查询词典 low grade

The oil shale of this area have four types, including mudstone, calcareous mudstone containing silty band, marlite and shale, and the former two are main types. The recoverable oil shale composed of 50% low-grade, 42% middle-grade and 8% highgrade oil shale. All of them are high-ash oil shale.

油页岩类型有泥岩、具粉砂质条带的含钙-钙质泥岩、泥灰岩和页岩4种类型，以前两者为主；低品级油页岩体积分数为50％，中品级油页岩体积分数为42％，高品级油页岩体积分数为8％，均属高灰分油页岩。

By way of integrating the relative theories of marketing strategy and the present market situation of rubber oil and Unite Lube Oil Company, it is concluded that naphthene type rubber oil shall take part in the middle-grade rubber oil target market competition while the aromatic type rubber oil shall take part in the low-grade rubber oil target market competition. The reason is that the former has the advantage of advanced total cost and the later has a variety of products.

论文通过运用市场营销学和市场竞争战略相关理论，结合橡胶油市场现状和优特润滑油公司实际情况，研究得出环烷型橡胶油以总成本领先战略参与中档橡胶油目标市场竞争，芳香型橡胶油以产品差别化战略参与低档橡胶油目标市场竞争的结论，并提出了优特润滑油公司保证总成本领先和产品差别化的措施。

Comparison of recurrent and nonrecurrent tumors showed that high grade tumors tended to be significantly associated with recurrent tumors, whereas low grade variants were more frequent in the nonrecurrent group; recurrent tumors invaded into deeper anatomic levels than nonrecurrent tumors.

复发性肿瘤与非复发者相较，高级别肿瘤与复发显著相关，而低级别肿瘤更易出现在非复发组中；复发性肿瘤浸润正常组织的深度大于非复发性肿瘤。

Among them, 39 cases were in low grade ,31 cases in high grade and 4 cases had the ependyma tumor. All the patients received radiotherapy in 3-4 weeks after operation. Thirty-one cases were performed total resection, 38 cases balk-resection and 5 cases partial resection.

对脑胶质瘤低级别39例、高级别31例及室管膜瘤4例均进行手术切除，其中肉眼肿块全切31例，大部切除38例，部分切除5例，均在手术后3~4周内接受放射治疗。

And we consider that the firm's labor force allocation mode in our country following an evolutionary process. Its progress is from depending on low-grade and methodic state firm's interior labor force market to out-of-order firm's labor force market which is made up of state, private and foreign firms. And it is possible self-organizing to depending on high-grade and methodic firm's interior and exterior labor force market.

首先，本文运用演化动力学中的耗散结构和自组织理论，对二十多年来我国企业的劳动力配置方式进行了演化分析，认为我国的企业劳动力配置方式是从依靠低级有序的国有企业内部劳动力市场到由依靠国有企业、私营企业、外资企业等组成的无序企业劳动力市场的演化过程，它将有可能自组织发展到依靠高级有序的企业内部劳动力市场和企业外部劳动力市场。

The distribution of PA I-1 protein was mainly in tumor cells of high-grade astrocytomas, particularly abundant in areas of vascular proliferation and in tumor cells surrounding necr otic foci, whereas it was only weekly expressed in low-grade astrocytomas.

PAI-1蛋白主要分布在高级别星形细胞瘤的瘤细胞和内皮细胞，尤以血管增殖部位和坏死灶周围较为显著，低级别星形细胞瘤呈低表达。

Abstract］ objective to discuss radiological findings of parosteal osteosarcoma on emphasis combined with clinical pathology and literature.methods 4 cases of parosteal osteosarcoma proved by operation and pathology were analyzed retrospectively.results female was 3 cases,male was 1 case,average age was 30.5 years old,these tumors were arised on posterior border of distal femur and popliteal cavity,presented as lobular dense ossified mass,defined lesion.one case had villose margin.a thin narrow lucent zone separated the mass from the cortex at two cases.one case underwent angiography,there was no malignant feature.conclusion parosteal osteosarcoma may be divided into low-grade type and high-grade type.radiological manifestations of early stage possess character,early diagnosis conduces to establish rational treating plan and evaluate prognosis.

目的 结合临床病理学特征和文献资料，重点讨论皮质旁骨肉瘤的x线特征。方法收集经手术、病理证实的皮质旁骨肉瘤病例4例，对其进行回顾性分析。结果 4例患者女3例，男1例，平均年龄30.5岁，肿瘤均发生于股骨远端后侧和腘窝处，表现为分叶状致密骨化肿块，边界清晰，其中1例边缘呈绒毛状改变，2例有细窄透亮带与骨皮质相隔，1例行血管造影，未见血管池等恶性征象。结论皮质旁骨肉瘤分为低度恶性和高度恶性两种，早期影像学表现有特征性，早期诊断有助于制订相应的治疗方案和评估预后。

Most of these non-lipogenic elements appear like fibrosarcoma or MFH, and often display features of high grade sarcoma. Sometimes, the sarcomatous elements are that of a low grade fibrosarcoma (consisting exclusively of spindled cells).

大部分非脂肪肉瘤成分镜下很像纤维肉瘤或恶性纤维组织细胞瘤，并且通常显示的是高级别肉瘤的特征。

Conventionally, considerable high-grade fan and pump electricity is consumed to deliver low-grade energy for room comfort temperature control and ventilation.

通常，大量高品位的风机和水泵电力被消耗用于传输低品位的能量来满足室内舒适温度控制和通风的需要。

In pace with high-grade ores reduced, development of low grade ores, gangues and tailings becomes more and more important.

在富矿资源日益减少的今天，贫矿资源、废石及尾矿等非传统资源的开发利用越来越受到重视。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。