识别的特异性，能够催化3，4-二羟基苯甲酸转化为邻苯二酚，而不能催化2，4-二羟基苯甲酸转化为间苯二酚，这表明苯环上3'位的配基对酶活无影响。

Result: Ethyl acetate extract of sappanwood can evidently reduce the content of CD4~+ of T cell and the ratio of CD4~+/ CD8~+, moreover have no infection on the content of CD8~+ of T cell.

结果：苏木乙酸乙酯提取物组同空白对照组相比能明显降低CD4~+T细胞含量并降低CD4~+/CD8~+的比值，而对CD8~+T细胞的含量无影响。

According to the transformer's equivalent circuit, the value of the current injected to the transformer's secondary winding is controlled, so that the value of transformer impedance in power system can be controlled.

本方案将变压器的一次侧串联接入电网，在电力系统正常运行时，变压器主磁通为零，故障限流器呈现很小的变压器一次侧漏阻抗，压降很小，对电力系统运行无影响。

Secretin was without effect on gastric smooth muscle activity.

而促胰液素对各部位肌条的收缩活动无明显的影响。

In this thesis, four aspects of research in soybean isoflavone were done.

三种浸提方法对大豆异黄酮的抗氧化活性均无显著的影响。

The pattern of energy allocation in starveling fish is independent of body weight and temperature.

体重和温度对饥饿鱼的能量收支式无明显的影响。

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