查询词典 low grade

The quality of black soil was best, but 7.97 percent of phaeozem had been changed into middle grade or low grade land.43 percent of chernozem belonged to middle and low product field, thus the black soil degenerated seriously. Since slightly sand soil kept better land quality, the soil might be exploited through intensification of sand regulation and farmland protection.

结果表明：研究区土地质量总体东部优于西部，黑土地质量最好，但已有7.97%的黑土已成为中等或差等土地，黑钙土有43%属于中低产田，黑土地退化严重；轻度沙化土地仍保持较好的土地质量，加强沙化治理与耕地保护，仍可发挥其生产潜力。

The results showed that the amorphous iron oxide has highly catalytic activity. The intermediate products are pyrocatechin, hydroquinone, benzoquinone and low-grade fatty acid. The mechanism of catalyst oxidation is assumed that the free radical OH attacks benzene cycle at the adjacent position and para-position of OH on phenol so that the benzene cycle is opened and low-grade fatty acid is produced and transformed into CO2 and H2O.

结果表明，非晶铁氧化物催化剂在催化氧化降解苯酚时具有较高的催化活性，苯酚降解的中间产物有：对苯二酚、邻苯二酚、苯醌和低级脂肪酸，其降解机理是羟基自由基攻击苯环上OH的部位或对位而使苯环开环，生成低级脂肪酸，并最终转化成二氧化碳和水，从而使苯酚得以降解。

The craft of preparation manganic manganous oxide from low grade rhodochrosite,can not only solves the problem of high cost of manganic manganous oxide,but also achieves the resources maximizing and solves low grade or abandoned Mn-core resource outlet question.Therefore,this craft has enormous economic efficiency and social efficiency.

贫菱锰矿制备四氧化三锰工艺，不仅解决了四氧化三锰生产成本高的问题，同时还做到资源的利用最大化，并且解决了大量的贫锰矿石和废弃锰矿石出路问题，具有极大的经济效益和社会效益。

The effective treatment of low-grade sulfurous ore and the recovery of valuable minerals are of great significance for the sustainable development of mine and for the pollution reduction of low-grade pyrite.

寻找处理低品位硫矿石的有效方法，回收宝贵的有价矿产资源，对矿山的可持续性发展，减少低品位硫铁矿对环境造成的严重污染具有重要的意义。

Results Cardiac functions recover to grade Ⅰ in 25 cases,grade Ⅱ in 6 cases,postoperative low-grade reflux of mitral valve in 12 cases,low-grade reflux of tricuspid ...

结果25病人心功能恢复到I级，6例II级。12例病人术后二尖瓣轻度返流，4例三尖瓣轻度返流，1例二尖瓣中重度返流。

Methods Nuclear β-catenin expression was detected by immunohistochemistry in 77 lesions with desmoid-type fibromatosis and 171 other spindle cell lesions, including superficial fibrmoatosis (n=18), nodular fasciitis (n=36), keloid (n=16), scar (n=10), granulation tissue (n=9), synovial sarcoma (n=38), neufibroma (n=13), solitary fibrous tumor (n=12), gastrointestinal stromal tumor (n=10), low-grade myxofibrosarcoma (n=3), low-grade fibromyxoid sarcoma (n=3), and smooth muscle tumor (n=10). In addition, the immunohistochemical expressions of ER-α, ER-β and Ki-67 were examined in all of the lesions with desmoid-type fibromatosis. The nuclear immunohistochemical staining for nuclear βcatenin and ER-β was graded as high level (≥25% of cells), low level (5%-25%) or none.

采用免疫组织化学染色法检测77例韧带样型纤维瘤病和171例其它良、恶性梭形细胞病变（包括结节性筋膜炎36例、浅部纤维瘤病11例、瘢痕疙瘩16例、增生性瘢痕10例、肉芽组织9例、滑膜肉瘤38例、神经纤维瘤13例、孤立性纤维性肿瘤12例、胃肠间质肿瘤10例、低度恶性黏液纤维肉瘤3例、低度恶性纤维黏液样肉瘤3例及平滑肌肿瘤10例）组织中β-catenin核阳性的表达，同时检测韧带样型纤维瘤病中ER-α、ER-β和Ki-67的表达。

Results Of 62 cases of PMLGI, 6 cases were low grade malignant B-cell lymphoma of MALT type, 14 cases high grade malignant B-cell lymphoma of MALT type with a low grade malignant component, 1 case lymphomatous polyposes, 2 cases Butkitt-like lymphoma, 38 cases B-cell large cell lymphoma and 1 case intestinal T-cell lymphoma.

结果：62例PMLGI中，低度恶性B细胞粘膜相关组织型淋巴瘤6例，高度恶性B细胞粘膜相关组织型淋巴瘤伴低恶成分14例，淋巴瘤性息肉病1例，Burkitt样淋巴瘤2例，B大细胞淋巴瘤38例，肠道T细胞淋巴瘤1例。

In order to meet the market development, our factory introduced a 55% focus on content protopine, protopine content 60%, 65% content protopine, and 70% content protopine, 75% and 80% and other low-grade protopine, low-grade films alkali, low-level protopine, and 90% content of 92% and other non-GB Product in order to adapt to different manufacturers and the general needs of distributors, products are exported to Shandong, Jiangsu, Zhejiang, Anhui, Guangzhou and other places, by our customers trust and.

为适应市场发展我厂重点推出了55%含量片碱，60%含量片碱，65%含量片碱，和70%含量片碱，75%和80%等各种低度片碱，低度片碱，低含量片碱，以及90%含量92%等非国标产品，以适应不同厂家和广大经销商的需求，产品远销山东，江苏，浙江，安徽，广州等地，深受客户的信赖和欢迎。

Methods(1) The behavioral frequency of male on chase,fighting,mounting of norway rat which divited into five groups,every group had 6 individuals that containing sterilely high grade(2,group 1),major low grade(5,group 2),fewer low grade(2,group 3),mixing with normal individuals 4,1,4 making 3 groups together with 6 sterile individuals(group 4) and 6 normal males(control,group 5) then constituting in 5 groups were obser...

方法(1)春季将30只雄性褐家鼠分为5组，每组6只；其中不育高等位鼠2只、多数低等位鼠5只、少数低等位鼠2只，混以普通可育鼠4、1、4只作为1~3组，不育鼠6只和正常可育鼠6只为第4组和对照组，观察其追逐、斗殴、爬跨行为。

Wooden Packaging Factory—mainly produces high, middle and low grade packaging boxes by fine timber, including: high grade polished packaging boxes, gift boxes, packaging boxes for cigarette, wine, sugar, tea, nutriments, artworks and commodities, high, middle and low grade watch boxes, high grade jewel boxes, wooden artworks, etc.

木艺包装厂---主要以优质的木材，制作各种高、中、低档包装盒，其中包括：高档亮光类包装盒、各种礼品盒、各种烟酒糖茶包装盒、各类营养品包装盒、各类工艺品包装盒、各类日常用品包装盒、高中低档钟表盒、高档首饰盒、木制工艺品等。

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。