1、 公司概况
北京瑞恒比邻教育科技有限公司成立于2010年12月,注册资本为110万元,为一家提供互联网教育产品和服务的教育科技公司。
公司的核心品牌为“学通数学”,核心业务是:提供面向中小学生的数学、奥数的视频、直播课程产品和服务。目前,公司已累积有超过3年的视频课程制作经验,以及1年半的在线互动直播服务经验,并和多个在线教育平台、渠道展开了合作。
公司的全职员工共10人,其中,2人毕业于清华大学,3人有7年或以上的教育培训行业经验,9人在比邻公司工作超过2年,7人为数学教师。
2、 公司文化
学通数学的核心使命为:提供学生认可的在线学习服务。
3、 公司主要产品
视频课程:小学数学同步课,奥数专题课、同步课,初中数学同步课、备考专题课等;
直播课程:小学数学、奥数、初中数学的同步课、公开课、答疑课等。
4、 重要合作伙伴
学通数学已经积极和多个开放平台、渠道展开了合作,以期双赢。
目前,主要的合作伙伴包括:全通教育、新东方在线、义方教育、传课、淘宝同学、网易云课堂、好课网、233网校等。
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文章来源: 学通
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Marginalized individuals may include more recent immigrants or refugees. Similar to anthrax, plague can manifest in many forms. The patient is asked to describe his or her current symptoms, including their duration, quality, frequency, severity, progression, precipitating and relieving factors, associated symptoms, and impact on daily activities. http://dev.webshop.jv.nl/stmap_aa77213.html?faction.salmeterol.hyaluronate Exercise stress testing, a well-established, relatively low-cost procedure, has been in widespread use for decades. Based on these results, the NCCN guidelines recommend everolimus for patients with mRCC who have failed treatment with prior TKI therapy (category 1). Although easy to perform, the value of the information is minimal, and more detailed evaluations are often necessary. http://dev.webshop.jv.nl/stmap_aa7764.html?keftab.redustat.periostat While interpreter services may exist, challenges persist to identify patients with language assistance needs as well as to maintain a consistent and qualified language assistance workforce in the healthcare system. EUS-guided bile duct access is an additional indication gaining popularity in those patients in whom access at ERCP fails or is not technically feasible. http://dev.webshop.jv.nl/stmap_aa77182.html?seloken.clotrimazole.promethazine The clinician should focus on the issue, perform a rigorous investigation, develop appropriate criteria, use objective criteria to grade the response, and complete a quantitative summary. Autoimmune injuries involve antibody-mediated cytotoxicity or direct cellular toxicity. http://dev.webshop.jv.nl/stmap_aa7792.html?ophthacare.norimin.celecoxib Most gene therapy techniques for inherited diseases attempt to replace defective genes with normally functioning ones. It was hypothesized that the heroin was contaminated either at the source in Afghanistan, the supply chain with cutting agents, or through animal hides used for drug transport. The vancomycin agar screening method (Brain-Heart Infusion agar containing 6 mg/L of vancomycin) is an inexpensive and reliable way to detect vancomycin resistance in Enterococci. http://dev.webshop.jv.nl/stmap_aa77226.html?cefuroxime.captopril.atomoxetine Drug allergies appear to develop with equal frequency in atopic and nonatopic individuals. This anabolic peptide acts as a direct stimulator of cell proliferation and growth.(0) 回复 (0)
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The edema fluid in cardiogenic pulmonary edema contains a low amount of protein, whereas noncardiogenic pulmonary edema fluid has a high protein concentration. The SCC22A1 gene encodes for the OCT1 transporter, and several SNPs: Arg61Cys (rs12208357), Gly401Ser (rs341303495), Met420del (rs7255276), and Gly465Arg (rs34059508) have been associated with decreased metformin transport and altered pharmacokinetics with increased plasma levels. Complete recovery usually occurs within 15 days of withdrawal. https://keiindemaatschappij.nl/stmap_dh2z34.html?cardizem.lilly.lamivudine Electrolyte replacement, antibiotic therapy, and nutritional support are essential adjunctive treatment modalities. Surgical excision of the renal tumor remains the primary method of local disease control and is performed in patients with stage I, II, or III disease. Thus, specific gravity is dependent on water intake and urine-concentrating ability. https://keiindemaatschappij.nl/stmap_dh2z28.html?mevacor.tenormin.xatral Many theories have been proposed to explain the human aging process. Each year acetaminophen accounts for approximately 78,000 emergency department visits with 78% related to acts of self-harm. https://keiindemaatschappij.nl/stmap_dh2z216.html?atrovent.bentyl.norfloxacin The CYP2C9*2 allele is rare to absent in Asian population. Metabolically this type of de novo free fatty acid synthesis depletes NADPH in favor of NADP and reduces the hepatocytes' ability to respond to stress, bypassing normal apoptosis, and increasing the rate of necrocytolysis. The rate of bioactivation can vary between males and females and between individuals of the same sex. https://keiindemaatschappij.nl/stmap_dh2z15.html?levora.eldepryl.vibramycin According to the "Fourth Annual Report on Medication Errors in U.S. The role of pretreatment with antihistamines, corticosteroids, and allergen immunotherapy remains to be determined. Data from more recent studies indicate that shrinkage of pituitary tumor mass during octreotide therapy occurs in approximately 50% of patients. https://keiindemaatschappij.nl/stmap_dh2z147.html?levoxyl.ceftin.myambutol PFS was longer (10.2 vs 5.4 months; P=0.0001) and objective response rate was higher (31% vs 13%) when bevacizumab was added to IFN-О±2a. However, simply reducing the vancomycin concentration in the agar from 6 mg/L to 3-4 mg/L results in improved sensitivity and specificity (both greater than 90%) for detecting these VISA strains.(0) 回复 (0)
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Similar methods are used to determine the presence of genetic mutations in the HIV that are associated with increased resistance to one or more of the many antiretroviral medications available for clinical use. This system classifies the varied reactions based on the effector cells involved, the timing and clinical presentation of the immune event. https://bvmweststellingwerf.nl/stmap_syu6128.html?elavil.lanoxin.sinequan Accidental traumas are a leading cause of death among older travelers, in part because of slow reactions, poor coordination, and auditory or visual impairment. The neurologic examination consists of seven main components: higher cortical function (mental status), cranial nerves, motor function, reflexes, cerebellar function, sensory function, and gait. https://bvmweststellingwerf.nl/stmap_syu677.html?acai.riomet.molly Epileptic seizures (50%-80%) may be the presenting symptoms in patients with neurocysticercosis (see Table e115-6). It is based only on observation of the patient. ADEs are preventable if they result from an error. https://bvmweststellingwerf.nl/stmap_syu6190.html?sulfasalazine.fluticasone.voltaren The blister fluid of patients with SJS/TEN has contained concentrations of FasL, perforin and granzyme B that correlated with the severity of the events. Agents such as sulfur mustard and phosgene may take 4 to 6 hours for onset of toxicity. https://bvmweststellingwerf.nl/stmap_syu6210.html?mebeverine.zoloft.levetiracetam Before dispensing medications, it is important to think about general factors that may enhance adherence in older adults. In a retrospective analysis, 14.6% of women had cough compared with 6.0% of the men on ACE inhibitors. https://bvmweststellingwerf.nl/stmap_syu6163.html?alesse.genox.gabapentin Sunitinib was found to be superior to IFN-О±2a, with a median progression-free survival (PFS) of (11 vs 5 months; PО±2a group (PО±2a-treated patients (26 vs 22 months; P=0.05), even though 25 patients in the IFN-О±2a group crossed over to the sunitinib group. In fact, age may be more important than genotype.(0) 回复 (0)
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For sepsis and possible concomitant infection from gut translocation, empiric broad spectrum antibiotics with coverage of gram negative organisms should be initiated. In children 1 month of age and older azithromycin is preferred over erythromycin due to the risk of infantile hypertrophic pyloric stenosis (IHPS) associate with erythromycin. https://fawaka.nu/stmap_6dk555.html?sertraline.granisetron.tindamax At this time, the data are most abundant with pegvisomant. First, the death rates for heart disease and stroke have decreased by 50%. https://fawaka.nu/stmap_6dk5223.html?albendazole.depo-provera.arestin In a recent single-center retrospective study of 64 patients, cyclosporine (3-5 mg/kg/day for 7 days) was associated with a greater mortality benefit as compared to IVIG (total of 1 g/kg for 3 days). There are both known and unknown risks associated with the therapeutic use of prescription and nonprescription drugs and drug administration devices. An example of this approach can be obtained by continuing the theophylline patient case from the section on drug dosing in liver disease (see Selection of Initial Drug Doses above). https://fawaka.nu/stmap_6dk539.html?minocin.diprosone.fast However, intestinal dysfunction (manifested as increased transit time) and radiologic changes (irregular thickening of the folds in the upper small intestine) may take a few months to resolve. The protozoan cysts are moderately tolerant to chlorinated water and release trophozoites in low gastric pH. Unless more effective strategies for preventing and treating Alzheimer's disease (AD) are discovered, the United States is facing a huge public health crisis. https://fawaka.nu/stmap_6dk5215.html?lasuna.deprenyl.zicam Acute disease is commonly associated with diarrhea lasting 14 days or less in duration while persistent diarrhea lasts more than 14 days. Extra-articular involvement, including rheumatoid nodules, vasculitis, eye inflammation, neurologic dysfunction, cardiopulmonary disease, lymphadenopathy, and splenomegaly, can be manifestations of the disease. https://fawaka.nu/stmap_6dk5220.html?irbesartan.metronidazole.acticin The linear model can be derived from the Emax model. UV radiation is associated with accelerated skin aging and skin cancers (eg, malignant melanoma and basal cell carcinoma).(0) 回复 (0)
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Beta-blockers can be used to reverse most adverse effects if they persist. The patient lives in a group home where a staff member administers the medication twice a day. SPECT scans measure radiotracer uptake by tissues to assess cerebral blood flow. https://deskule.nl/stmap_yi8v142.html?sitagliptin.depakote.nabumetone Classified under CAM are a broad range of practices that are grouped under four categories: biologically based practices, energy medicine, manipulative and body-based practices, and mind-body medicine. Hypersensitivity or allergy-like reactions have been observed with paclitaxel and docetaxel in as many as 34% of patients. Timed-kill curve tests are not performed routinely in the clinical laboratory but can provide important additional data on the effects of an antimicrobial on bacteria. https://deskule.nl/stmap_yi8v109.html?reactine.diphenhydramine.adapalen Although an ME in one patient may not cause harm, that same ME in another patient could prove to be fatal. In the United States, the most recent national survey documented CAM use in more than 35% of the population. In addition, repeated ratings are usually necessary to objectively describe longitudinal changes over a defined treatment period as opposed to a snapshot of a complex clinical situation. https://deskule.nl/stmap_yi8v21.html?sulfasalazine.atacand.diprosone Most recently, challenge dosing with 35 mg of tartrazine was not shown to provoke either respiratory or cutaneous reactions in a double-blind, placebo cross-over study of 26 atopic individuals. Nearly 80% of patients had preventable asthma exacerbations. https://deskule.nl/stmap_yi8v168.html?isoptin.trimox.clomiphene Thus it is important to question ambulatory patients regarding their dietary intake for the 24 hours preceding the measurement of Scr or CLcr. In many cases, medication dosing recommendations for acute or chronic illnesses in pregnant women are the same as for the general population. https://deskule.nl/stmap_yi8v157.html?hytrin.buspar.forzest Alterations in glutathione metabolism and proteins involved with regulation of apoptosis, ultimately leading to failure of cells to undergo programmed cell death, are also possible reasons underlying resistance to traditional cytotoxic chemotherapy. Instead, graded challenge is used when the risk of a severe reaction to a drug on reexposure is low, no alternative drug is equally effective, and a reliable skin testing method is not available.(0) 回复 (0)
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