Once you have been infected with H. pylori, the bacteria tends to cause a long period of low-grade inflammation in the stomach.
一旦你感染了幽门螺杆菌，它会在你的胃里长期存在，而只造成较小的炎症。
The poorest families were excluded from the three grades, and were regarded as "the families below the low-grade".
吴简中的普通民户按财产分为上品、中品和下品三个等级，而一些赤贫户则被划在这三个等级之外，称为“下品之下”。
China is rich in green tea resources, low-grade green tea as a good feed additive in the aquaculture industry has a bright future.
我国绿茶资源丰富，低档绿茶作为一种良好的绿色饲料添加剂在养殖业中具有广阔的应用前景。
However, more than 1,000 tons are low-grade and hard to smelt.
然而其中1 000多吨是低品位难选冶金矿。
A low-grade resource is not necessarily a low-quality resource..
等级低的资源未必是质量低的资源。
Se is a kind of scarce and scatter element, and it is very low-grade ore in mineral.
硒是一种稀少而又分散的元素，矿石中其品位一般都很低。
In the patients who were diagnosed newly, low-grade hypertension accounted for 61.74%.
在新检出的高血压患者中，轻度高血压占检出高血压患者的61.74%。
It is more important in mining a low-grade complex orebody due to its special geological conditions.
低品位复杂矿体由于其特殊的地质情况，采场管理工作显得尤其重要。
The paper introduces the research of mineral processing test of some low-grade copper oxide ore in Yunnan.
本文主要针对云南某地低品位氧化铜矿样进行了选矿试验研究。
Therefore the biological method to treat low-grade copper and nickel sulfide ore is effective and practical.
细菌浸出法处理低品位硫化铜镍矿是行之有效的方法。
The categories of the bacteria and its leaching mechanism are key factors for the bioleaching of low-grade ore.
微生物种类及其作用机理是浸出低品位矿石的关键所在。
This paper describes the structure and properties of realgar and flotation tests of Hunan low-grade realgar ore.
本文在描述雄黄矿物的结构和性质的基础上，介绍了湖南雄黄矿低品位矿的浮选试验。
The Mn recovery is over 80%, a new process of enriching and recovering Mn from low-grade manganese carbonate ore.
采用该工艺的锰回收率达80%以上，是一种从低品位碳酸锰矿富集回收锰的新工艺。
The method, experimental equipment and results of column leaching were presented for low-grade copper sulfide ore.
介绍了含砷低品位硫化铜矿柱浸实验研究方法、装置和结果。
Objective To evaluate the application of the stereotactic volumetric resection for the surgery of low-grade gliomas.
目的探讨立体定向等体积切除术在低级别胶质瘤手术中的应用价值。
The successful renovation provided a feasible method to retrofit some boilers with lower heights and burning low-grade coals.
为燃用贫煤、烟煤和煤矸石等劣质燃料且锅炉炉膛高度较低的电站技改，提供了一种切实可行的方法。
The low-grade lubricant market exhibits large potential thanks to thepopularization of agricultural vehicles and farm machinery.
由于农用运输车、农机具等的普及推广，低档油市场潜力仍较大。
A thermal process utilizing the fluidized-solids technique for continuous conversion of heavy, low-grade oils into lighter products.
采用流化固体技术使低级重质油转化为轻质产品的热加工过程。
This paper will also be an important reference for the research and development of liquid thermoacoustic engines with low-grade heat source.
该文也将是研究和开发低品位热源液相热声热机的重要参考。
Conclusion Metaplastic thymoma is a rarely encountered indolent or low-grade thymic tumor and may represent a distinct clinicopathologic entity.
结论化生性胸腺瘤是一类罕见的具有独特临床病理特征的良性或低度恶性胸腺上皮来源肿瘤。
Conclusions Squamoid eccrine ductal carcinoma is an exceedingly rare low-grade malignant tumor and can recur after excision but do not metastasize.
结论鳞样小汗腺导管癌是一种非常罕见的低度恶性肿瘤，局部切除后可复发，未见转移报道。
Based on some experiments, low-alkali cement with high-performance was produced by using low-grade limestone, powdered sandstone and bauxite slag, etc.
在试验基础上，突破传统的水泥配料模式，利用低品位石灰石、砂岩、矾士渣等生产出了高性能低碱水泥。
Oxidation roasting was a pretreatment technique for low-grade and complex siderite, the parameters of oxidation roasting were important to roasting efficiency.
氧化焙烧是解决低品位复杂难选菱铁矿的有效前处理工艺，氧化焙烧参数对焙烧效果影响很大。
Prenatal exposure was not associated with risk of high - or low-grade astrocytoma, ependymoma, germ cell tumor, or other rare or incompletely specified tumors.
生前暴露与高或低级别星型细胞瘤、室管膜细胞瘤、生殖细胞瘤或是其他少见的尚未明确分类的肿瘤的发病风险没有关系。
Brown coal: a low-grade coal which commonly retains the structures of the original wood. It is high in moisture, low in heat value and checks Badly upon drying.
褐煤：一种低质煤，往往保存着原来的木质结构，高水分，低热值，干燥后龟裂严重。
If you have a low-grade fever that persists for three weeks or more, but have no other symptoms, your doctor may recommend a variety of tests to help find the cause.
如果你发烧温度不高持续三周，但没有其他症状，医生也许会建议你做些检测来帮助发现病因。
If you have a low-grade fever that persists for three weeks or more, but have no other symptoms, your doctor may recommend a variety of tests to help find the cause.
如果你发烧温度不高持续三周，但没有其他症状，医生也许会建议你做些检测来帮助发现病因。
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