查询词典 essential resistance

Low resistance ohmic contacts are essential for improving the electrical and optical performance of GaN-based devices.

低阻欧姆接触是提高GaN基器件光电性能的关键。

Polycystic ovary syndrome , one of the most common endocrine diseases affecting women of reproductive age, plays an important role in anovulatory infertility, with a prevalence of up to 5%~21%; The main clinical manifestations include irregular menstruation (amenorrhea or infrequent menstruation or dysfunctional uterine bleeding), infertility, hirsutism, obesity and acanthosis nigricans. Elevated serum LH levels and hyperandrogenism, insulin resistance with compensatory hyperinsulinemia are its endocrinological features. Polycystic ovary morphology is also a common feature in PCOS. With the advance researches, PCOS displays its complexity and essential trend.

多囊卵巢综合征(polycystic ovary syndrome，简称PCOS)是育龄期妇女最常见的内分泌紊乱性疾病之一，在不排卵性不孕中占主要地位，发病率约5%～21%；主要表现为月经异常、不孕、多毛、肥胖及黑棘皮征，以高雄激素血症、促性腺激素异常、高胰岛素血症及胰岛素抵抗等内分泌学特征，以双侧卵巢增大呈囊性改变并间质增生为病理形态学基础的多系统疾病。

Early diagnosis of the disease and rapid identification of resistance to primary antituberculosis agents are essential for efficient treatment and control of multidrug-resistant strains.

因此，对主要抗结核药物如利福平的耐药性快速检测对于有效治疗结核病和控制耐多药株的流行是必不可少的。

All cultivars of citrus are susceptible to canker and highly susceptible when being artificially inoculated,implying that no function genes resistant to canker resistance have been identified in citrus,pthA is essential for the pathogen to cause hyperplastic canker symptoms on citrus.

然而，到目前为止，尚无一种能根除柑橘溃疡病菌的最佳方法，柑橘品种资源中亦未发现完全抗病的品种，长期的常规育种，也没有获得抗柑橘溃疡病的优良杂种，柑橘抗溃疡病育种没有取得实质性进展。

A pro-active defense serum formulated to help strengthen cellular resistance to environmental threats from air travel, climate and altitude changes, poorly ventilated areas, air conditioned spaces and city pollution. Made with 2% standardized time released green tea phytoliposomes, and supported by an organic 30% whole herb concentrate of sage leaf, Siberian ginseng, schizandra berry, grape seed and green tea, with essential oils of sweet orange, grapefruit, lavender and peppermint in an organic apple serum base.

这个皮肤保养处方含有作用持久的绿茶素和数种草药提炼剂如鼠尾草，西伯利亚人蔘，北五味子，葡萄仔，绿茶，加上甜桔香精，葡萄柚香精，讯衣草香精，薄荷香精等等，是用来加强脸部皮肤细胞的抵抗力，可以帮助抵抗不良环境如空中飞行，缺氧状态，乾燥气候，紫外线，冷气室下工作过久，环境污染等等对细胞的伤害。

One possibility of reconciling the role of peroxidases and their consequent effect on the NADPH oxidases encoded by members of the atrboh gene family is that apoplastic peroxidases are an initial rapid source of ROS and are essential for conferring at least partial resistance.

和解过氧化物酶的角色和他们的对NADPH 氧化酶的结果作用的一种可能性由atrboh 基因家庭的成员输入是， apoplastic 过氧化物酶是最初的迅速源泉的ROS 和是根本的为商谈至少部份抵抗。

It was in the War of Resistance Against Japan that the consciousness of self-strength burst out , which was the essential element for the victory.

正是在一次次的对外抵抗中，在一次次被欺侮的屈辱中，民众的义愤、民族的自强意识不断积累，在抗战中来了个总爆发。

From the view of coactions of both component of flow momentum and flow resistance in the direction of corrugations, the essential mechanism of the flow pattern in the channel between two chevron-type corrugation plates affected by corrugation geometric parameters was discussed.

从流体沿波纹方向的流体动量分量和流动阻力共同作用的角度，探讨了波纹几何参数对人字形波纹板片间流体流动形态的影响机理。

Due to the electrochemical reaction and Ohmic resistance, the proton exchange membrane fuel cell would generate heat internally as it is working. To keep the membrane-electrode assembly working at appropriate temperature is essential for maintaining good performance.

质子交换膜燃料电池运作时，由於电化学反应与欧姆阻抗等作用会由内部不断发热，此时其膜电极组是否能保持在容许温度范围内运作攸关其效能。

It is also essential, in instances where there is resistance to discussing ruminations, that the therapist try to identify and dismantle those barriers.

同样必不可少的是，对于哪些阻碍我们的沉思的东西，也应该采取措施去标识和消除。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。